| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: gtk/dcclient.cpp |
| 3 | // Purpose: |
| 4 | // Author: Robert Roebling |
| 5 | // RCS-ID: $Id$ |
| 6 | // Copyright: (c) 1998 Robert Roebling, Chris Breeze |
| 7 | // Licence: wxWindows licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 11 | #pragma implementation "dcclient.h" |
| 12 | #endif |
| 13 | |
| 14 | // For compilers that support precompilation, includes "wx.h". |
| 15 | #include "wx/wxprec.h" |
| 16 | |
| 17 | #ifdef __VMS |
| 18 | #define XCopyPlane XCOPYPLANE |
| 19 | #endif |
| 20 | |
| 21 | #include "wx/dcclient.h" |
| 22 | #include "wx/dcmemory.h" |
| 23 | #include "wx/image.h" |
| 24 | #include "wx/module.h" |
| 25 | #include "wx/log.h" |
| 26 | #include "wx/fontutil.h" |
| 27 | |
| 28 | #include "wx/gtk/win_gtk.h" |
| 29 | |
| 30 | #include <math.h> // for floating-point functions |
| 31 | |
| 32 | #include <gdk/gdk.h> |
| 33 | #include <gdk/gdkx.h> |
| 34 | #include <gdk/gdkprivate.h> |
| 35 | #include <gtk/gtk.h> |
| 36 | |
| 37 | //----------------------------------------------------------------------------- |
| 38 | // local defines |
| 39 | //----------------------------------------------------------------------------- |
| 40 | |
| 41 | #define USE_PAINT_REGION 1 |
| 42 | |
| 43 | //----------------------------------------------------------------------------- |
| 44 | // local data |
| 45 | //----------------------------------------------------------------------------- |
| 46 | |
| 47 | #include "bdiag.xbm" |
| 48 | #include "fdiag.xbm" |
| 49 | #include "cdiag.xbm" |
| 50 | #include "horiz.xbm" |
| 51 | #include "verti.xbm" |
| 52 | #include "cross.xbm" |
| 53 | #define num_hatches 6 |
| 54 | |
| 55 | #define IS_15_PIX_HATCH(s) ((s)==wxCROSSDIAG_HATCH || (s)==wxHORIZONTAL_HATCH || (s)==wxVERTICAL_HATCH) |
| 56 | #define IS_16_PIX_HATCH(s) ((s)!=wxCROSSDIAG_HATCH && (s)!=wxHORIZONTAL_HATCH && (s)!=wxVERTICAL_HATCH) |
| 57 | |
| 58 | |
| 59 | static GdkPixmap *hatches[num_hatches]; |
| 60 | static GdkPixmap **hatch_bitmap = (GdkPixmap **) NULL; |
| 61 | |
| 62 | extern GtkWidget *wxGetRootWindow(); |
| 63 | |
| 64 | //----------------------------------------------------------------------------- |
| 65 | // constants |
| 66 | //----------------------------------------------------------------------------- |
| 67 | |
| 68 | const double RAD2DEG = 180.0 / M_PI; |
| 69 | |
| 70 | // ---------------------------------------------------------------------------- |
| 71 | // private functions |
| 72 | // ---------------------------------------------------------------------------- |
| 73 | |
| 74 | static inline double dmax(double a, double b) { return a > b ? a : b; } |
| 75 | static inline double dmin(double a, double b) { return a < b ? a : b; } |
| 76 | |
| 77 | static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; } |
| 78 | |
| 79 | //----------------------------------------------------------------------------- |
| 80 | // temporary implementation of the missing GDK function |
| 81 | //----------------------------------------------------------------------------- |
| 82 | |
| 83 | #include "gdk/gdkprivate.h" |
| 84 | |
| 85 | void gdk_wx_draw_bitmap(GdkDrawable *drawable, |
| 86 | GdkGC *gc, |
| 87 | GdkDrawable *src, |
| 88 | gint xsrc, |
| 89 | gint ysrc, |
| 90 | gint xdest, |
| 91 | gint ydest, |
| 92 | gint width, |
| 93 | gint height) |
| 94 | { |
| 95 | g_return_if_fail (drawable != NULL); |
| 96 | g_return_if_fail (src != NULL); |
| 97 | g_return_if_fail (gc != NULL); |
| 98 | |
| 99 | #ifdef __WXGTK20__ |
| 100 | gint src_width, src_height; |
| 101 | gdk_drawable_get_size(src, &src_width, &src_height); |
| 102 | if (width == -1) width = src_width; |
| 103 | if (height == -1) height = src_height; |
| 104 | |
| 105 | XCopyPlane( GDK_WINDOW_XDISPLAY(drawable), |
| 106 | GDK_WINDOW_XID(src), |
| 107 | GDK_WINDOW_XID(drawable), |
| 108 | GDK_GC_XGC(gc), |
| 109 | xsrc, ysrc, |
| 110 | width, height, |
| 111 | 0, 0, |
| 112 | 1 ); |
| 113 | #else |
| 114 | GdkWindowPrivate *drawable_private; |
| 115 | GdkWindowPrivate *src_private; |
| 116 | GdkGCPrivate *gc_private; |
| 117 | |
| 118 | drawable_private = (GdkWindowPrivate*) drawable; |
| 119 | src_private = (GdkWindowPrivate*) src; |
| 120 | if (drawable_private->destroyed || src_private->destroyed) |
| 121 | return; |
| 122 | |
| 123 | gint src_width = src_private->width; |
| 124 | gint src_height = src_private->height; |
| 125 | |
| 126 | gc_private = (GdkGCPrivate*) gc; |
| 127 | |
| 128 | if (width == -1) width = src_width; |
| 129 | if (height == -1) height = src_height; |
| 130 | |
| 131 | XCopyPlane( drawable_private->xdisplay, |
| 132 | src_private->xwindow, |
| 133 | drawable_private->xwindow, |
| 134 | gc_private->xgc, |
| 135 | xsrc, ysrc, |
| 136 | width, height, |
| 137 | xdest, ydest, |
| 138 | 1 ); |
| 139 | #endif |
| 140 | } |
| 141 | |
| 142 | //----------------------------------------------------------------------------- |
| 143 | // Implement Pool of Graphic contexts. Creating them takes too much time. |
| 144 | //----------------------------------------------------------------------------- |
| 145 | |
| 146 | #define GC_POOL_SIZE 200 |
| 147 | |
| 148 | enum wxPoolGCType |
| 149 | { |
| 150 | wxGC_ERROR = 0, |
| 151 | wxTEXT_MONO, |
| 152 | wxBG_MONO, |
| 153 | wxPEN_MONO, |
| 154 | wxBRUSH_MONO, |
| 155 | wxTEXT_COLOUR, |
| 156 | wxBG_COLOUR, |
| 157 | wxPEN_COLOUR, |
| 158 | wxBRUSH_COLOUR, |
| 159 | wxTEXT_SCREEN, |
| 160 | wxBG_SCREEN, |
| 161 | wxPEN_SCREEN, |
| 162 | wxBRUSH_SCREEN |
| 163 | }; |
| 164 | |
| 165 | struct wxGC |
| 166 | { |
| 167 | GdkGC *m_gc; |
| 168 | wxPoolGCType m_type; |
| 169 | bool m_used; |
| 170 | }; |
| 171 | |
| 172 | #define GC_POOL_ALLOC_SIZE 100 |
| 173 | |
| 174 | static int wxGCPoolSize = 0; |
| 175 | |
| 176 | static wxGC *wxGCPool = NULL; |
| 177 | |
| 178 | static void wxInitGCPool() |
| 179 | { |
| 180 | // This really could wait until the first call to |
| 181 | // wxGetPoolGC, but we will make the first allocation |
| 182 | // now when other initialization is being performed. |
| 183 | |
| 184 | // Set initial pool size. |
| 185 | wxGCPoolSize = GC_POOL_ALLOC_SIZE; |
| 186 | |
| 187 | // Allocate initial pool. |
| 188 | wxGCPool = (wxGC *)malloc(wxGCPoolSize * sizeof(wxGC)); |
| 189 | if (wxGCPool == NULL) |
| 190 | { |
| 191 | // If we cannot malloc, then fail with error |
| 192 | // when debug is enabled. If debug is not enabled, |
| 193 | // the problem will eventually get caught |
| 194 | // in wxGetPoolGC. |
| 195 | wxFAIL_MSG( wxT("Cannot allocate GC pool") ); |
| 196 | return; |
| 197 | } |
| 198 | |
| 199 | // Zero initial pool. |
| 200 | memset(wxGCPool, 0, wxGCPoolSize * sizeof(wxGC)); |
| 201 | } |
| 202 | |
| 203 | static void wxCleanUpGCPool() |
| 204 | { |
| 205 | for (int i = 0; i < wxGCPoolSize; i++) |
| 206 | { |
| 207 | if (wxGCPool[i].m_gc) |
| 208 | gdk_gc_unref( wxGCPool[i].m_gc ); |
| 209 | } |
| 210 | |
| 211 | free(wxGCPool); |
| 212 | wxGCPool = NULL; |
| 213 | wxGCPoolSize = 0; |
| 214 | } |
| 215 | |
| 216 | static GdkGC* wxGetPoolGC( GdkWindow *window, wxPoolGCType type ) |
| 217 | { |
| 218 | wxGC *pptr; |
| 219 | |
| 220 | // Look for an available GC. |
| 221 | for (int i = 0; i < wxGCPoolSize; i++) |
| 222 | { |
| 223 | if (!wxGCPool[i].m_gc) |
| 224 | { |
| 225 | wxGCPool[i].m_gc = gdk_gc_new( window ); |
| 226 | gdk_gc_set_exposures( wxGCPool[i].m_gc, FALSE ); |
| 227 | wxGCPool[i].m_type = type; |
| 228 | wxGCPool[i].m_used = FALSE; |
| 229 | } |
| 230 | if ((!wxGCPool[i].m_used) && (wxGCPool[i].m_type == type)) |
| 231 | { |
| 232 | wxGCPool[i].m_used = TRUE; |
| 233 | return wxGCPool[i].m_gc; |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | // We did not find an available GC. |
| 238 | // We need to grow the GC pool. |
| 239 | pptr = (wxGC *)realloc(wxGCPool, |
| 240 | (wxGCPoolSize + GC_POOL_ALLOC_SIZE)*sizeof(wxGC)); |
| 241 | if (pptr != NULL) |
| 242 | { |
| 243 | // Initialize newly allocated pool. |
| 244 | wxGCPool = pptr; |
| 245 | memset(&wxGCPool[wxGCPoolSize], 0, |
| 246 | GC_POOL_ALLOC_SIZE*sizeof(wxGC)); |
| 247 | |
| 248 | // Initialize entry we will return. |
| 249 | wxGCPool[wxGCPoolSize].m_gc = gdk_gc_new( window ); |
| 250 | gdk_gc_set_exposures( wxGCPool[wxGCPoolSize].m_gc, FALSE ); |
| 251 | wxGCPool[wxGCPoolSize].m_type = type; |
| 252 | wxGCPool[wxGCPoolSize].m_used = TRUE; |
| 253 | |
| 254 | // Set new value of pool size. |
| 255 | wxGCPoolSize += GC_POOL_ALLOC_SIZE; |
| 256 | |
| 257 | // Return newly allocated entry. |
| 258 | return wxGCPool[wxGCPoolSize-GC_POOL_ALLOC_SIZE].m_gc; |
| 259 | } |
| 260 | |
| 261 | // The realloc failed. Fall through to error. |
| 262 | wxFAIL_MSG( wxT("No GC available") ); |
| 263 | |
| 264 | return (GdkGC*) NULL; |
| 265 | } |
| 266 | |
| 267 | static void wxFreePoolGC( GdkGC *gc ) |
| 268 | { |
| 269 | for (int i = 0; i < wxGCPoolSize; i++) |
| 270 | { |
| 271 | if (wxGCPool[i].m_gc == gc) |
| 272 | { |
| 273 | wxGCPool[i].m_used = FALSE; |
| 274 | return; |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | wxFAIL_MSG( wxT("Wrong GC") ); |
| 279 | } |
| 280 | |
| 281 | //----------------------------------------------------------------------------- |
| 282 | // wxWindowDC |
| 283 | //----------------------------------------------------------------------------- |
| 284 | |
| 285 | IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC) |
| 286 | |
| 287 | wxWindowDC::wxWindowDC() |
| 288 | { |
| 289 | m_penGC = (GdkGC *) NULL; |
| 290 | m_brushGC = (GdkGC *) NULL; |
| 291 | m_textGC = (GdkGC *) NULL; |
| 292 | m_bgGC = (GdkGC *) NULL; |
| 293 | m_cmap = (GdkColormap *) NULL; |
| 294 | m_isMemDC = FALSE; |
| 295 | m_isScreenDC = FALSE; |
| 296 | m_owner = (wxWindow *)NULL; |
| 297 | #ifdef __WXGTK20__ |
| 298 | m_context = (PangoContext *)NULL; |
| 299 | m_layout = (PangoLayout *)NULL; |
| 300 | m_fontdesc = (PangoFontDescription *)NULL; |
| 301 | #endif |
| 302 | } |
| 303 | |
| 304 | wxWindowDC::wxWindowDC( wxWindow *window ) |
| 305 | { |
| 306 | wxASSERT_MSG( window, wxT("DC needs a window") ); |
| 307 | |
| 308 | m_penGC = (GdkGC *) NULL; |
| 309 | m_brushGC = (GdkGC *) NULL; |
| 310 | m_textGC = (GdkGC *) NULL; |
| 311 | m_bgGC = (GdkGC *) NULL; |
| 312 | m_cmap = (GdkColormap *) NULL; |
| 313 | m_owner = (wxWindow *)NULL; |
| 314 | m_isMemDC = FALSE; |
| 315 | m_isScreenDC = FALSE; |
| 316 | m_font = window->GetFont(); |
| 317 | |
| 318 | GtkWidget *widget = window->m_wxwindow; |
| 319 | |
| 320 | // Some controls don't have m_wxwindow - like wxStaticBox, but the user |
| 321 | // code should still be able to create wxClientDCs for them, so we will |
| 322 | // use the parent window here then. |
| 323 | if ( !widget ) |
| 324 | { |
| 325 | window = window->GetParent(); |
| 326 | widget = window->m_wxwindow; |
| 327 | } |
| 328 | |
| 329 | wxASSERT_MSG( widget, wxT("DC needs a widget") ); |
| 330 | |
| 331 | #ifdef __WXGTK20__ |
| 332 | m_context = window->GtkGetPangoDefaultContext(); |
| 333 | m_layout = pango_layout_new( m_context ); |
| 334 | m_fontdesc = pango_font_description_copy( widget->style->font_desc ); |
| 335 | #endif |
| 336 | |
| 337 | GtkPizza *pizza = GTK_PIZZA( widget ); |
| 338 | m_window = pizza->bin_window; |
| 339 | |
| 340 | // Window not realized ? |
| 341 | if (!m_window) |
| 342 | { |
| 343 | // Don't report problems as per MSW. |
| 344 | m_ok = TRUE; |
| 345 | |
| 346 | return; |
| 347 | } |
| 348 | |
| 349 | m_cmap = gtk_widget_get_colormap( widget ? widget : window->m_widget ); |
| 350 | |
| 351 | SetUpDC(); |
| 352 | |
| 353 | /* this must be done after SetUpDC, bacause SetUpDC calls the |
| 354 | repective SetBrush, SetPen, SetBackground etc functions |
| 355 | to set up the DC. SetBackground call m_owner->SetBackground |
| 356 | and this might not be desired as the standard dc background |
| 357 | is white whereas a window might assume gray to be the |
| 358 | standard (as e.g. wxStatusBar) */ |
| 359 | |
| 360 | m_owner = window; |
| 361 | } |
| 362 | |
| 363 | wxWindowDC::~wxWindowDC() |
| 364 | { |
| 365 | Destroy(); |
| 366 | |
| 367 | #ifdef __WXGTK20__ |
| 368 | if (m_layout) |
| 369 | g_object_unref( G_OBJECT( m_layout ) ); |
| 370 | if (m_fontdesc) |
| 371 | pango_font_description_free( m_fontdesc ); |
| 372 | #endif |
| 373 | } |
| 374 | |
| 375 | void wxWindowDC::SetUpDC() |
| 376 | { |
| 377 | m_ok = TRUE; |
| 378 | |
| 379 | wxASSERT_MSG( !m_penGC, wxT("GCs already created") ); |
| 380 | |
| 381 | if (m_isScreenDC) |
| 382 | { |
| 383 | m_penGC = wxGetPoolGC( m_window, wxPEN_SCREEN ); |
| 384 | m_brushGC = wxGetPoolGC( m_window, wxBRUSH_SCREEN ); |
| 385 | m_textGC = wxGetPoolGC( m_window, wxTEXT_SCREEN ); |
| 386 | m_bgGC = wxGetPoolGC( m_window, wxBG_SCREEN ); |
| 387 | } |
| 388 | else |
| 389 | if (m_isMemDC && (((wxMemoryDC*)this)->m_selected.GetDepth() == 1)) |
| 390 | { |
| 391 | m_penGC = wxGetPoolGC( m_window, wxPEN_MONO ); |
| 392 | m_brushGC = wxGetPoolGC( m_window, wxBRUSH_MONO ); |
| 393 | m_textGC = wxGetPoolGC( m_window, wxTEXT_MONO ); |
| 394 | m_bgGC = wxGetPoolGC( m_window, wxBG_MONO ); |
| 395 | } |
| 396 | else |
| 397 | { |
| 398 | m_penGC = wxGetPoolGC( m_window, wxPEN_COLOUR ); |
| 399 | m_brushGC = wxGetPoolGC( m_window, wxBRUSH_COLOUR ); |
| 400 | m_textGC = wxGetPoolGC( m_window, wxTEXT_COLOUR ); |
| 401 | m_bgGC = wxGetPoolGC( m_window, wxBG_COLOUR ); |
| 402 | } |
| 403 | |
| 404 | /* background colour */ |
| 405 | m_backgroundBrush = *wxWHITE_BRUSH; |
| 406 | m_backgroundBrush.GetColour().CalcPixel( m_cmap ); |
| 407 | GdkColor *bg_col = m_backgroundBrush.GetColour().GetColor(); |
| 408 | |
| 409 | /* m_textGC */ |
| 410 | m_textForegroundColour.CalcPixel( m_cmap ); |
| 411 | gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() ); |
| 412 | |
| 413 | m_textBackgroundColour.CalcPixel( m_cmap ); |
| 414 | gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() ); |
| 415 | |
| 416 | gdk_gc_set_fill( m_textGC, GDK_SOLID ); |
| 417 | |
| 418 | /* m_penGC */ |
| 419 | m_pen.GetColour().CalcPixel( m_cmap ); |
| 420 | gdk_gc_set_foreground( m_penGC, m_pen.GetColour().GetColor() ); |
| 421 | gdk_gc_set_background( m_penGC, bg_col ); |
| 422 | |
| 423 | gdk_gc_set_line_attributes( m_penGC, 0, GDK_LINE_SOLID, GDK_CAP_NOT_LAST, GDK_JOIN_ROUND ); |
| 424 | |
| 425 | /* m_brushGC */ |
| 426 | m_brush.GetColour().CalcPixel( m_cmap ); |
| 427 | gdk_gc_set_foreground( m_brushGC, m_brush.GetColour().GetColor() ); |
| 428 | gdk_gc_set_background( m_brushGC, bg_col ); |
| 429 | |
| 430 | gdk_gc_set_fill( m_brushGC, GDK_SOLID ); |
| 431 | |
| 432 | /* m_bgGC */ |
| 433 | gdk_gc_set_background( m_bgGC, bg_col ); |
| 434 | gdk_gc_set_foreground( m_bgGC, bg_col ); |
| 435 | |
| 436 | gdk_gc_set_fill( m_bgGC, GDK_SOLID ); |
| 437 | |
| 438 | /* ROPs */ |
| 439 | gdk_gc_set_function( m_textGC, GDK_COPY ); |
| 440 | gdk_gc_set_function( m_brushGC, GDK_COPY ); |
| 441 | gdk_gc_set_function( m_penGC, GDK_COPY ); |
| 442 | |
| 443 | /* clipping */ |
| 444 | gdk_gc_set_clip_rectangle( m_penGC, (GdkRectangle *) NULL ); |
| 445 | gdk_gc_set_clip_rectangle( m_brushGC, (GdkRectangle *) NULL ); |
| 446 | gdk_gc_set_clip_rectangle( m_textGC, (GdkRectangle *) NULL ); |
| 447 | gdk_gc_set_clip_rectangle( m_bgGC, (GdkRectangle *) NULL ); |
| 448 | |
| 449 | if (!hatch_bitmap) |
| 450 | { |
| 451 | hatch_bitmap = hatches; |
| 452 | hatch_bitmap[0] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, bdiag_bits, bdiag_width, bdiag_height ); |
| 453 | hatch_bitmap[1] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, cdiag_bits, cdiag_width, cdiag_height ); |
| 454 | hatch_bitmap[2] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, fdiag_bits, fdiag_width, fdiag_height ); |
| 455 | hatch_bitmap[3] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, cross_bits, cross_width, cross_height ); |
| 456 | hatch_bitmap[4] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, horiz_bits, horiz_width, horiz_height ); |
| 457 | hatch_bitmap[5] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, verti_bits, verti_width, verti_height ); |
| 458 | } |
| 459 | } |
| 460 | |
| 461 | void wxWindowDC::DoGetSize( int* width, int* height ) const |
| 462 | { |
| 463 | wxCHECK_RET( m_owner, _T("GetSize() doesn't work without window") ); |
| 464 | |
| 465 | m_owner->GetSize(width, height); |
| 466 | } |
| 467 | |
| 468 | extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, |
| 469 | const wxColour & col, int style); |
| 470 | |
| 471 | bool wxWindowDC::DoFloodFill(wxCoord x, wxCoord y, |
| 472 | const wxColour& col, int style) |
| 473 | { |
| 474 | return wxDoFloodFill(this, x, y, col, style); |
| 475 | } |
| 476 | |
| 477 | bool wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const |
| 478 | { |
| 479 | // Generic (and therefore rather inefficient) method. |
| 480 | // Could be improved. |
| 481 | wxMemoryDC memdc; |
| 482 | wxBitmap bitmap(1, 1); |
| 483 | memdc.SelectObject(bitmap); |
| 484 | memdc.Blit(0, 0, 1, 1, (wxDC*) this, x1, y1); |
| 485 | memdc.SelectObject(wxNullBitmap); |
| 486 | |
| 487 | wxImage image = bitmap.ConvertToImage(); |
| 488 | col->Set(image.GetRed(0, 0), image.GetGreen(0, 0), image.GetBlue(0, 0)); |
| 489 | return TRUE; |
| 490 | } |
| 491 | |
| 492 | void wxWindowDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 ) |
| 493 | { |
| 494 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 495 | |
| 496 | if (m_pen.GetStyle() != wxTRANSPARENT) |
| 497 | { |
| 498 | if (m_window) |
| 499 | gdk_draw_line( m_window, m_penGC, XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) ); |
| 500 | |
| 501 | CalcBoundingBox(x1, y1); |
| 502 | CalcBoundingBox(x2, y2); |
| 503 | } |
| 504 | } |
| 505 | |
| 506 | void wxWindowDC::DoCrossHair( wxCoord x, wxCoord y ) |
| 507 | { |
| 508 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 509 | |
| 510 | if (m_pen.GetStyle() != wxTRANSPARENT) |
| 511 | { |
| 512 | int w = 0; |
| 513 | int h = 0; |
| 514 | GetSize( &w, &h ); |
| 515 | wxCoord xx = XLOG2DEV(x); |
| 516 | wxCoord yy = YLOG2DEV(y); |
| 517 | if (m_window) |
| 518 | { |
| 519 | gdk_draw_line( m_window, m_penGC, 0, yy, XLOG2DEVREL(w), yy ); |
| 520 | gdk_draw_line( m_window, m_penGC, xx, 0, xx, YLOG2DEVREL(h) ); |
| 521 | } |
| 522 | } |
| 523 | } |
| 524 | |
| 525 | void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, |
| 526 | wxCoord xc, wxCoord yc ) |
| 527 | { |
| 528 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 529 | |
| 530 | wxCoord xx1 = XLOG2DEV(x1); |
| 531 | wxCoord yy1 = YLOG2DEV(y1); |
| 532 | wxCoord xx2 = XLOG2DEV(x2); |
| 533 | wxCoord yy2 = YLOG2DEV(y2); |
| 534 | wxCoord xxc = XLOG2DEV(xc); |
| 535 | wxCoord yyc = YLOG2DEV(yc); |
| 536 | double dx = xx1 - xxc; |
| 537 | double dy = yy1 - yyc; |
| 538 | double radius = sqrt((double)(dx*dx+dy*dy)); |
| 539 | wxCoord r = (wxCoord)radius; |
| 540 | double radius1, radius2; |
| 541 | |
| 542 | if (xx1 == xx2 && yy1 == yy2) |
| 543 | { |
| 544 | radius1 = 0.0; |
| 545 | radius2 = 360.0; |
| 546 | } |
| 547 | else |
| 548 | if (radius == 0.0) |
| 549 | { |
| 550 | radius1 = radius2 = 0.0; |
| 551 | } |
| 552 | else |
| 553 | { |
| 554 | radius1 = (xx1 - xxc == 0) ? |
| 555 | (yy1 - yyc < 0) ? 90.0 : -90.0 : |
| 556 | -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG; |
| 557 | radius2 = (xx2 - xxc == 0) ? |
| 558 | (yy2 - yyc < 0) ? 90.0 : -90.0 : |
| 559 | -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG; |
| 560 | } |
| 561 | wxCoord alpha1 = wxCoord(radius1 * 64.0); |
| 562 | wxCoord alpha2 = wxCoord((radius2 - radius1) * 64.0); |
| 563 | while (alpha2 <= 0) alpha2 += 360*64; |
| 564 | while (alpha1 > 360*64) alpha1 -= 360*64; |
| 565 | |
| 566 | if (m_window) |
| 567 | { |
| 568 | if (m_brush.GetStyle() != wxTRANSPARENT) |
| 569 | { |
| 570 | if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask())) |
| 571 | { |
| 572 | gdk_gc_set_ts_origin( m_textGC, |
| 573 | m_deviceOriginX % m_brush.GetStipple()->GetWidth(), |
| 574 | m_deviceOriginY % m_brush.GetStipple()->GetHeight() ); |
| 575 | gdk_draw_arc( m_window, m_textGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 ); |
| 576 | gdk_gc_set_ts_origin( m_textGC, 0, 0 ); |
| 577 | } else |
| 578 | if (IS_15_PIX_HATCH(m_brush.GetStyle())) |
| 579 | { |
| 580 | gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 ); |
| 581 | gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 ); |
| 582 | gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); |
| 583 | } else |
| 584 | if (IS_16_PIX_HATCH(m_brush.GetStyle())) |
| 585 | { |
| 586 | gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 ); |
| 587 | gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 ); |
| 588 | gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); |
| 589 | } else |
| 590 | if (m_brush.GetStyle() == wxSTIPPLE) |
| 591 | { |
| 592 | gdk_gc_set_ts_origin( m_brushGC, |
| 593 | m_deviceOriginX % m_brush.GetStipple()->GetWidth(), |
| 594 | m_deviceOriginY % m_brush.GetStipple()->GetHeight() ); |
| 595 | gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 ); |
| 596 | gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); |
| 597 | } |
| 598 | else |
| 599 | { |
| 600 | gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 ); |
| 601 | } |
| 602 | } |
| 603 | |
| 604 | if (m_pen.GetStyle() != wxTRANSPARENT) |
| 605 | { |
| 606 | gdk_draw_arc( m_window, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 ); |
| 607 | |
| 608 | gdk_draw_line( m_window, m_penGC, xx1, yy1, xxc, yyc ); |
| 609 | gdk_draw_line( m_window, m_penGC, xxc, yyc, xx2, yy2 ); |
| 610 | } |
| 611 | } |
| 612 | |
| 613 | CalcBoundingBox (x1, y1); |
| 614 | CalcBoundingBox (x2, y2); |
| 615 | } |
| 616 | |
| 617 | void wxWindowDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double sa, double ea ) |
| 618 | { |
| 619 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 620 | |
| 621 | wxCoord xx = XLOG2DEV(x); |
| 622 | wxCoord yy = YLOG2DEV(y); |
| 623 | wxCoord ww = m_signX * XLOG2DEVREL(width); |
| 624 | wxCoord hh = m_signY * YLOG2DEVREL(height); |
| 625 | |
| 626 | // CMB: handle -ve width and/or height |
| 627 | if (ww < 0) { ww = -ww; xx = xx - ww; } |
| 628 | if (hh < 0) { hh = -hh; yy = yy - hh; } |
| 629 | |
| 630 | if (m_window) |
| 631 | { |
| 632 | wxCoord start = wxCoord(sa * 64.0); |
| 633 | wxCoord end = wxCoord((ea-sa) * 64.0); |
| 634 | |
| 635 | if (m_brush.GetStyle() != wxTRANSPARENT) |
| 636 | { |
| 637 | if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask())) |
| 638 | { |
| 639 | gdk_gc_set_ts_origin( m_textGC, |
| 640 | m_deviceOriginX % m_brush.GetStipple()->GetWidth(), |
| 641 | m_deviceOriginY % m_brush.GetStipple()->GetHeight() ); |
| 642 | gdk_draw_arc( m_window, m_textGC, TRUE, xx, yy, ww, hh, start, end ); |
| 643 | gdk_gc_set_ts_origin( m_textGC, 0, 0 ); |
| 644 | } else |
| 645 | if (IS_15_PIX_HATCH(m_brush.GetStyle())) |
| 646 | { |
| 647 | gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 ); |
| 648 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end ); |
| 649 | gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); |
| 650 | } else |
| 651 | if (IS_16_PIX_HATCH(m_brush.GetStyle())) |
| 652 | { |
| 653 | gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 ); |
| 654 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end ); |
| 655 | gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); |
| 656 | } else |
| 657 | if (m_brush.GetStyle() == wxSTIPPLE) |
| 658 | { |
| 659 | gdk_gc_set_ts_origin( m_brushGC, |
| 660 | m_deviceOriginX % m_brush.GetStipple()->GetWidth(), |
| 661 | m_deviceOriginY % m_brush.GetStipple()->GetHeight() ); |
| 662 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end ); |
| 663 | gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); |
| 664 | } |
| 665 | else |
| 666 | { |
| 667 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end ); |
| 668 | } |
| 669 | } |
| 670 | |
| 671 | if (m_pen.GetStyle() != wxTRANSPARENT) |
| 672 | gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, start, end ); |
| 673 | } |
| 674 | |
| 675 | CalcBoundingBox (x, y); |
| 676 | CalcBoundingBox (x + width, y + height); |
| 677 | } |
| 678 | |
| 679 | void wxWindowDC::DoDrawPoint( wxCoord x, wxCoord y ) |
| 680 | { |
| 681 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 682 | |
| 683 | if ((m_pen.GetStyle() != wxTRANSPARENT) && m_window) |
| 684 | gdk_draw_point( m_window, m_penGC, XLOG2DEV(x), YLOG2DEV(y) ); |
| 685 | |
| 686 | CalcBoundingBox (x, y); |
| 687 | } |
| 688 | |
| 689 | void wxWindowDC::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset ) |
| 690 | { |
| 691 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 692 | |
| 693 | if (m_pen.GetStyle() == wxTRANSPARENT) return; |
| 694 | if (n <= 0) return; |
| 695 | |
| 696 | GdkPoint *gpts = new GdkPoint[n]; |
| 697 | if (! gpts) |
| 698 | { |
| 699 | wxFAIL_MSG( wxT("Cannot allocate PolyLine") ); |
| 700 | return; |
| 701 | } |
| 702 | |
| 703 | for (int i = 0; i < n; i++) |
| 704 | { |
| 705 | wxCoord x1 = XLOG2DEV(points[i].x + xoffset); |
| 706 | wxCoord y1 = YLOG2DEV(points[i].y + yoffset); |
| 707 | |
| 708 | CalcBoundingBox( x1 + xoffset, y1 + yoffset ); |
| 709 | |
| 710 | gpts[i].x = x1; |
| 711 | gpts[i].y = y1; |
| 712 | } |
| 713 | |
| 714 | if (m_window) |
| 715 | gdk_draw_lines( m_window, m_penGC, gpts, n); |
| 716 | |
| 717 | delete[] gpts; |
| 718 | } |
| 719 | |
| 720 | void wxWindowDC::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int WXUNUSED(fillStyle) ) |
| 721 | { |
| 722 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 723 | |
| 724 | if (n <= 0) return; |
| 725 | |
| 726 | GdkPoint *gdkpoints = new GdkPoint[n+1]; |
| 727 | int i; |
| 728 | for (i = 0 ; i < n ; i++) |
| 729 | { |
| 730 | gdkpoints[i].x = XLOG2DEV(points[i].x + xoffset); |
| 731 | gdkpoints[i].y = YLOG2DEV(points[i].y + yoffset); |
| 732 | |
| 733 | CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset ); |
| 734 | } |
| 735 | |
| 736 | if (m_window) |
| 737 | { |
| 738 | if (m_brush.GetStyle() != wxTRANSPARENT) |
| 739 | { |
| 740 | if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask())) |
| 741 | { |
| 742 | gdk_gc_set_ts_origin( m_textGC, |
| 743 | m_deviceOriginX % m_brush.GetStipple()->GetWidth(), |
| 744 | m_deviceOriginY % m_brush.GetStipple()->GetHeight() ); |
| 745 | gdk_draw_polygon( m_window, m_textGC, TRUE, gdkpoints, n ); |
| 746 | gdk_gc_set_ts_origin( m_textGC, 0, 0 ); |
| 747 | } else |
| 748 | if (IS_15_PIX_HATCH(m_brush.GetStyle())) |
| 749 | { |
| 750 | gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 ); |
| 751 | gdk_draw_polygon( m_window, m_brushGC, TRUE, gdkpoints, n ); |
| 752 | gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); |
| 753 | } else |
| 754 | if (IS_16_PIX_HATCH(m_brush.GetStyle())) |
| 755 | { |
| 756 | gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 ); |
| 757 | gdk_draw_polygon( m_window, m_brushGC, TRUE, gdkpoints, n ); |
| 758 | gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); |
| 759 | } else |
| 760 | if (m_brush.GetStyle() == wxSTIPPLE) |
| 761 | { |
| 762 | gdk_gc_set_ts_origin( m_brushGC, |
| 763 | m_deviceOriginX % m_brush.GetStipple()->GetWidth(), |
| 764 | m_deviceOriginY % m_brush.GetStipple()->GetHeight() ); |
| 765 | gdk_draw_polygon( m_window, m_brushGC, TRUE, gdkpoints, n ); |
| 766 | gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); |
| 767 | } |
| 768 | else |
| 769 | { |
| 770 | gdk_draw_polygon( m_window, m_brushGC, TRUE, gdkpoints, n ); |
| 771 | } |
| 772 | } |
| 773 | |
| 774 | if (m_pen.GetStyle() != wxTRANSPARENT) |
| 775 | { |
| 776 | /* |
| 777 | for (i = 0 ; i < n ; i++) |
| 778 | { |
| 779 | gdk_draw_line( m_window, m_penGC, |
| 780 | gdkpoints[i%n].x, |
| 781 | gdkpoints[i%n].y, |
| 782 | gdkpoints[(i+1)%n].x, |
| 783 | gdkpoints[(i+1)%n].y); |
| 784 | } |
| 785 | */ |
| 786 | gdk_draw_polygon( m_window, m_penGC, FALSE, gdkpoints, n ); |
| 787 | |
| 788 | } |
| 789 | } |
| 790 | |
| 791 | delete[] gdkpoints; |
| 792 | } |
| 793 | |
| 794 | void wxWindowDC::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) |
| 795 | { |
| 796 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 797 | |
| 798 | wxCoord xx = XLOG2DEV(x); |
| 799 | wxCoord yy = YLOG2DEV(y); |
| 800 | wxCoord ww = m_signX * XLOG2DEVREL(width); |
| 801 | wxCoord hh = m_signY * YLOG2DEVREL(height); |
| 802 | |
| 803 | // CMB: draw nothing if transformed w or h is 0 |
| 804 | if (ww == 0 || hh == 0) return; |
| 805 | |
| 806 | // CMB: handle -ve width and/or height |
| 807 | if (ww < 0) { ww = -ww; xx = xx - ww; } |
| 808 | if (hh < 0) { hh = -hh; yy = yy - hh; } |
| 809 | |
| 810 | if (m_window) |
| 811 | { |
| 812 | if (m_brush.GetStyle() != wxTRANSPARENT) |
| 813 | { |
| 814 | if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask())) |
| 815 | { |
| 816 | gdk_gc_set_ts_origin( m_textGC, |
| 817 | m_deviceOriginX % m_brush.GetStipple()->GetWidth(), |
| 818 | m_deviceOriginY % m_brush.GetStipple()->GetHeight() ); |
| 819 | gdk_draw_rectangle( m_window, m_textGC, TRUE, xx, yy, ww, hh ); |
| 820 | gdk_gc_set_ts_origin( m_textGC, 0, 0 ); |
| 821 | } else |
| 822 | if (IS_15_PIX_HATCH(m_brush.GetStyle())) |
| 823 | { |
| 824 | gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 ); |
| 825 | gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh ); |
| 826 | gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); |
| 827 | } else |
| 828 | if (IS_16_PIX_HATCH(m_brush.GetStyle())) |
| 829 | { |
| 830 | gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 ); |
| 831 | gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh ); |
| 832 | gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); |
| 833 | } else |
| 834 | if (m_brush.GetStyle() == wxSTIPPLE) |
| 835 | { |
| 836 | gdk_gc_set_ts_origin( m_brushGC, |
| 837 | m_deviceOriginX % m_brush.GetStipple()->GetWidth(), |
| 838 | m_deviceOriginY % m_brush.GetStipple()->GetHeight() ); |
| 839 | gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh ); |
| 840 | gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); |
| 841 | } |
| 842 | else |
| 843 | { |
| 844 | gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh ); |
| 845 | } |
| 846 | } |
| 847 | |
| 848 | if (m_pen.GetStyle() != wxTRANSPARENT) |
| 849 | gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-1, hh-1 ); |
| 850 | } |
| 851 | |
| 852 | CalcBoundingBox( x, y ); |
| 853 | CalcBoundingBox( x + width, y + height ); |
| 854 | } |
| 855 | |
| 856 | void wxWindowDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius ) |
| 857 | { |
| 858 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 859 | |
| 860 | if (radius < 0.0) radius = - radius * ((width < height) ? width : height); |
| 861 | |
| 862 | wxCoord xx = XLOG2DEV(x); |
| 863 | wxCoord yy = YLOG2DEV(y); |
| 864 | wxCoord ww = m_signX * XLOG2DEVREL(width); |
| 865 | wxCoord hh = m_signY * YLOG2DEVREL(height); |
| 866 | wxCoord rr = XLOG2DEVREL((wxCoord)radius); |
| 867 | |
| 868 | // CMB: handle -ve width and/or height |
| 869 | if (ww < 0) { ww = -ww; xx = xx - ww; } |
| 870 | if (hh < 0) { hh = -hh; yy = yy - hh; } |
| 871 | |
| 872 | // CMB: if radius is zero use DrawRectangle() instead to avoid |
| 873 | // X drawing errors with small radii |
| 874 | if (rr == 0) |
| 875 | { |
| 876 | DrawRectangle( x, y, width, height ); |
| 877 | return; |
| 878 | } |
| 879 | |
| 880 | // CMB: draw nothing if transformed w or h is 0 |
| 881 | if (ww == 0 || hh == 0) return; |
| 882 | |
| 883 | // CMB: adjust size if outline is drawn otherwise the result is |
| 884 | // 1 pixel too wide and high |
| 885 | if (m_pen.GetStyle() != wxTRANSPARENT) |
| 886 | { |
| 887 | ww--; |
| 888 | hh--; |
| 889 | } |
| 890 | |
| 891 | if (m_window) |
| 892 | { |
| 893 | // CMB: ensure dd is not larger than rectangle otherwise we |
| 894 | // get an hour glass shape |
| 895 | wxCoord dd = 2 * rr; |
| 896 | if (dd > ww) dd = ww; |
| 897 | if (dd > hh) dd = hh; |
| 898 | rr = dd / 2; |
| 899 | |
| 900 | if (m_brush.GetStyle() != wxTRANSPARENT) |
| 901 | { |
| 902 | if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask())) |
| 903 | { |
| 904 | gdk_gc_set_ts_origin( m_textGC, |
| 905 | m_deviceOriginX % m_brush.GetStipple()->GetWidth(), |
| 906 | m_deviceOriginY % m_brush.GetStipple()->GetHeight() ); |
| 907 | gdk_draw_rectangle( m_window, m_textGC, TRUE, xx+rr, yy, ww-dd+1, hh ); |
| 908 | gdk_draw_rectangle( m_window, m_textGC, TRUE, xx, yy+rr, ww, hh-dd+1 ); |
| 909 | gdk_draw_arc( m_window, m_textGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 ); |
| 910 | gdk_draw_arc( m_window, m_textGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 ); |
| 911 | gdk_draw_arc( m_window, m_textGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 ); |
| 912 | gdk_draw_arc( m_window, m_textGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 ); |
| 913 | gdk_gc_set_ts_origin( m_textGC, 0, 0 ); |
| 914 | } else |
| 915 | if (IS_15_PIX_HATCH(m_brush.GetStyle())) |
| 916 | { |
| 917 | gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 ); |
| 918 | gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh ); |
| 919 | gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 ); |
| 920 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 ); |
| 921 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 ); |
| 922 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 ); |
| 923 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 ); |
| 924 | gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); |
| 925 | } else |
| 926 | if (IS_16_PIX_HATCH(m_brush.GetStyle())) |
| 927 | { |
| 928 | gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 ); |
| 929 | gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh ); |
| 930 | gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 ); |
| 931 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 ); |
| 932 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 ); |
| 933 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 ); |
| 934 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 ); |
| 935 | gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); |
| 936 | } else |
| 937 | if (m_brush.GetStyle() == wxSTIPPLE) |
| 938 | { |
| 939 | gdk_gc_set_ts_origin( m_brushGC, |
| 940 | m_deviceOriginX % m_brush.GetStipple()->GetWidth(), |
| 941 | m_deviceOriginY % m_brush.GetStipple()->GetHeight() ); |
| 942 | gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh ); |
| 943 | gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 ); |
| 944 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 ); |
| 945 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 ); |
| 946 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 ); |
| 947 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 ); |
| 948 | gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); |
| 949 | } |
| 950 | else |
| 951 | { |
| 952 | gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh ); |
| 953 | gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 ); |
| 954 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 ); |
| 955 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 ); |
| 956 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 ); |
| 957 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 ); |
| 958 | } |
| 959 | } |
| 960 | |
| 961 | if (m_pen.GetStyle() != wxTRANSPARENT) |
| 962 | { |
| 963 | gdk_draw_line( m_window, m_penGC, xx+rr+1, yy, xx+ww-rr, yy ); |
| 964 | gdk_draw_line( m_window, m_penGC, xx+rr+1, yy+hh, xx+ww-rr, yy+hh ); |
| 965 | gdk_draw_line( m_window, m_penGC, xx, yy+rr+1, xx, yy+hh-rr ); |
| 966 | gdk_draw_line( m_window, m_penGC, xx+ww, yy+rr+1, xx+ww, yy+hh-rr ); |
| 967 | gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, dd, dd, 90*64, 90*64 ); |
| 968 | gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy, dd, dd, 0, 90*64 ); |
| 969 | gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 ); |
| 970 | gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 ); |
| 971 | } |
| 972 | } |
| 973 | |
| 974 | // this ignores the radius |
| 975 | CalcBoundingBox( x, y ); |
| 976 | CalcBoundingBox( x + width, y + height ); |
| 977 | } |
| 978 | |
| 979 | void wxWindowDC::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) |
| 980 | { |
| 981 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 982 | |
| 983 | wxCoord xx = XLOG2DEV(x); |
| 984 | wxCoord yy = YLOG2DEV(y); |
| 985 | wxCoord ww = m_signX * XLOG2DEVREL(width); |
| 986 | wxCoord hh = m_signY * YLOG2DEVREL(height); |
| 987 | |
| 988 | // CMB: handle -ve width and/or height |
| 989 | if (ww < 0) { ww = -ww; xx = xx - ww; } |
| 990 | if (hh < 0) { hh = -hh; yy = yy - hh; } |
| 991 | |
| 992 | if (m_window) |
| 993 | { |
| 994 | if (m_brush.GetStyle() != wxTRANSPARENT) |
| 995 | { |
| 996 | if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask())) |
| 997 | { |
| 998 | gdk_gc_set_ts_origin( m_textGC, |
| 999 | m_deviceOriginX % m_brush.GetStipple()->GetWidth(), |
| 1000 | m_deviceOriginY % m_brush.GetStipple()->GetHeight() ); |
| 1001 | gdk_draw_arc( m_window, m_textGC, TRUE, xx, yy, ww, hh, 0, 360*64 ); |
| 1002 | gdk_gc_set_ts_origin( m_textGC, 0, 0 ); |
| 1003 | } else |
| 1004 | if (IS_15_PIX_HATCH(m_brush.GetStyle())) |
| 1005 | { |
| 1006 | gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 ); |
| 1007 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 ); |
| 1008 | gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); |
| 1009 | } else |
| 1010 | if (IS_16_PIX_HATCH(m_brush.GetStyle())) |
| 1011 | { |
| 1012 | gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 ); |
| 1013 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 ); |
| 1014 | gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); |
| 1015 | } else |
| 1016 | if (m_brush.GetStyle() == wxSTIPPLE) |
| 1017 | { |
| 1018 | gdk_gc_set_ts_origin( m_brushGC, |
| 1019 | m_deviceOriginX % m_brush.GetStipple()->GetWidth(), |
| 1020 | m_deviceOriginY % m_brush.GetStipple()->GetHeight() ); |
| 1021 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 ); |
| 1022 | gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); |
| 1023 | } |
| 1024 | else |
| 1025 | { |
| 1026 | gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 ); |
| 1027 | } |
| 1028 | } |
| 1029 | |
| 1030 | if (m_pen.GetStyle() != wxTRANSPARENT) |
| 1031 | gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, 0, 360*64 ); |
| 1032 | } |
| 1033 | |
| 1034 | CalcBoundingBox( x, y ); |
| 1035 | CalcBoundingBox( x + width, y + height ); |
| 1036 | } |
| 1037 | |
| 1038 | void wxWindowDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y ) |
| 1039 | { |
| 1040 | // VZ: egcs 1.0.3 refuses to compile this without cast, no idea why |
| 1041 | DoDrawBitmap( (const wxBitmap&)icon, x, y, (bool)TRUE ); |
| 1042 | } |
| 1043 | |
| 1044 | void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap, |
| 1045 | wxCoord x, wxCoord y, |
| 1046 | bool useMask ) |
| 1047 | { |
| 1048 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 1049 | |
| 1050 | wxCHECK_RET( bitmap.Ok(), wxT("invalid bitmap") ); |
| 1051 | |
| 1052 | bool is_mono = (bitmap.GetBitmap() != NULL); |
| 1053 | |
| 1054 | // scale/translate size and position |
| 1055 | int xx = XLOG2DEV(x); |
| 1056 | int yy = YLOG2DEV(y); |
| 1057 | |
| 1058 | int w = bitmap.GetWidth(); |
| 1059 | int h = bitmap.GetHeight(); |
| 1060 | |
| 1061 | CalcBoundingBox( x, y ); |
| 1062 | CalcBoundingBox( x + w, y + h ); |
| 1063 | |
| 1064 | if (!m_window) return; |
| 1065 | |
| 1066 | int ww = XLOG2DEVREL(w); |
| 1067 | int hh = YLOG2DEVREL(h); |
| 1068 | |
| 1069 | // compare to current clipping region |
| 1070 | if (!m_currentClippingRegion.IsNull()) |
| 1071 | { |
| 1072 | wxRegion tmp( xx,yy,ww,hh ); |
| 1073 | tmp.Intersect( m_currentClippingRegion ); |
| 1074 | if (tmp.IsEmpty()) |
| 1075 | return; |
| 1076 | } |
| 1077 | |
| 1078 | // scale bitmap if required |
| 1079 | wxBitmap use_bitmap = bitmap; |
| 1080 | if ((w != ww) || (h != hh)) |
| 1081 | use_bitmap = use_bitmap.Rescale( 0, 0, ww, hh, ww, hh ); |
| 1082 | |
| 1083 | // apply mask if any |
| 1084 | GdkBitmap *mask = (GdkBitmap *) NULL; |
| 1085 | if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap(); |
| 1086 | |
| 1087 | GdkBitmap *new_mask = (GdkBitmap*) NULL; |
| 1088 | |
| 1089 | if (useMask && mask) |
| 1090 | { |
| 1091 | if (!m_currentClippingRegion.IsNull()) |
| 1092 | { |
| 1093 | GdkColor col; |
| 1094 | new_mask = gdk_pixmap_new( wxGetRootWindow()->window, ww, hh, 1 ); |
| 1095 | GdkGC *gc = gdk_gc_new( new_mask ); |
| 1096 | col.pixel = 0; |
| 1097 | gdk_gc_set_foreground( gc, &col ); |
| 1098 | gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, ww, hh ); |
| 1099 | col.pixel = 0; |
| 1100 | gdk_gc_set_background( gc, &col ); |
| 1101 | col.pixel = 1; |
| 1102 | gdk_gc_set_foreground( gc, &col ); |
| 1103 | gdk_gc_set_clip_region( gc, m_currentClippingRegion.GetRegion() ); |
| 1104 | gdk_gc_set_clip_origin( gc, -xx, -yy ); |
| 1105 | gdk_gc_set_fill( gc, GDK_OPAQUE_STIPPLED ); |
| 1106 | gdk_gc_set_stipple( gc, mask ); |
| 1107 | gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, ww, hh ); |
| 1108 | gdk_gc_unref( gc ); |
| 1109 | } |
| 1110 | |
| 1111 | if (is_mono) |
| 1112 | { |
| 1113 | if (new_mask) |
| 1114 | gdk_gc_set_clip_mask( m_textGC, new_mask ); |
| 1115 | else |
| 1116 | gdk_gc_set_clip_mask( m_textGC, mask ); |
| 1117 | gdk_gc_set_clip_origin( m_textGC, xx, yy ); |
| 1118 | } |
| 1119 | else |
| 1120 | { |
| 1121 | if (new_mask) |
| 1122 | gdk_gc_set_clip_mask( m_penGC, new_mask ); |
| 1123 | else |
| 1124 | gdk_gc_set_clip_mask( m_penGC, mask ); |
| 1125 | gdk_gc_set_clip_origin( m_penGC, xx, yy ); |
| 1126 | } |
| 1127 | } |
| 1128 | |
| 1129 | // Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For |
| 1130 | // drawing a mono-bitmap (XBitmap) we use the current text GC |
| 1131 | if (is_mono) |
| 1132 | { |
| 1133 | #ifdef __WXGTK20__ |
| 1134 | GdkPixmap *bitmap = gdk_pixmap_new( wxGetRootWindow()->window, ww, hh, -1 ); |
| 1135 | GdkGC *gc = gdk_gc_new( bitmap ); |
| 1136 | gdk_gc_set_foreground( gc, m_textForegroundColour.GetColor() ); |
| 1137 | gdk_gc_set_background( gc, m_textBackgroundColour.GetColor() ); |
| 1138 | gdk_wx_draw_bitmap( bitmap, gc, use_bitmap.GetBitmap(), 0, 0, 0, 0, -1, -1 ); |
| 1139 | |
| 1140 | gdk_draw_drawable( m_window, m_textGC, bitmap, 0, 0, xx, yy, -1, -1 ); |
| 1141 | |
| 1142 | gdk_bitmap_unref( bitmap ); |
| 1143 | gdk_gc_unref( gc ); |
| 1144 | #else |
| 1145 | gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), 0, 0, xx, yy, -1, -1 ); |
| 1146 | #endif |
| 1147 | } |
| 1148 | else |
| 1149 | { |
| 1150 | gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 ); |
| 1151 | } |
| 1152 | |
| 1153 | // remove mask again if any |
| 1154 | if (useMask && mask) |
| 1155 | { |
| 1156 | if (is_mono) |
| 1157 | { |
| 1158 | gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL ); |
| 1159 | gdk_gc_set_clip_origin( m_textGC, 0, 0 ); |
| 1160 | if (!m_currentClippingRegion.IsNull()) |
| 1161 | gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() ); |
| 1162 | } |
| 1163 | else |
| 1164 | { |
| 1165 | gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL ); |
| 1166 | gdk_gc_set_clip_origin( m_penGC, 0, 0 ); |
| 1167 | if (!m_currentClippingRegion.IsNull()) |
| 1168 | gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() ); |
| 1169 | } |
| 1170 | } |
| 1171 | |
| 1172 | if (new_mask) |
| 1173 | gdk_bitmap_unref( new_mask ); |
| 1174 | } |
| 1175 | |
| 1176 | bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, |
| 1177 | wxCoord width, wxCoord height, |
| 1178 | wxDC *source, |
| 1179 | wxCoord xsrc, wxCoord ysrc, |
| 1180 | int logical_func, |
| 1181 | bool useMask, |
| 1182 | wxCoord xsrcMask, wxCoord ysrcMask ) |
| 1183 | { |
| 1184 | wxCHECK_MSG( Ok(), FALSE, wxT("invalid window dc") ); |
| 1185 | |
| 1186 | wxCHECK_MSG( source, FALSE, wxT("invalid source dc") ); |
| 1187 | |
| 1188 | if (!m_window) return FALSE; |
| 1189 | |
| 1190 | // transform the source DC coords to the device ones |
| 1191 | xsrc = source->XLOG2DEV(xsrc); |
| 1192 | ysrc = source->YLOG2DEV(ysrc); |
| 1193 | |
| 1194 | wxClientDC *srcDC = (wxClientDC*)source; |
| 1195 | wxMemoryDC *memDC = (wxMemoryDC*)source; |
| 1196 | |
| 1197 | bool use_bitmap_method = FALSE; |
| 1198 | bool is_mono = FALSE; |
| 1199 | |
| 1200 | // TODO: use the mask origin when drawing transparently |
| 1201 | if (xsrcMask == -1 && ysrcMask == -1) |
| 1202 | { |
| 1203 | xsrcMask = xsrc; |
| 1204 | ysrcMask = ysrc; |
| 1205 | } |
| 1206 | |
| 1207 | if (srcDC->m_isMemDC) |
| 1208 | { |
| 1209 | if (!memDC->m_selected.Ok()) return FALSE; |
| 1210 | |
| 1211 | is_mono = (memDC->m_selected.GetDepth() == 1); |
| 1212 | |
| 1213 | // we use the "XCopyArea" way to copy a memory dc into |
| 1214 | // a different window if the memory dc BOTH |
| 1215 | // a) doesn't have any mask or its mask isn't used |
| 1216 | // b) it is clipped |
| 1217 | // c) is not 1-bit |
| 1218 | |
| 1219 | if (useMask && (memDC->m_selected.GetMask())) |
| 1220 | { |
| 1221 | // we HAVE TO use the direct way for memory dcs |
| 1222 | // that have mask since the XCopyArea doesn't know |
| 1223 | // about masks |
| 1224 | use_bitmap_method = TRUE; |
| 1225 | } |
| 1226 | else if (is_mono) |
| 1227 | { |
| 1228 | // we HAVE TO use the direct way for memory dcs |
| 1229 | // that are bitmaps because XCopyArea doesn't cope |
| 1230 | // with different bit depths |
| 1231 | use_bitmap_method = TRUE; |
| 1232 | } |
| 1233 | else if ((xsrc == 0) && (ysrc == 0) && |
| 1234 | (width == memDC->m_selected.GetWidth()) && |
| 1235 | (height == memDC->m_selected.GetHeight())) |
| 1236 | { |
| 1237 | // we SHOULD use the direct way if all of the bitmap |
| 1238 | // in the memory dc is copied in which case XCopyArea |
| 1239 | // wouldn't be able able to boost performace by reducing |
| 1240 | // the area to be scaled |
| 1241 | use_bitmap_method = TRUE; |
| 1242 | } |
| 1243 | else |
| 1244 | { |
| 1245 | use_bitmap_method = FALSE; |
| 1246 | } |
| 1247 | } |
| 1248 | |
| 1249 | CalcBoundingBox( xdest, ydest ); |
| 1250 | CalcBoundingBox( xdest + width, ydest + height ); |
| 1251 | |
| 1252 | // scale/translate size and position |
| 1253 | wxCoord xx = XLOG2DEV(xdest); |
| 1254 | wxCoord yy = YLOG2DEV(ydest); |
| 1255 | |
| 1256 | wxCoord ww = XLOG2DEVREL(width); |
| 1257 | wxCoord hh = YLOG2DEVREL(height); |
| 1258 | |
| 1259 | // compare to current clipping region |
| 1260 | if (!m_currentClippingRegion.IsNull()) |
| 1261 | { |
| 1262 | wxRegion tmp( xx,yy,ww,hh ); |
| 1263 | tmp.Intersect( m_currentClippingRegion ); |
| 1264 | if (tmp.IsEmpty()) |
| 1265 | return TRUE; |
| 1266 | } |
| 1267 | |
| 1268 | int old_logical_func = m_logicalFunction; |
| 1269 | SetLogicalFunction( logical_func ); |
| 1270 | |
| 1271 | if (use_bitmap_method) |
| 1272 | { |
| 1273 | // scale/translate bitmap size |
| 1274 | wxCoord bm_width = memDC->m_selected.GetWidth(); |
| 1275 | wxCoord bm_height = memDC->m_selected.GetHeight(); |
| 1276 | |
| 1277 | // Get clip coords for the bitmap. If we don't |
| 1278 | // use wxBitmap::Rescale(), which can clip the |
| 1279 | // bitmap, these are the same as the original |
| 1280 | // coordinates |
| 1281 | wxCoord cx = xx; |
| 1282 | wxCoord cy = yy; |
| 1283 | wxCoord cw = ww; |
| 1284 | wxCoord ch = hh; |
| 1285 | |
| 1286 | // interpret userscale of src too |
| 1287 | double xsc,ysc; |
| 1288 | memDC->GetUserScale(&xsc,&ysc); |
| 1289 | bm_width = (int) (bm_width / xsc); |
| 1290 | bm_height = (int) (bm_height / ysc); |
| 1291 | |
| 1292 | wxCoord bm_ww = XLOG2DEVREL( bm_width ); |
| 1293 | wxCoord bm_hh = YLOG2DEVREL( bm_height ); |
| 1294 | |
| 1295 | // Scale bitmap if required |
| 1296 | wxBitmap use_bitmap; |
| 1297 | if ((bm_width != bm_ww) || (bm_height != bm_hh)) |
| 1298 | { |
| 1299 | // This indicates that the blitting code below will get |
| 1300 | // a clipped bitmap and therefore needs to move the origin |
| 1301 | // accordingly |
| 1302 | wxRegion tmp( xx,yy,ww,hh ); |
| 1303 | tmp.Intersect( m_currentClippingRegion ); |
| 1304 | tmp.GetBox(cx,cy,cw,ch); |
| 1305 | |
| 1306 | // Scale and clipped bitmap |
| 1307 | use_bitmap = memDC->m_selected.Rescale(cx-xx,cy-yy,cw,ch,bm_ww,bm_hh); |
| 1308 | } |
| 1309 | else |
| 1310 | { |
| 1311 | // Don't scale bitmap |
| 1312 | use_bitmap = memDC->m_selected; |
| 1313 | } |
| 1314 | |
| 1315 | // apply mask if any |
| 1316 | GdkBitmap *mask = (GdkBitmap *) NULL; |
| 1317 | if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap(); |
| 1318 | |
| 1319 | GdkBitmap *new_mask = (GdkBitmap*) NULL; |
| 1320 | |
| 1321 | if (useMask && mask) |
| 1322 | { |
| 1323 | if (!m_currentClippingRegion.IsNull()) |
| 1324 | { |
| 1325 | GdkColor col; |
| 1326 | new_mask = gdk_pixmap_new( wxGetRootWindow()->window, bm_ww, bm_hh, 1 ); |
| 1327 | GdkGC *gc = gdk_gc_new( new_mask ); |
| 1328 | col.pixel = 0; |
| 1329 | gdk_gc_set_foreground( gc, &col ); |
| 1330 | gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, bm_ww, bm_hh ); |
| 1331 | col.pixel = 0; |
| 1332 | gdk_gc_set_background( gc, &col ); |
| 1333 | col.pixel = 1; |
| 1334 | gdk_gc_set_foreground( gc, &col ); |
| 1335 | gdk_gc_set_clip_region( gc, m_currentClippingRegion.GetRegion() ); |
| 1336 | // was: gdk_gc_set_clip_origin( gc, -xx, -yy ); |
| 1337 | gdk_gc_set_clip_origin( gc, -cx, -cy ); |
| 1338 | gdk_gc_set_fill( gc, GDK_OPAQUE_STIPPLED ); |
| 1339 | gdk_gc_set_stipple( gc, mask ); |
| 1340 | gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, bm_ww, bm_hh ); |
| 1341 | gdk_gc_unref( gc ); |
| 1342 | } |
| 1343 | |
| 1344 | if (is_mono) |
| 1345 | { |
| 1346 | if (new_mask) |
| 1347 | gdk_gc_set_clip_mask( m_textGC, new_mask ); |
| 1348 | else |
| 1349 | gdk_gc_set_clip_mask( m_textGC, mask ); |
| 1350 | // was: gdk_gc_set_clip_origin( m_textGC, xx, yy ); |
| 1351 | gdk_gc_set_clip_origin( m_textGC, cx, cy ); |
| 1352 | } |
| 1353 | else |
| 1354 | { |
| 1355 | if (new_mask) |
| 1356 | gdk_gc_set_clip_mask( m_penGC, new_mask ); |
| 1357 | else |
| 1358 | gdk_gc_set_clip_mask( m_penGC, mask ); |
| 1359 | // was: gdk_gc_set_clip_origin( m_penGC, xx, yy ); |
| 1360 | gdk_gc_set_clip_origin( m_penGC, cx, cy ); |
| 1361 | } |
| 1362 | } |
| 1363 | |
| 1364 | // Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For |
| 1365 | // drawing a mono-bitmap (XBitmap) we use the current text GC |
| 1366 | |
| 1367 | if (is_mono) |
| 1368 | { |
| 1369 | #ifdef __WXGTK20__ |
| 1370 | GdkPixmap *bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bm_ww, bm_hh, -1 ); |
| 1371 | GdkGC *gc = gdk_gc_new( bitmap ); |
| 1372 | gdk_gc_set_foreground( gc, m_textForegroundColour.GetColor() ); |
| 1373 | gdk_gc_set_background( gc, m_textBackgroundColour.GetColor() ); |
| 1374 | gdk_wx_draw_bitmap( bitmap, gc, use_bitmap.GetBitmap(), 0, 0, 0, 0, -1, -1 ); |
| 1375 | |
| 1376 | gdk_draw_drawable( m_window, m_textGC, bitmap, xsrc, ysrc, cx, cy, cw, ch ); |
| 1377 | |
| 1378 | gdk_bitmap_unref( bitmap ); |
| 1379 | gdk_gc_unref( gc ); |
| 1380 | #else |
| 1381 | // was: gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), xsrc, ysrc, xx, yy, ww, hh ); |
| 1382 | gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), xsrc, ysrc, cx, cy, cw, ch ); |
| 1383 | #endif |
| 1384 | } |
| 1385 | else |
| 1386 | { |
| 1387 | // was: gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, xx, yy, ww, hh ); |
| 1388 | gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, cx, cy, cw, ch ); |
| 1389 | } |
| 1390 | |
| 1391 | // remove mask again if any |
| 1392 | if (useMask && mask) |
| 1393 | { |
| 1394 | if (is_mono) |
| 1395 | { |
| 1396 | gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL ); |
| 1397 | gdk_gc_set_clip_origin( m_textGC, 0, 0 ); |
| 1398 | if (!m_currentClippingRegion.IsNull()) |
| 1399 | gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() ); |
| 1400 | } |
| 1401 | else |
| 1402 | { |
| 1403 | gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL ); |
| 1404 | gdk_gc_set_clip_origin( m_penGC, 0, 0 ); |
| 1405 | if (!m_currentClippingRegion.IsNull()) |
| 1406 | gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() ); |
| 1407 | } |
| 1408 | } |
| 1409 | |
| 1410 | if (new_mask) |
| 1411 | gdk_bitmap_unref( new_mask ); |
| 1412 | } |
| 1413 | else // use_bitmap_method |
| 1414 | { |
| 1415 | if ((width != ww) || (height != hh)) |
| 1416 | { |
| 1417 | // get clip coords |
| 1418 | wxRegion tmp( xx,yy,ww,hh ); |
| 1419 | tmp.Intersect( m_currentClippingRegion ); |
| 1420 | wxCoord cx,cy,cw,ch; |
| 1421 | tmp.GetBox(cx,cy,cw,ch); |
| 1422 | |
| 1423 | // rescale bitmap |
| 1424 | wxBitmap bitmap = memDC->m_selected.Rescale( cx-xx, cy-yy, cw, ch, ww, hh ); |
| 1425 | |
| 1426 | // draw scaled bitmap |
| 1427 | // was: gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 ); |
| 1428 | gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, cx, cy, -1, -1 ); |
| 1429 | } |
| 1430 | else |
| 1431 | { |
| 1432 | // No scaling and not a memory dc with a mask either |
| 1433 | |
| 1434 | // copy including child window contents |
| 1435 | gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS ); |
| 1436 | gdk_window_copy_area( m_window, m_penGC, xx, yy, |
| 1437 | srcDC->GetWindow(), |
| 1438 | xsrc, ysrc, width, height ); |
| 1439 | gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN ); |
| 1440 | } |
| 1441 | } |
| 1442 | |
| 1443 | SetLogicalFunction( old_logical_func ); |
| 1444 | |
| 1445 | return TRUE; |
| 1446 | } |
| 1447 | |
| 1448 | void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y ) |
| 1449 | { |
| 1450 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 1451 | |
| 1452 | if (!m_window) return; |
| 1453 | |
| 1454 | if (text.empty()) return; |
| 1455 | |
| 1456 | #ifndef __WXGTK20__ |
| 1457 | GdkFont *font = m_font.GetInternalFont( m_scaleY ); |
| 1458 | |
| 1459 | wxCHECK_RET( font, wxT("invalid font") ); |
| 1460 | #endif |
| 1461 | |
| 1462 | x = XLOG2DEV(x); |
| 1463 | y = YLOG2DEV(y); |
| 1464 | |
| 1465 | #ifdef __WXGTK20__ |
| 1466 | wxCHECK_RET( m_context, wxT("no Pango context") ); |
| 1467 | wxCHECK_RET( m_layout, wxT("no Pango layout") ); |
| 1468 | wxCHECK_RET( m_fontdesc, wxT("no Pango font description") ); |
| 1469 | |
| 1470 | bool underlined = m_font.Ok() && m_font.GetUnderlined(); |
| 1471 | |
| 1472 | #if wxUSE_UNICODE |
| 1473 | const wxCharBuffer data = wxConvUTF8.cWC2MB( text ); |
| 1474 | #else |
| 1475 | const wxWCharBuffer wdata = wxConvLocal.cMB2WC( text ); |
| 1476 | const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata ); |
| 1477 | #endif |
| 1478 | size_t datalen = strlen((const char*)data); |
| 1479 | pango_layout_set_text( m_layout, (const char*) data, datalen); |
| 1480 | |
| 1481 | if (underlined) |
| 1482 | { |
| 1483 | PangoAttrList *attrs = pango_attr_list_new(); |
| 1484 | PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE); |
| 1485 | a->start_index = 0; |
| 1486 | a->end_index = datalen; |
| 1487 | pango_attr_list_insert(attrs, a); |
| 1488 | pango_layout_set_attributes(m_layout, attrs); |
| 1489 | pango_attr_list_unref(attrs); |
| 1490 | } |
| 1491 | |
| 1492 | int w,h; |
| 1493 | |
| 1494 | if (fabs(m_scaleY - 1.0) < 0.00001) |
| 1495 | { |
| 1496 | // If there is a user or actually any scale applied to |
| 1497 | // the device context, scale the font. |
| 1498 | |
| 1499 | // scale font description |
| 1500 | gint oldSize = pango_font_description_get_size( m_fontdesc ); |
| 1501 | double size = oldSize; |
| 1502 | size = size * m_scaleY; |
| 1503 | pango_font_description_set_size( m_fontdesc, (gint)size ); |
| 1504 | |
| 1505 | // actually apply scaled font |
| 1506 | pango_layout_set_font_description( m_layout, m_fontdesc ); |
| 1507 | |
| 1508 | pango_layout_get_pixel_size( m_layout, &w, &h ); |
| 1509 | if ( m_backgroundMode == wxSOLID ) |
| 1510 | { |
| 1511 | gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor()); |
| 1512 | gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h); |
| 1513 | gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor()); |
| 1514 | } |
| 1515 | |
| 1516 | // Draw layout. |
| 1517 | gdk_draw_layout( m_window, m_textGC, x, y, m_layout ); |
| 1518 | |
| 1519 | // reset unscaled size |
| 1520 | pango_font_description_set_size( m_fontdesc, oldSize ); |
| 1521 | |
| 1522 | // actually apply unscaled font |
| 1523 | pango_layout_set_font_description( m_layout, m_fontdesc ); |
| 1524 | } |
| 1525 | else |
| 1526 | { |
| 1527 | pango_layout_get_pixel_size( m_layout, &w, &h ); |
| 1528 | if ( m_backgroundMode == wxSOLID ) |
| 1529 | { |
| 1530 | gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor()); |
| 1531 | gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h); |
| 1532 | gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor()); |
| 1533 | } |
| 1534 | // Draw layout. |
| 1535 | gdk_draw_layout( m_window, m_textGC, x, y, m_layout ); |
| 1536 | } |
| 1537 | |
| 1538 | if (underlined) |
| 1539 | { |
| 1540 | // undo underline attributes setting: |
| 1541 | pango_layout_set_attributes(m_layout, NULL); |
| 1542 | } |
| 1543 | |
| 1544 | wxCoord width = w; |
| 1545 | wxCoord height = h; |
| 1546 | |
| 1547 | #else // GTK+ 1.x |
| 1548 | wxCoord width = gdk_string_width( font, text.mbc_str() ); |
| 1549 | wxCoord height = font->ascent + font->descent; |
| 1550 | |
| 1551 | if ( m_backgroundMode == wxSOLID ) |
| 1552 | { |
| 1553 | gdk_gc_set_foreground( m_textGC, m_textBackgroundColour.GetColor() ); |
| 1554 | gdk_draw_rectangle( m_window, m_textGC, TRUE, x, y, width, height ); |
| 1555 | gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() ); |
| 1556 | } |
| 1557 | gdk_draw_string( m_window, font, m_textGC, x, y + font->ascent, text.mbc_str() ); |
| 1558 | |
| 1559 | /* CMB 17/7/98: simple underline: ignores scaling and underlying |
| 1560 | X font's XA_UNDERLINE_POSITION and XA_UNDERLINE_THICKNESS |
| 1561 | properties (see wxXt implementation) */ |
| 1562 | if (m_font.GetUnderlined()) |
| 1563 | { |
| 1564 | wxCoord ul_y = y + font->ascent; |
| 1565 | if (font->descent > 0) ul_y++; |
| 1566 | gdk_draw_line( m_window, m_textGC, x, ul_y, x + width, ul_y); |
| 1567 | } |
| 1568 | #endif // GTK+ 2.0/1.x |
| 1569 | |
| 1570 | width = wxCoord(width / m_scaleX); |
| 1571 | height = wxCoord(height / m_scaleY); |
| 1572 | CalcBoundingBox (x + width, y + height); |
| 1573 | CalcBoundingBox (x, y); |
| 1574 | } |
| 1575 | |
| 1576 | void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle ) |
| 1577 | { |
| 1578 | if (angle == 0.0) |
| 1579 | { |
| 1580 | DrawText(text, x, y); |
| 1581 | return; |
| 1582 | } |
| 1583 | |
| 1584 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 1585 | |
| 1586 | if (!m_window) return; |
| 1587 | |
| 1588 | #ifdef __WXGTK20__ |
| 1589 | // implement later without GdkFont for GTK 2.0 |
| 1590 | return; |
| 1591 | #else |
| 1592 | GdkFont *font = m_font.GetInternalFont( m_scaleY ); |
| 1593 | |
| 1594 | wxCHECK_RET( font, wxT("invalid font") ); |
| 1595 | |
| 1596 | // the size of the text |
| 1597 | wxCoord w = gdk_string_width( font, text.mbc_str() ); |
| 1598 | wxCoord h = font->ascent + font->descent; |
| 1599 | |
| 1600 | // draw the string normally |
| 1601 | wxBitmap src(w, h); |
| 1602 | wxMemoryDC dc; |
| 1603 | dc.SelectObject(src); |
| 1604 | dc.SetFont(GetFont()); |
| 1605 | dc.SetBackground(*wxWHITE_BRUSH); |
| 1606 | dc.SetBrush(*wxBLACK_BRUSH); |
| 1607 | dc.Clear(); |
| 1608 | dc.DrawText(text, 0, 0); |
| 1609 | dc.SelectObject(wxNullBitmap); |
| 1610 | |
| 1611 | // Calculate the size of the rotated bounding box. |
| 1612 | double rad = DegToRad(angle); |
| 1613 | double dx = cos(rad), |
| 1614 | dy = sin(rad); |
| 1615 | |
| 1616 | // the rectngle vertices are counted clockwise with the first one being at |
| 1617 | // (0, 0) (or, rather, at (x, y)) |
| 1618 | double x2 = w*dx, |
| 1619 | y2 = -w*dy; // y axis points to the bottom, hence minus |
| 1620 | double x4 = h*dy, |
| 1621 | y4 = h*dx; |
| 1622 | double x3 = x4 + x2, |
| 1623 | y3 = y4 + y2; |
| 1624 | |
| 1625 | // calc max and min |
| 1626 | wxCoord maxX = (wxCoord)(dmax(x2, dmax(x3, x4)) + 0.5), |
| 1627 | maxY = (wxCoord)(dmax(y2, dmax(y3, y4)) + 0.5), |
| 1628 | minX = (wxCoord)(dmin(x2, dmin(x3, x4)) - 0.5), |
| 1629 | minY = (wxCoord)(dmin(y2, dmin(y3, y4)) - 0.5); |
| 1630 | |
| 1631 | // prepare to blit-with-rotate the bitmap to the DC |
| 1632 | wxImage image = src.ConvertToImage(); |
| 1633 | |
| 1634 | GdkColor *colText = m_textForegroundColour.GetColor(), |
| 1635 | *colBack = m_textBackgroundColour.GetColor(); |
| 1636 | |
| 1637 | bool textColSet = TRUE; |
| 1638 | |
| 1639 | unsigned char *data = image.GetData(); |
| 1640 | |
| 1641 | // paint pixel by pixel |
| 1642 | for ( wxCoord srcX = 0; srcX < w; srcX++ ) |
| 1643 | { |
| 1644 | for ( wxCoord srcY = 0; srcY < h; srcY++ ) |
| 1645 | { |
| 1646 | // transform source coords to dest coords |
| 1647 | double r = sqrt((double)srcX*srcX + srcY*srcY); |
| 1648 | double angleOrig = atan2((double)srcY, (double)srcX) - rad; |
| 1649 | wxCoord dstX = (wxCoord)(r*cos(angleOrig) + 0.5), |
| 1650 | dstY = (wxCoord)(r*sin(angleOrig) + 0.5); |
| 1651 | |
| 1652 | // black pixel? |
| 1653 | bool textPixel = data[(srcY*w + srcX)*3] == 0; |
| 1654 | if ( textPixel || (m_backgroundMode == wxSOLID) ) |
| 1655 | { |
| 1656 | // change colour if needed |
| 1657 | if ( textPixel != textColSet ) |
| 1658 | { |
| 1659 | gdk_gc_set_foreground( m_textGC, textPixel ? colText |
| 1660 | : colBack ); |
| 1661 | |
| 1662 | textColSet = textPixel; |
| 1663 | } |
| 1664 | |
| 1665 | // don't use DrawPoint() because it uses the current pen |
| 1666 | // colour, and we don't need it here |
| 1667 | gdk_draw_point( m_window, m_textGC, |
| 1668 | XLOG2DEV(x) + dstX, YLOG2DEV(y) + dstY ); |
| 1669 | } |
| 1670 | } |
| 1671 | } |
| 1672 | |
| 1673 | // it would be better to draw with non underlined font and draw the line |
| 1674 | // manually here (it would be more straight...) |
| 1675 | #if 0 |
| 1676 | if ( m_font.GetUnderlined() ) |
| 1677 | { |
| 1678 | gdk_draw_line( m_window, m_textGC, |
| 1679 | XLOG2DEV(x + x4), YLOG2DEV(y + y4 + font->descent), |
| 1680 | XLOG2DEV(x + x3), YLOG2DEV(y + y3 + font->descent)); |
| 1681 | } |
| 1682 | #endif // 0 |
| 1683 | |
| 1684 | // restore the font colour |
| 1685 | gdk_gc_set_foreground( m_textGC, colText ); |
| 1686 | |
| 1687 | // update the bounding box |
| 1688 | CalcBoundingBox(x + minX, y + minY); |
| 1689 | CalcBoundingBox(x + maxX, y + maxY); |
| 1690 | #endif |
| 1691 | } |
| 1692 | |
| 1693 | void wxWindowDC::DoGetTextExtent(const wxString &string, |
| 1694 | wxCoord *width, wxCoord *height, |
| 1695 | wxCoord *descent, wxCoord *externalLeading, |
| 1696 | wxFont *theFont) const |
| 1697 | { |
| 1698 | if (string.IsEmpty()) |
| 1699 | { |
| 1700 | if (width) (*width) = 0; |
| 1701 | if (height) (*height) = 0; |
| 1702 | return; |
| 1703 | } |
| 1704 | |
| 1705 | #ifdef __WXGTK20__ |
| 1706 | // Set new font description |
| 1707 | if (theFont) |
| 1708 | pango_layout_set_font_description( m_layout, theFont->GetNativeFontInfo()->description ); |
| 1709 | |
| 1710 | // Set layout's text |
| 1711 | #if wxUSE_UNICODE |
| 1712 | const wxCharBuffer data = wxConvUTF8.cWC2MB( string ); |
| 1713 | const char *dataUTF8 = (const char *)data; |
| 1714 | #else |
| 1715 | const wxWCharBuffer wdata = wxConvLocal.cMB2WC( string ); |
| 1716 | if ( !wdata ) |
| 1717 | return; |
| 1718 | const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata ); |
| 1719 | const char *dataUTF8 = (const char *)data; |
| 1720 | #endif |
| 1721 | |
| 1722 | if ( !dataUTF8 ) |
| 1723 | { |
| 1724 | // hardly ideal, but what else can we do if conversion failed? |
| 1725 | return; |
| 1726 | } |
| 1727 | |
| 1728 | pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) ); |
| 1729 | |
| 1730 | int w,h; |
| 1731 | pango_layout_get_pixel_size( m_layout, &w, &h ); |
| 1732 | |
| 1733 | if (width) |
| 1734 | *width = (wxCoord) w; |
| 1735 | if (height) |
| 1736 | *height = (wxCoord) h; |
| 1737 | if (descent) |
| 1738 | { |
| 1739 | PangoLayoutIter *iter = pango_layout_get_iter(m_layout); |
| 1740 | int baseline = pango_layout_iter_get_baseline(iter); |
| 1741 | pango_layout_iter_free(iter); |
| 1742 | *descent = h - PANGO_PIXELS(baseline); |
| 1743 | } |
| 1744 | if (externalLeading) |
| 1745 | *externalLeading = 0; // ?? |
| 1746 | |
| 1747 | // Reset old font description |
| 1748 | if (theFont) |
| 1749 | pango_layout_set_font_description( m_layout, m_fontdesc ); |
| 1750 | #else // GTK+ 1.x |
| 1751 | wxFont fontToUse = m_font; |
| 1752 | if (theFont) fontToUse = *theFont; |
| 1753 | |
| 1754 | GdkFont *font = fontToUse.GetInternalFont( m_scaleY ); |
| 1755 | if (width) (*width) = wxCoord(gdk_string_width( font, string.mbc_str() ) / m_scaleX); |
| 1756 | if (height) (*height) = wxCoord((font->ascent + font->descent) / m_scaleY); |
| 1757 | if (descent) (*descent) = wxCoord(font->descent / m_scaleY); |
| 1758 | if (externalLeading) (*externalLeading) = 0; // ?? |
| 1759 | #endif // GTK+ 2/1 |
| 1760 | } |
| 1761 | |
| 1762 | wxCoord wxWindowDC::GetCharWidth() const |
| 1763 | { |
| 1764 | #ifdef __WXGTK20__ |
| 1765 | pango_layout_set_text( m_layout, "H", 1 ); |
| 1766 | int w,h; |
| 1767 | pango_layout_get_pixel_size( m_layout, &w, &h ); |
| 1768 | return w; |
| 1769 | #else |
| 1770 | GdkFont *font = m_font.GetInternalFont( m_scaleY ); |
| 1771 | wxCHECK_MSG( font, -1, wxT("invalid font") ); |
| 1772 | |
| 1773 | return wxCoord(gdk_string_width( font, "H" ) / m_scaleX); |
| 1774 | #endif |
| 1775 | } |
| 1776 | |
| 1777 | wxCoord wxWindowDC::GetCharHeight() const |
| 1778 | { |
| 1779 | #ifdef __WXGTK20__ |
| 1780 | pango_layout_set_text( m_layout, "H", 1 ); |
| 1781 | int w,h; |
| 1782 | pango_layout_get_pixel_size( m_layout, &w, &h ); |
| 1783 | return h; |
| 1784 | #else |
| 1785 | GdkFont *font = m_font.GetInternalFont( m_scaleY ); |
| 1786 | wxCHECK_MSG( font, -1, wxT("invalid font") ); |
| 1787 | |
| 1788 | return wxCoord((font->ascent + font->descent) / m_scaleY); |
| 1789 | #endif |
| 1790 | } |
| 1791 | |
| 1792 | void wxWindowDC::Clear() |
| 1793 | { |
| 1794 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 1795 | |
| 1796 | if (!m_window) return; |
| 1797 | |
| 1798 | // VZ: the code below results in infinite recursion and crashes when |
| 1799 | // dc.Clear() is done from OnPaint() so I disable it for now. |
| 1800 | // I don't know what the correct fix is but Clear() surely should not |
| 1801 | // reenter OnPaint()! |
| 1802 | #if 0 |
| 1803 | /* - we either are a memory dc or have a window as the |
| 1804 | owner. anything else shouldn't happen. |
| 1805 | - we don't use gdk_window_clear() as we don't set |
| 1806 | the window's background colour anymore. it is too |
| 1807 | much pain to keep the DC's and the window's back- |
| 1808 | ground colour in synch. */ |
| 1809 | |
| 1810 | if (m_owner) |
| 1811 | { |
| 1812 | m_owner->Clear(); |
| 1813 | return; |
| 1814 | } |
| 1815 | |
| 1816 | if (m_isMemDC) |
| 1817 | { |
| 1818 | int width,height; |
| 1819 | GetSize( &width, &height ); |
| 1820 | gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height ); |
| 1821 | return; |
| 1822 | } |
| 1823 | #else // 1 |
| 1824 | int width,height; |
| 1825 | GetSize( &width, &height ); |
| 1826 | gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height ); |
| 1827 | #endif // 0/1 |
| 1828 | } |
| 1829 | |
| 1830 | void wxWindowDC::SetFont( const wxFont &font ) |
| 1831 | { |
| 1832 | m_font = font; |
| 1833 | |
| 1834 | #ifdef __WXGTK20__ |
| 1835 | if (m_font.Ok()) |
| 1836 | { |
| 1837 | if (m_fontdesc) |
| 1838 | pango_font_description_free( m_fontdesc ); |
| 1839 | |
| 1840 | m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description ); |
| 1841 | |
| 1842 | |
| 1843 | if (m_owner) |
| 1844 | { |
| 1845 | PangoContext *oldContext = m_context; |
| 1846 | |
| 1847 | // We might want to use the X11 context for faster |
| 1848 | // rendering on screen |
| 1849 | if (m_font.GetNoAntiAliasing()) |
| 1850 | m_context = m_owner->GtkGetPangoX11Context(); |
| 1851 | else |
| 1852 | m_context = m_owner->GtkGetPangoDefaultContext(); |
| 1853 | |
| 1854 | // If we switch back/forth between different contexts |
| 1855 | // we also have to create a new layout. I think so, |
| 1856 | // at least, and it doesn't hurt to do it. |
| 1857 | if (oldContext != m_context) |
| 1858 | { |
| 1859 | if (m_layout) |
| 1860 | g_object_unref( G_OBJECT( m_layout ) ); |
| 1861 | |
| 1862 | m_layout = pango_layout_new( m_context ); |
| 1863 | } |
| 1864 | } |
| 1865 | |
| 1866 | pango_layout_set_font_description( m_layout, m_fontdesc ); |
| 1867 | } |
| 1868 | #endif |
| 1869 | } |
| 1870 | |
| 1871 | void wxWindowDC::SetPen( const wxPen &pen ) |
| 1872 | { |
| 1873 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 1874 | |
| 1875 | if (m_pen == pen) return; |
| 1876 | |
| 1877 | m_pen = pen; |
| 1878 | |
| 1879 | if (!m_pen.Ok()) return; |
| 1880 | |
| 1881 | if (!m_window) return; |
| 1882 | |
| 1883 | gint width = m_pen.GetWidth(); |
| 1884 | if (width <= 0) |
| 1885 | { |
| 1886 | // CMB: if width is non-zero scale it with the dc |
| 1887 | width = 1; |
| 1888 | } |
| 1889 | else |
| 1890 | { |
| 1891 | // X doesn't allow different width in x and y and so we take |
| 1892 | // the average |
| 1893 | double w = 0.5 + |
| 1894 | ( fabs((double) XLOG2DEVREL(width)) + |
| 1895 | fabs((double) YLOG2DEVREL(width)) ) / 2.0; |
| 1896 | width = (int)w; |
| 1897 | if ( !width ) |
| 1898 | { |
| 1899 | // width can't be 0 or an internal GTK error occurs inside |
| 1900 | // gdk_gc_set_dashes() below |
| 1901 | width = 1; |
| 1902 | } |
| 1903 | } |
| 1904 | |
| 1905 | static const wxGTKDash dotted[] = {1, 1}; |
| 1906 | static const wxGTKDash short_dashed[] = {2, 2}; |
| 1907 | static const wxGTKDash wxCoord_dashed[] = {2, 4}; |
| 1908 | static const wxGTKDash dotted_dashed[] = {3, 3, 1, 3}; |
| 1909 | |
| 1910 | // We express dash pattern in pen width unit, so we are |
| 1911 | // independent of zoom factor and so on... |
| 1912 | int req_nb_dash; |
| 1913 | const wxGTKDash *req_dash; |
| 1914 | |
| 1915 | GdkLineStyle lineStyle = GDK_LINE_SOLID; |
| 1916 | switch (m_pen.GetStyle()) |
| 1917 | { |
| 1918 | case wxUSER_DASH: |
| 1919 | { |
| 1920 | lineStyle = GDK_LINE_ON_OFF_DASH; |
| 1921 | req_nb_dash = m_pen.GetDashCount(); |
| 1922 | req_dash = (wxGTKDash*)m_pen.GetDash(); |
| 1923 | break; |
| 1924 | } |
| 1925 | case wxDOT: |
| 1926 | { |
| 1927 | lineStyle = GDK_LINE_ON_OFF_DASH; |
| 1928 | req_nb_dash = 2; |
| 1929 | req_dash = dotted; |
| 1930 | break; |
| 1931 | } |
| 1932 | case wxLONG_DASH: |
| 1933 | { |
| 1934 | lineStyle = GDK_LINE_ON_OFF_DASH; |
| 1935 | req_nb_dash = 2; |
| 1936 | req_dash = wxCoord_dashed; |
| 1937 | break; |
| 1938 | } |
| 1939 | case wxSHORT_DASH: |
| 1940 | { |
| 1941 | lineStyle = GDK_LINE_ON_OFF_DASH; |
| 1942 | req_nb_dash = 2; |
| 1943 | req_dash = short_dashed; |
| 1944 | break; |
| 1945 | } |
| 1946 | case wxDOT_DASH: |
| 1947 | { |
| 1948 | // lineStyle = GDK_LINE_DOUBLE_DASH; |
| 1949 | lineStyle = GDK_LINE_ON_OFF_DASH; |
| 1950 | req_nb_dash = 4; |
| 1951 | req_dash = dotted_dashed; |
| 1952 | break; |
| 1953 | } |
| 1954 | |
| 1955 | case wxTRANSPARENT: |
| 1956 | case wxSTIPPLE_MASK_OPAQUE: |
| 1957 | case wxSTIPPLE: |
| 1958 | case wxSOLID: |
| 1959 | default: |
| 1960 | { |
| 1961 | lineStyle = GDK_LINE_SOLID; |
| 1962 | req_dash = (wxGTKDash*)NULL; |
| 1963 | req_nb_dash = 0; |
| 1964 | break; |
| 1965 | } |
| 1966 | } |
| 1967 | |
| 1968 | #if (GTK_MINOR_VERSION > 0) || (GTK_MAJOR_VERSION > 1) |
| 1969 | if (req_dash && req_nb_dash) |
| 1970 | { |
| 1971 | wxGTKDash *real_req_dash = new wxGTKDash[req_nb_dash]; |
| 1972 | if (real_req_dash) |
| 1973 | { |
| 1974 | for (int i = 0; i < req_nb_dash; i++) |
| 1975 | real_req_dash[i] = req_dash[i] * width; |
| 1976 | gdk_gc_set_dashes( m_penGC, 0, real_req_dash, req_nb_dash ); |
| 1977 | delete[] real_req_dash; |
| 1978 | } |
| 1979 | else |
| 1980 | { |
| 1981 | // No Memory. We use non-scaled dash pattern... |
| 1982 | gdk_gc_set_dashes( m_penGC, 0, (wxGTKDash*)req_dash, req_nb_dash ); |
| 1983 | } |
| 1984 | } |
| 1985 | #endif // GTK+ > 1.0 |
| 1986 | |
| 1987 | GdkCapStyle capStyle = GDK_CAP_ROUND; |
| 1988 | switch (m_pen.GetCap()) |
| 1989 | { |
| 1990 | case wxCAP_PROJECTING: { capStyle = GDK_CAP_PROJECTING; break; } |
| 1991 | case wxCAP_BUTT: { capStyle = GDK_CAP_BUTT; break; } |
| 1992 | case wxCAP_ROUND: |
| 1993 | default: |
| 1994 | { |
| 1995 | if (width <= 1) |
| 1996 | { |
| 1997 | width = 0; |
| 1998 | capStyle = GDK_CAP_NOT_LAST; |
| 1999 | } |
| 2000 | else |
| 2001 | { |
| 2002 | capStyle = GDK_CAP_ROUND; |
| 2003 | } |
| 2004 | break; |
| 2005 | } |
| 2006 | } |
| 2007 | |
| 2008 | GdkJoinStyle joinStyle = GDK_JOIN_ROUND; |
| 2009 | switch (m_pen.GetJoin()) |
| 2010 | { |
| 2011 | case wxJOIN_BEVEL: { joinStyle = GDK_JOIN_BEVEL; break; } |
| 2012 | case wxJOIN_MITER: { joinStyle = GDK_JOIN_MITER; break; } |
| 2013 | case wxJOIN_ROUND: |
| 2014 | default: { joinStyle = GDK_JOIN_ROUND; break; } |
| 2015 | } |
| 2016 | |
| 2017 | gdk_gc_set_line_attributes( m_penGC, width, lineStyle, capStyle, joinStyle ); |
| 2018 | |
| 2019 | m_pen.GetColour().CalcPixel( m_cmap ); |
| 2020 | gdk_gc_set_foreground( m_penGC, m_pen.GetColour().GetColor() ); |
| 2021 | } |
| 2022 | |
| 2023 | void wxWindowDC::SetBrush( const wxBrush &brush ) |
| 2024 | { |
| 2025 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 2026 | |
| 2027 | if (m_brush == brush) return; |
| 2028 | |
| 2029 | m_brush = brush; |
| 2030 | |
| 2031 | if (!m_brush.Ok()) return; |
| 2032 | |
| 2033 | if (!m_window) return; |
| 2034 | |
| 2035 | m_brush.GetColour().CalcPixel( m_cmap ); |
| 2036 | gdk_gc_set_foreground( m_brushGC, m_brush.GetColour().GetColor() ); |
| 2037 | |
| 2038 | gdk_gc_set_fill( m_brushGC, GDK_SOLID ); |
| 2039 | |
| 2040 | if ((m_brush.GetStyle() == wxSTIPPLE) && (m_brush.GetStipple()->Ok())) |
| 2041 | { |
| 2042 | if (m_brush.GetStipple()->GetPixmap()) |
| 2043 | { |
| 2044 | gdk_gc_set_fill( m_brushGC, GDK_TILED ); |
| 2045 | gdk_gc_set_tile( m_brushGC, m_brush.GetStipple()->GetPixmap() ); |
| 2046 | } |
| 2047 | else |
| 2048 | { |
| 2049 | gdk_gc_set_fill( m_brushGC, GDK_STIPPLED ); |
| 2050 | gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetBitmap() ); |
| 2051 | } |
| 2052 | } |
| 2053 | |
| 2054 | if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask())) |
| 2055 | { |
| 2056 | gdk_gc_set_fill( m_textGC, GDK_OPAQUE_STIPPLED); |
| 2057 | gdk_gc_set_stipple( m_textGC, m_brush.GetStipple()->GetMask()->GetBitmap() ); |
| 2058 | } |
| 2059 | |
| 2060 | if (IS_HATCH(m_brush.GetStyle())) |
| 2061 | { |
| 2062 | gdk_gc_set_fill( m_brushGC, GDK_STIPPLED ); |
| 2063 | int num = m_brush.GetStyle() - wxBDIAGONAL_HATCH; |
| 2064 | gdk_gc_set_stipple( m_brushGC, hatches[num] ); |
| 2065 | } |
| 2066 | } |
| 2067 | |
| 2068 | void wxWindowDC::SetBackground( const wxBrush &brush ) |
| 2069 | { |
| 2070 | /* CMB 21/7/98: Added SetBackground. Sets background brush |
| 2071 | * for Clear() and bg colour for shapes filled with cross-hatch brush */ |
| 2072 | |
| 2073 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 2074 | |
| 2075 | if (m_backgroundBrush == brush) return; |
| 2076 | |
| 2077 | m_backgroundBrush = brush; |
| 2078 | |
| 2079 | if (!m_backgroundBrush.Ok()) return; |
| 2080 | |
| 2081 | if (!m_window) return; |
| 2082 | |
| 2083 | m_backgroundBrush.GetColour().CalcPixel( m_cmap ); |
| 2084 | gdk_gc_set_background( m_brushGC, m_backgroundBrush.GetColour().GetColor() ); |
| 2085 | gdk_gc_set_background( m_penGC, m_backgroundBrush.GetColour().GetColor() ); |
| 2086 | gdk_gc_set_background( m_bgGC, m_backgroundBrush.GetColour().GetColor() ); |
| 2087 | gdk_gc_set_foreground( m_bgGC, m_backgroundBrush.GetColour().GetColor() ); |
| 2088 | |
| 2089 | gdk_gc_set_fill( m_bgGC, GDK_SOLID ); |
| 2090 | |
| 2091 | if ((m_backgroundBrush.GetStyle() == wxSTIPPLE) && (m_backgroundBrush.GetStipple()->Ok())) |
| 2092 | { |
| 2093 | if (m_backgroundBrush.GetStipple()->GetPixmap()) |
| 2094 | { |
| 2095 | gdk_gc_set_fill( m_bgGC, GDK_TILED ); |
| 2096 | gdk_gc_set_tile( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() ); |
| 2097 | } |
| 2098 | else |
| 2099 | { |
| 2100 | gdk_gc_set_fill( m_bgGC, GDK_STIPPLED ); |
| 2101 | gdk_gc_set_stipple( m_bgGC, m_backgroundBrush.GetStipple()->GetBitmap() ); |
| 2102 | } |
| 2103 | } |
| 2104 | |
| 2105 | if (IS_HATCH(m_backgroundBrush.GetStyle())) |
| 2106 | { |
| 2107 | gdk_gc_set_fill( m_bgGC, GDK_STIPPLED ); |
| 2108 | int num = m_backgroundBrush.GetStyle() - wxBDIAGONAL_HATCH; |
| 2109 | gdk_gc_set_stipple( m_bgGC, hatches[num] ); |
| 2110 | } |
| 2111 | } |
| 2112 | |
| 2113 | void wxWindowDC::SetLogicalFunction( int function ) |
| 2114 | { |
| 2115 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 2116 | |
| 2117 | if (m_logicalFunction == function) |
| 2118 | return; |
| 2119 | |
| 2120 | // VZ: shouldn't this be a CHECK? |
| 2121 | if (!m_window) |
| 2122 | return; |
| 2123 | |
| 2124 | GdkFunction mode; |
| 2125 | switch (function) |
| 2126 | { |
| 2127 | case wxXOR: mode = GDK_XOR; break; |
| 2128 | case wxINVERT: mode = GDK_INVERT; break; |
| 2129 | #if (GTK_MINOR_VERSION > 0) || (GTK_MAJOR_VERSION > 1) |
| 2130 | case wxOR_REVERSE: mode = GDK_OR_REVERSE; break; |
| 2131 | case wxAND_REVERSE: mode = GDK_AND_REVERSE; break; |
| 2132 | case wxCLEAR: mode = GDK_CLEAR; break; |
| 2133 | case wxSET: mode = GDK_SET; break; |
| 2134 | case wxOR_INVERT: mode = GDK_OR_INVERT; break; |
| 2135 | case wxAND: mode = GDK_AND; break; |
| 2136 | case wxOR: mode = GDK_OR; break; |
| 2137 | case wxEQUIV: mode = GDK_EQUIV; break; |
| 2138 | case wxNAND: mode = GDK_NAND; break; |
| 2139 | case wxAND_INVERT: mode = GDK_AND_INVERT; break; |
| 2140 | case wxCOPY: mode = GDK_COPY; break; |
| 2141 | case wxNO_OP: mode = GDK_NOOP; break; |
| 2142 | case wxSRC_INVERT: mode = GDK_COPY_INVERT; break; |
| 2143 | |
| 2144 | // unsupported by GTK |
| 2145 | case wxNOR: mode = GDK_COPY; break; |
| 2146 | #endif // GTK+ > 1.0 |
| 2147 | default: |
| 2148 | wxFAIL_MSG( wxT("unsupported logical function") ); |
| 2149 | mode = GDK_COPY; |
| 2150 | } |
| 2151 | |
| 2152 | m_logicalFunction = function; |
| 2153 | |
| 2154 | gdk_gc_set_function( m_penGC, mode ); |
| 2155 | gdk_gc_set_function( m_brushGC, mode ); |
| 2156 | |
| 2157 | // to stay compatible with wxMSW, we don't apply ROPs to the text |
| 2158 | // operations (i.e. DrawText/DrawRotatedText). |
| 2159 | // True, but mono-bitmaps use the m_textGC and they use ROPs as well. |
| 2160 | gdk_gc_set_function( m_textGC, mode ); |
| 2161 | } |
| 2162 | |
| 2163 | void wxWindowDC::SetTextForeground( const wxColour &col ) |
| 2164 | { |
| 2165 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 2166 | |
| 2167 | // don't set m_textForegroundColour to an invalid colour as we'd crash |
| 2168 | // later then (we use m_textForegroundColour.GetColor() without checking |
| 2169 | // in a few places) |
| 2170 | if ( !col.Ok() || (m_textForegroundColour == col) ) |
| 2171 | return; |
| 2172 | |
| 2173 | m_textForegroundColour = col; |
| 2174 | |
| 2175 | if ( m_window ) |
| 2176 | { |
| 2177 | m_textForegroundColour.CalcPixel( m_cmap ); |
| 2178 | gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() ); |
| 2179 | } |
| 2180 | } |
| 2181 | |
| 2182 | void wxWindowDC::SetTextBackground( const wxColour &col ) |
| 2183 | { |
| 2184 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 2185 | |
| 2186 | // same as above |
| 2187 | if ( !col.Ok() || (m_textBackgroundColour == col) ) |
| 2188 | return; |
| 2189 | |
| 2190 | m_textBackgroundColour = col; |
| 2191 | |
| 2192 | if ( m_window ) |
| 2193 | { |
| 2194 | m_textBackgroundColour.CalcPixel( m_cmap ); |
| 2195 | gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() ); |
| 2196 | } |
| 2197 | } |
| 2198 | |
| 2199 | void wxWindowDC::SetBackgroundMode( int mode ) |
| 2200 | { |
| 2201 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 2202 | |
| 2203 | m_backgroundMode = mode; |
| 2204 | |
| 2205 | if (!m_window) return; |
| 2206 | |
| 2207 | // CMB 21/7/98: fill style of cross-hatch brushes is affected by |
| 2208 | // transparent/solid background mode |
| 2209 | |
| 2210 | if (m_brush.GetStyle() != wxSOLID && m_brush.GetStyle() != wxTRANSPARENT) |
| 2211 | { |
| 2212 | gdk_gc_set_fill( m_brushGC, |
| 2213 | (m_backgroundMode == wxTRANSPARENT) ? GDK_STIPPLED : GDK_OPAQUE_STIPPLED); |
| 2214 | } |
| 2215 | } |
| 2216 | |
| 2217 | void wxWindowDC::SetPalette( const wxPalette& WXUNUSED(palette) ) |
| 2218 | { |
| 2219 | wxFAIL_MSG( wxT("wxWindowDC::SetPalette not implemented") ); |
| 2220 | } |
| 2221 | |
| 2222 | void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) |
| 2223 | { |
| 2224 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 2225 | |
| 2226 | if (!m_window) return; |
| 2227 | |
| 2228 | wxRect rect; |
| 2229 | rect.x = XLOG2DEV(x); |
| 2230 | rect.y = YLOG2DEV(y); |
| 2231 | rect.width = XLOG2DEVREL(width); |
| 2232 | rect.height = YLOG2DEVREL(height); |
| 2233 | |
| 2234 | if (!m_currentClippingRegion.IsNull()) |
| 2235 | m_currentClippingRegion.Intersect( rect ); |
| 2236 | else |
| 2237 | m_currentClippingRegion.Union( rect ); |
| 2238 | |
| 2239 | #if USE_PAINT_REGION |
| 2240 | if (!m_paintClippingRegion.IsNull()) |
| 2241 | m_currentClippingRegion.Intersect( m_paintClippingRegion ); |
| 2242 | #endif |
| 2243 | |
| 2244 | wxCoord xx, yy, ww, hh; |
| 2245 | m_currentClippingRegion.GetBox( xx, yy, ww, hh ); |
| 2246 | wxDC::DoSetClippingRegion( xx, yy, ww, hh ); |
| 2247 | |
| 2248 | gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() ); |
| 2249 | gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() ); |
| 2250 | gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() ); |
| 2251 | gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() ); |
| 2252 | } |
| 2253 | |
| 2254 | void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion ®ion ) |
| 2255 | { |
| 2256 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 2257 | |
| 2258 | if (region.Empty()) |
| 2259 | { |
| 2260 | DestroyClippingRegion(); |
| 2261 | return; |
| 2262 | } |
| 2263 | |
| 2264 | if (!m_window) return; |
| 2265 | |
| 2266 | if (!m_currentClippingRegion.IsNull()) |
| 2267 | m_currentClippingRegion.Intersect( region ); |
| 2268 | else |
| 2269 | m_currentClippingRegion.Union( region ); |
| 2270 | |
| 2271 | #if USE_PAINT_REGION |
| 2272 | if (!m_paintClippingRegion.IsNull()) |
| 2273 | m_currentClippingRegion.Intersect( m_paintClippingRegion ); |
| 2274 | #endif |
| 2275 | |
| 2276 | wxCoord xx, yy, ww, hh; |
| 2277 | m_currentClippingRegion.GetBox( xx, yy, ww, hh ); |
| 2278 | wxDC::DoSetClippingRegion( xx, yy, ww, hh ); |
| 2279 | |
| 2280 | gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() ); |
| 2281 | gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() ); |
| 2282 | gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() ); |
| 2283 | gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() ); |
| 2284 | } |
| 2285 | |
| 2286 | void wxWindowDC::DestroyClippingRegion() |
| 2287 | { |
| 2288 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); |
| 2289 | |
| 2290 | wxDC::DestroyClippingRegion(); |
| 2291 | |
| 2292 | m_currentClippingRegion.Clear(); |
| 2293 | |
| 2294 | #if USE_PAINT_REGION |
| 2295 | if (!m_paintClippingRegion.IsEmpty()) |
| 2296 | m_currentClippingRegion.Union( m_paintClippingRegion ); |
| 2297 | #endif |
| 2298 | |
| 2299 | if (!m_window) return; |
| 2300 | |
| 2301 | if (m_currentClippingRegion.IsEmpty()) |
| 2302 | { |
| 2303 | gdk_gc_set_clip_rectangle( m_penGC, (GdkRectangle *) NULL ); |
| 2304 | gdk_gc_set_clip_rectangle( m_brushGC, (GdkRectangle *) NULL ); |
| 2305 | gdk_gc_set_clip_rectangle( m_textGC, (GdkRectangle *) NULL ); |
| 2306 | gdk_gc_set_clip_rectangle( m_bgGC, (GdkRectangle *) NULL ); |
| 2307 | } |
| 2308 | else |
| 2309 | { |
| 2310 | gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() ); |
| 2311 | gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() ); |
| 2312 | gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() ); |
| 2313 | gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() ); |
| 2314 | } |
| 2315 | } |
| 2316 | |
| 2317 | void wxWindowDC::Destroy() |
| 2318 | { |
| 2319 | if (m_penGC) wxFreePoolGC( m_penGC ); |
| 2320 | m_penGC = (GdkGC*) NULL; |
| 2321 | if (m_brushGC) wxFreePoolGC( m_brushGC ); |
| 2322 | m_brushGC = (GdkGC*) NULL; |
| 2323 | if (m_textGC) wxFreePoolGC( m_textGC ); |
| 2324 | m_textGC = (GdkGC*) NULL; |
| 2325 | if (m_bgGC) wxFreePoolGC( m_bgGC ); |
| 2326 | m_bgGC = (GdkGC*) NULL; |
| 2327 | } |
| 2328 | |
| 2329 | void wxWindowDC::ComputeScaleAndOrigin() |
| 2330 | { |
| 2331 | /* CMB: copy scale to see if it changes */ |
| 2332 | double origScaleX = m_scaleX; |
| 2333 | double origScaleY = m_scaleY; |
| 2334 | |
| 2335 | wxDC::ComputeScaleAndOrigin(); |
| 2336 | |
| 2337 | /* CMB: if scale has changed call SetPen to recalulate the line width */ |
| 2338 | if ((m_scaleX != origScaleX || m_scaleY != origScaleY) && |
| 2339 | (m_pen.Ok())) |
| 2340 | { |
| 2341 | /* this is a bit artificial, but we need to force wxDC to think |
| 2342 | the pen has changed */ |
| 2343 | wxPen pen = m_pen; |
| 2344 | m_pen = wxNullPen; |
| 2345 | SetPen( pen ); |
| 2346 | } |
| 2347 | } |
| 2348 | |
| 2349 | // Resolution in pixels per logical inch |
| 2350 | wxSize wxWindowDC::GetPPI() const |
| 2351 | { |
| 2352 | return wxSize( (int) (m_mm_to_pix_x * 25.4 + 0.5), (int) (m_mm_to_pix_y * 25.4 + 0.5)); |
| 2353 | } |
| 2354 | |
| 2355 | int wxWindowDC::GetDepth() const |
| 2356 | { |
| 2357 | wxFAIL_MSG(wxT("not implemented")); |
| 2358 | |
| 2359 | return -1; |
| 2360 | } |
| 2361 | |
| 2362 | |
| 2363 | //----------------------------------------------------------------------------- |
| 2364 | // wxPaintDC |
| 2365 | //----------------------------------------------------------------------------- |
| 2366 | |
| 2367 | IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxClientDC) |
| 2368 | |
| 2369 | // Limit the paint region to the window size. Sometimes |
| 2370 | // the paint region is too big, and this risks X11 errors |
| 2371 | static void wxLimitRegionToSize(wxRegion& region, const wxSize& sz) |
| 2372 | { |
| 2373 | wxRect originalRect = region.GetBox(); |
| 2374 | wxRect rect(originalRect); |
| 2375 | if (rect.width + rect.x > sz.x) |
| 2376 | rect.width = sz.x - rect.x; |
| 2377 | if (rect.height + rect.y > sz.y) |
| 2378 | rect.height = sz.y - rect.y; |
| 2379 | if (rect != originalRect) |
| 2380 | { |
| 2381 | region = wxRegion(rect); |
| 2382 | wxLogTrace(wxT("painting"), wxT("Limiting region from %d, %d, %d, %d to %d, %d, %d, %d\n"), |
| 2383 | originalRect.x, originalRect.y, originalRect.width, originalRect.height, |
| 2384 | rect.x, rect.y, rect.width, rect.height); |
| 2385 | } |
| 2386 | } |
| 2387 | |
| 2388 | wxPaintDC::wxPaintDC( wxWindow *win ) |
| 2389 | : wxClientDC( win ) |
| 2390 | { |
| 2391 | #if USE_PAINT_REGION |
| 2392 | if (!win->m_clipPaintRegion) |
| 2393 | return; |
| 2394 | |
| 2395 | wxSize sz = win->GetSize(); |
| 2396 | m_paintClippingRegion = win->GetUpdateRegion(); |
| 2397 | wxLimitRegionToSize(m_paintClippingRegion, sz); |
| 2398 | |
| 2399 | GdkRegion *region = m_paintClippingRegion.GetRegion(); |
| 2400 | if ( region ) |
| 2401 | { |
| 2402 | m_currentClippingRegion.Union( m_paintClippingRegion ); |
| 2403 | wxLimitRegionToSize(m_currentClippingRegion, sz); |
| 2404 | |
| 2405 | if (sz.x <= 0 || sz.y <= 0) |
| 2406 | return ; |
| 2407 | |
| 2408 | gdk_gc_set_clip_region( m_penGC, region ); |
| 2409 | gdk_gc_set_clip_region( m_brushGC, region ); |
| 2410 | gdk_gc_set_clip_region( m_textGC, region ); |
| 2411 | gdk_gc_set_clip_region( m_bgGC, region ); |
| 2412 | } |
| 2413 | #endif // USE_PAINT_REGION |
| 2414 | } |
| 2415 | |
| 2416 | //----------------------------------------------------------------------------- |
| 2417 | // wxClientDC |
| 2418 | //----------------------------------------------------------------------------- |
| 2419 | |
| 2420 | IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC) |
| 2421 | |
| 2422 | wxClientDC::wxClientDC( wxWindow *win ) |
| 2423 | : wxWindowDC( win ) |
| 2424 | { |
| 2425 | wxCHECK_RET( win, _T("NULL window in wxClientDC::wxClientDC") ); |
| 2426 | |
| 2427 | #ifdef __WXUNIVERSAL__ |
| 2428 | wxPoint ptOrigin = win->GetClientAreaOrigin(); |
| 2429 | SetDeviceOrigin(ptOrigin.x, ptOrigin.y); |
| 2430 | wxSize size = win->GetClientSize(); |
| 2431 | SetClippingRegion(wxPoint(0, 0), size); |
| 2432 | #endif // __WXUNIVERSAL__ |
| 2433 | } |
| 2434 | |
| 2435 | void wxClientDC::DoGetSize(int *width, int *height) const |
| 2436 | { |
| 2437 | wxCHECK_RET( m_owner, _T("GetSize() doesn't work without window") ); |
| 2438 | |
| 2439 | m_owner->GetClientSize( width, height ); |
| 2440 | } |
| 2441 | |
| 2442 | // ---------------------------------------------------------------------------- |
| 2443 | // wxDCModule |
| 2444 | // ---------------------------------------------------------------------------- |
| 2445 | |
| 2446 | class wxDCModule : public wxModule |
| 2447 | { |
| 2448 | public: |
| 2449 | bool OnInit(); |
| 2450 | void OnExit(); |
| 2451 | |
| 2452 | private: |
| 2453 | DECLARE_DYNAMIC_CLASS(wxDCModule) |
| 2454 | }; |
| 2455 | |
| 2456 | IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule) |
| 2457 | |
| 2458 | bool wxDCModule::OnInit() |
| 2459 | { |
| 2460 | wxInitGCPool(); |
| 2461 | return TRUE; |
| 2462 | } |
| 2463 | |
| 2464 | void wxDCModule::OnExit() |
| 2465 | { |
| 2466 | wxCleanUpGCPool(); |
| 2467 | } |