/////////////////////////////////////////////////////////////////////////////
-// Name: bitmap.cpp
+// Name: src/gtk/bitmap.cpp
// Purpose:
// Author: Robert Roebling
-// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// Copyright: (c) 1998 Robert Roebling
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "bitmap.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
#include "wx/bitmap.h"
-#include "gdk/gdkprivate.h"
-#ifdef USE_GDK_IMLIB
-#include "../gdk_imlib/gdk_imlib.h"
+#ifndef WX_PRECOMP
+ #include "wx/icon.h"
+ #include "wx/image.h"
+ #include "wx/colour.h"
+#endif
+
+#include "wx/rawbmp.h"
+
+#include "wx/gtk/private/object.h"
+#include "wx/gtk/private.h"
+
+#include <gtk/gtk.h>
+
+extern GtkWidget *wxGetRootWindow();
+
+#ifndef __WXGTK3__
+static void PixmapToPixbuf(GdkPixmap* pixmap, GdkPixbuf* pixbuf, int w, int h)
+{
+ gdk_pixbuf_get_from_drawable(pixbuf, pixmap, NULL, 0, 0, 0, 0, w, h);
+ if (gdk_drawable_get_depth(pixmap) == 1)
+ {
+ // invert to match XBM convention
+ guchar* p = gdk_pixbuf_get_pixels(pixbuf);
+ const int inc = 3 + int(gdk_pixbuf_get_has_alpha(pixbuf) != 0);
+ const int rowpad = gdk_pixbuf_get_rowstride(pixbuf) - w * inc;
+ for (int y = h; y; y--, p += rowpad)
+ for (int x = w; x; x--, p += inc)
+ {
+ // pixels are either (0,0,0) or (0xff,0xff,0xff)
+ p[0] = ~p[0];
+ p[1] = ~p[1];
+ p[2] = ~p[2];
+ }
+ }
+}
+
+static void MaskToAlpha(GdkPixmap* mask, GdkPixbuf* pixbuf, int w, int h)
+{
+ GdkPixbuf* mask_pixbuf = gdk_pixbuf_get_from_drawable(
+ NULL, mask, NULL, 0, 0, 0, 0, w, h);
+ guchar* p = gdk_pixbuf_get_pixels(pixbuf) + 3;
+ const guchar* mask_data = gdk_pixbuf_get_pixels(mask_pixbuf);
+ const int rowpad = gdk_pixbuf_get_rowstride(pixbuf) - w * 4;
+ const int mask_rowpad = gdk_pixbuf_get_rowstride(mask_pixbuf) - w * 3;
+ for (int y = h; y; y--, p += rowpad, mask_data += mask_rowpad)
+ {
+ for (int x = w; x; x--, p += 4, mask_data += 3)
+ {
+ *p = 255;
+ // no need to test all 3 components,
+ // pixels are either (0,0,0) or (0xff,0xff,0xff)
+ if (mask_data[0] == 0)
+ *p = 0;
+ }
+ }
+ g_object_unref(mask_pixbuf);
+}
#endif
//-----------------------------------------------------------------------------
// wxMask
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)
+IMPLEMENT_DYNAMIC_CLASS(wxMask, wxMaskBase)
-wxMask::wxMask(void)
+wxMask::wxMask()
{
- m_bitmap = NULL;
-};
+ m_bitmap = NULL;
+}
-wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), const wxColour& WXUNUSED(colour) )
+wxMask::wxMask(const wxMask& mask)
{
-};
+#ifdef __WXGTK3__
+ m_bitmap = NULL;
+ if (mask.m_bitmap)
+ {
+ const int w = cairo_image_surface_get_width(mask.m_bitmap);
+ const int h = cairo_image_surface_get_height(mask.m_bitmap);
+ m_bitmap = cairo_image_surface_create(CAIRO_FORMAT_A8, w, h);
+ const guchar* src = cairo_image_surface_get_data(mask.m_bitmap);
+ guchar* dst = cairo_image_surface_get_data(m_bitmap);
+ const int stride = cairo_image_surface_get_stride(m_bitmap);
+ wxASSERT(stride == cairo_image_surface_get_stride(mask.m_bitmap));
+ memcpy(dst, src, stride * h);
+ cairo_surface_mark_dirty(m_bitmap);
+ }
+#else
+ if ( !mask.m_bitmap )
+ {
+ m_bitmap = NULL;
+ return;
+ }
+
+ // create a copy of an existing mask
+ gint w, h;
+ gdk_drawable_get_size(mask.m_bitmap, &w, &h);
+ m_bitmap = gdk_pixmap_new(mask.m_bitmap, w, h, 1);
+
+ wxGtkObject<GdkGC> gc(gdk_gc_new(m_bitmap));
+ gdk_draw_drawable(m_bitmap, gc, mask.m_bitmap, 0, 0, 0, 0, -1, -1);
+#endif
+}
-wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), const int WXUNUSED(paletteIndex) )
+wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
{
-};
+ m_bitmap = NULL;
+ InitFromColour(bitmap, colour);
+}
-wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap) )
+#if wxUSE_PALETTE
+wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
{
-};
+ m_bitmap = NULL;
+ Create( bitmap, paletteIndex );
+}
+#endif // wxUSE_PALETTE
-wxMask::~wxMask(void)
+wxMask::wxMask( const wxBitmap& bitmap )
{
-#ifdef USE_GDK_IMLIB
- // do not delete the mask, gdk_imlib does it for you
+ m_bitmap = NULL;
+ InitFromMonoBitmap(bitmap);
+}
+
+#ifdef __WXGTK3__
+wxMask::wxMask(cairo_surface_t* bitmap)
#else
- if (m_bitmap) gdk_bitmap_unref( m_bitmap );
-#endif
-};
+wxMask::wxMask(GdkPixmap* bitmap)
+#endif
+{
+ m_bitmap = bitmap;
+}
-GdkBitmap *wxMask::GetBitmap(void) const
+wxMask::~wxMask()
{
- return m_bitmap;
-};
-
+ if (m_bitmap)
+ {
+#ifdef __WXGTK3__
+ cairo_surface_destroy(m_bitmap);
+#else
+ g_object_unref (m_bitmap);
+#endif
+ }
+}
+
+void wxMask::FreeData()
+{
+ if (m_bitmap)
+ {
+#ifdef __WXGTK3__
+ cairo_surface_destroy(m_bitmap);
+#else
+ g_object_unref (m_bitmap);
+#endif
+ m_bitmap = NULL;
+ }
+}
+
+bool wxMask::InitFromColour(const wxBitmap& bitmap, const wxColour& colour)
+{
+ const int w = bitmap.GetWidth();
+ const int h = bitmap.GetHeight();
+
+#ifdef __WXGTK3__
+ m_bitmap = cairo_image_surface_create(CAIRO_FORMAT_A8, w, h);
+ GdkPixbuf* pixbuf = bitmap.GetPixbufNoMask();
+ const guchar* src = gdk_pixbuf_get_pixels(pixbuf);
+ guchar* dst = cairo_image_surface_get_data(m_bitmap);
+ const int stride_src = gdk_pixbuf_get_rowstride(pixbuf);
+ const int stride_dst = cairo_image_surface_get_stride(m_bitmap);
+ const int src_inc = gdk_pixbuf_get_n_channels(pixbuf);
+ const guchar r = colour.Red();
+ const guchar g = colour.Green();
+ const guchar b = colour.Blue();
+ for (int j = 0; j < h; j++, src += stride_src, dst += stride_dst)
+ {
+ const guchar* s = src;
+ for (int i = 0; i < w; i++, s += src_inc)
+ {
+ dst[i] = 0xff;
+ if (s[0] == r && s[1] == g && s[2] == b)
+ dst[i] = 0;
+ }
+ }
+ cairo_surface_mark_dirty(m_bitmap);
+#else
+ // create mask as XBM format bitmap
+
+ // one bit per pixel, each row starts on a byte boundary
+ const size_t out_size = size_t((w + 7) / 8) * unsigned(h);
+ wxByte* out = new wxByte[out_size];
+ // set bits are unmasked
+ memset(out, 0xff, out_size);
+ unsigned bit_index = 0;
+ if (bitmap.HasPixbuf())
+ {
+ const wxByte r_mask = colour.Red();
+ const wxByte g_mask = colour.Green();
+ const wxByte b_mask = colour.Blue();
+ GdkPixbuf* pixbuf = bitmap.GetPixbuf();
+ const wxByte* in = gdk_pixbuf_get_pixels(pixbuf);
+ const int inc = 3 + int(gdk_pixbuf_get_has_alpha(pixbuf) != 0);
+ const int rowpadding = gdk_pixbuf_get_rowstride(pixbuf) - inc * w;
+ for (int y = 0; y < h; y++, in += rowpadding)
+ {
+ for (int x = 0; x < w; x++, in += inc, bit_index++)
+ if (in[0] == r_mask && in[1] == g_mask && in[2] == b_mask)
+ out[bit_index >> 3] ^= 1 << (bit_index & 7);
+ // move index to next byte boundary
+ bit_index = (bit_index + 7) & ~7u;
+ }
+ }
+ else
+ {
+ GdkImage* image = gdk_drawable_get_image(bitmap.GetPixmap(), 0, 0, w, h);
+ GdkColormap* colormap = gdk_image_get_colormap(image);
+ guint32 mask_pixel;
+ if (colormap == NULL)
+ // mono bitmap, white is pixel value 0
+ mask_pixel = guint32(colour.Red() != 255 || colour.Green() != 255 || colour.Blue() != 255);
+ else
+ {
+ wxColor c(colour);
+ c.CalcPixel(colormap);
+ mask_pixel = c.GetPixel();
+ }
+ for (int y = 0; y < h; y++)
+ {
+ for (int x = 0; x < w; x++, bit_index++)
+ if (gdk_image_get_pixel(image, x, y) == mask_pixel)
+ out[bit_index >> 3] ^= 1 << (bit_index & 7);
+ bit_index = (bit_index + 7) & ~7u;
+ }
+ g_object_unref(image);
+ }
+ m_bitmap = gdk_bitmap_create_from_data(wxGetRootWindow()->window, (char*)out, w, h);
+ delete[] out;
+#endif
+ return true;
+}
+
+bool wxMask::InitFromMonoBitmap(const wxBitmap& bitmap)
+{
+ if (!bitmap.IsOk()) return false;
+
+ wxCHECK_MSG( bitmap.GetDepth() == 1, false, wxT("Cannot create mask from colour bitmap") );
+
+#ifdef __WXGTK3__
+ InitFromColour(bitmap, *wxBLACK);
+#else
+ m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
+
+ if (!m_bitmap) return false;
+
+ wxGtkObject<GdkGC> gc(gdk_gc_new( m_bitmap ));
+ gdk_gc_set_function(gc, GDK_COPY_INVERT);
+ gdk_draw_drawable(m_bitmap, gc, bitmap.GetPixmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight());
+#endif
+
+ return true;
+}
+
+#ifdef __WXGTK3__
+cairo_surface_t* wxMask::GetBitmap() const
+#else
+GdkPixmap* wxMask::GetBitmap() const
+#endif
+{
+ return m_bitmap;
+}
+
//-----------------------------------------------------------------------------
-// wxBitmap
+// wxBitmapRefData
//-----------------------------------------------------------------------------
-// CMB 20/5/98: added m_bitmap for GdkBitmaps
-class wxBitmapRefData: public wxObjectRefData
+class wxBitmapRefData: public wxGDIRefData
{
- public:
-
- wxBitmapRefData(void);
- ~wxBitmapRefData(void);
-
+public:
+ wxBitmapRefData(int width, int height, int depth);
+ virtual ~wxBitmapRefData();
+
+ virtual bool IsOk() const;
+
+#ifdef __WXGTK3__
+ GdkPixbuf* m_pixbufMask;
+ GdkPixbuf* m_pixbufNoMask;
+ cairo_surface_t* m_surface;
+#else
GdkPixmap *m_pixmap;
- GdkBitmap *m_bitmap;
+ GdkPixbuf *m_pixbuf;
+#endif
wxMask *m_mask;
int m_width;
int m_height;
int m_bpp;
- wxPalette *m_palette;
+#ifndef __WXGTK3__
+ bool m_alphaRequested;
+#endif
+
+ // We don't provide a copy ctor as copying m_pixmap and m_pixbuf properly
+ // is expensive and we don't want to do it implicitly (and possibly
+ // accidentally). wxBitmap::CloneGDIRefData() which does need to do it does
+ // it explicitly itself.
+ wxDECLARE_NO_COPY_CLASS(wxBitmapRefData);
};
-wxBitmapRefData::wxBitmapRefData(void)
+wxBitmapRefData::wxBitmapRefData(int width, int height, int depth)
{
- m_pixmap = NULL;
- m_bitmap = NULL;
- m_mask = NULL;
- m_width = 0;
- m_height = 0;
- m_bpp = 0;
- m_palette = NULL;
-};
+#ifdef __WXGTK3__
+ m_pixbufMask = NULL;
+ m_pixbufNoMask = NULL;
+ m_surface = NULL;
+#else
+ m_pixmap = NULL;
+ m_pixbuf = NULL;
+#endif
+ m_mask = NULL;
+ m_width = width;
+ m_height = height;
+ m_bpp = depth;
+#ifdef __WXGTK3__
+ if (m_bpp != 1 && m_bpp != 32)
+ m_bpp = 24;
+#else
+ if (m_bpp < 0)
+ m_bpp = gdk_drawable_get_depth(wxGetRootWindow()->window);
+ m_alphaRequested = depth == 32;
+#endif
+}
-wxBitmapRefData::~wxBitmapRefData(void)
+wxBitmapRefData::~wxBitmapRefData()
{
-#ifdef USE_GDK_IMLIB
- if (m_pixmap) gdk_imlib_free_pixmap( m_pixmap );
+#ifdef __WXGTK3__
+ if (m_pixbufMask)
+ g_object_unref(m_pixbufMask);
+ if (m_pixbufNoMask)
+ g_object_unref(m_pixbufNoMask);
+ if (m_surface)
+ cairo_surface_destroy(m_surface);
#else
- if (m_pixmap) gdk_pixmap_unref( m_pixmap );
- if (m_bitmap) gdk_bitmap_unref( m_bitmap );
+ if (m_pixmap)
+ g_object_unref (m_pixmap);
+ if (m_pixbuf)
+ g_object_unref (m_pixbuf);
#endif
- if (m_mask) delete m_mask;
- if (m_palette) delete m_palette;
-};
+ delete m_mask;
+}
+bool wxBitmapRefData::IsOk() const
+{
+ return m_bpp != 0;
+}
+
+//-----------------------------------------------------------------------------
+// wxBitmap
//-----------------------------------------------------------------------------
-#define M_BMPDATA ((wxBitmapRefData *)m_refData)
+#define M_BMPDATA static_cast<wxBitmapRefData*>(m_refData)
IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
-wxBitmap::wxBitmap(void)
+wxBitmap::wxBitmap(const wxString &filename, wxBitmapType type)
{
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
-};
-
-wxBitmap::wxBitmap( const int width, const int height, const int depth )
-{
- m_refData = new wxBitmapRefData();
- M_BMPDATA->m_mask = NULL;
- M_BMPDATA->m_pixmap =
- gdk_pixmap_new( (GdkWindow*) &gdk_root_parent, width, height, depth );
- gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
- M_BMPDATA->m_bpp = depth;
-
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
-};
+ LoadFile(filename, type);
+}
+
+wxBitmap::wxBitmap(const char bits[], int width, int height, int depth)
+{
+ wxASSERT(depth == 1);
+ if (width > 0 && height > 0 && depth == 1)
+ {
+ m_refData = new wxBitmapRefData(width, height, 1);
+#ifdef __WXGTK3__
+ GdkPixbuf* pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, false, 8, width, height);
+ M_BMPDATA->m_pixbufNoMask = pixbuf;
+ const char* src = bits;
+ guchar* dst = gdk_pixbuf_get_pixels(pixbuf);
+ const int stride_src = (width + 7) / 8;
+ const int rowinc_dst = gdk_pixbuf_get_rowstride(pixbuf) - 3 * width;
+ for (int j = 0; j < width; j++, src += stride_src, dst += rowinc_dst)
+ {
+ for (int i = 0; i < height; i++)
+ {
+ guchar c = 0xff;
+ if (src[i >> 3] & (1 << (i & 7)))
+ c = 0;
+ *dst++ = c;
+ *dst++ = c;
+ *dst++ = c;
+ }
+ }
+#else
+ M_BMPDATA->m_pixmap = gdk_bitmap_create_from_data(
+ wxGetRootWindow()->window, bits, width, height);
+#endif
+ }
+}
-wxBitmap::wxBitmap( char **bits )
+wxBitmap::wxBitmap(const char* const* bits)
{
- m_refData = new wxBitmapRefData();
-
- GdkBitmap *mask = NULL;
+ wxCHECK2_MSG(bits != NULL, return, wxT("invalid bitmap data"));
-#ifndef USE_GDK_IMLIB
- M_BMPDATA->m_pixmap =
- gdk_pixmap_create_from_xpm_d( (GdkWindow*) &gdk_root_parent, &mask, NULL, (gchar **) bits );
+#if wxUSE_IMAGE
+ *this = wxBitmap(wxImage(bits));
+#elif defined __WXGTK3__
+ GdkPixbuf* pixbuf = gdk_pixbuf_new_from_xpm_data(const_cast<const char**>(bits));
+ if (pixbuf)
+ {
+ m_refData = new wxBitmapRefData(
+ gdk_pixbuf_get_width(pixbuf), gdk_pixbuf_get_height(pixbuf),
+ gdk_pixbuf_get_n_channels(pixbuf) * 8);
+ M_BMPDATA->m_pixbufNoMask = pixbuf;
+ wxASSERT(M_BMPDATA->m_bpp == 32 || !gdk_pixbuf_get_has_alpha(M_BMPDATA->m_pixbufNoMask));
+ }
#else
- M_BMPDATA->m_pixmap = NULL;
- int res = gdk_imlib_data_to_pixmap( bits, &M_BMPDATA->m_pixmap, &mask );
-#endif
-
- if (mask)
- {
- M_BMPDATA->m_mask = new wxMask();
- M_BMPDATA->m_mask->m_bitmap = mask;
- };
-
- gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
- M_BMPDATA->m_bpp = 24; // ?
-
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
-};
-
-wxBitmap::wxBitmap( const wxBitmap& bmp )
+ GdkBitmap* mask = NULL;
+ GdkPixmap* pixmap = gdk_pixmap_create_from_xpm_d(wxGetRootWindow()->window, &mask, NULL, const_cast<char**>(bits));
+ if (pixmap)
+ {
+ int width, height;
+ gdk_drawable_get_size(pixmap, &width, &height);
+ m_refData = new wxBitmapRefData(width, height, -1);
+ M_BMPDATA->m_pixmap = pixmap;
+ if (mask)
+ {
+ M_BMPDATA->m_mask = new wxMask(mask);
+ }
+ }
+#endif
+}
+
+wxBitmap::wxBitmap(GdkPixbuf* pixbuf)
{
- Ref( bmp );
-
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
-};
-
-wxBitmap::wxBitmap( const wxBitmap* bmp )
+ if (pixbuf)
+ {
+ wxBitmapRefData* bmpData = new wxBitmapRefData(
+ gdk_pixbuf_get_width(pixbuf), gdk_pixbuf_get_height(pixbuf),
+ gdk_pixbuf_get_n_channels(pixbuf) * 8);
+ m_refData = bmpData;
+#ifdef __WXGTK3__
+ bmpData->m_pixbufNoMask = pixbuf;
+#else
+ bmpData->m_pixbuf = pixbuf;
+#endif
+ }
+}
+
+wxBitmap::~wxBitmap()
{
- if (bmp) Ref( *bmp );
-
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
-};
+}
-wxBitmap::wxBitmap( const wxString &filename, const int type )
+bool wxBitmap::Create( int width, int height, int depth )
{
- LoadFile( filename, type );
-};
+ UnRef();
+ wxCHECK_MSG(width >= 0 && height >= 0, false, "invalid bitmap size");
+ m_refData = new wxBitmapRefData(width, height, depth);
+ return true;
+}
+
+#ifdef __WXGTK3__
+static void CopyImageData(
+ guchar* dst, int dstChannels, int dstStride,
+ const guchar* src, int srcChannels, int srcStride,
+ int w, int h)
+{
+ if (dstChannels == srcChannels)
+ {
+ if (dstStride == srcStride)
+ memcpy(dst, src, size_t(dstStride) * h);
+ else
+ {
+ const int stride = dstStride < srcStride ? dstStride : srcStride;
+ for (int j = 0; j < h; j++, src += srcStride, dst += dstStride)
+ memcpy(dst, src, stride);
+ }
+ }
+ else
+ {
+ for (int j = 0; j < h; j++, src += srcStride, dst += dstStride)
+ {
+ guchar* d = dst;
+ const guchar* s = src;
+ if (dstChannels == 4)
+ {
+ for (int i = 0; i < w; i++, d += 4, s += 3)
+ {
+ d[0] = s[0];
+ d[1] = s[1];
+ d[2] = s[2];
+ d[3] = 0xff;
+ }
+ }
+ else
+ {
+ for (int i = 0; i < w; i++, d += 3, s += 4)
+ {
+ d[0] = s[0];
+ d[1] = s[1];
+ d[2] = s[2];
+ }
+ }
+ }
+ }
+}
+#endif
-// CMB 15/5/98: add constructor for xbm bitmaps
-wxBitmap::wxBitmap( const char bits[], const int width, const int height, const int WXUNUSED(depth))
+#if wxUSE_IMAGE
+#ifdef __WXGTK3__
+wxBitmap::wxBitmap(const wxImage& image, int depth)
{
- m_refData = new wxBitmapRefData();
+ wxCHECK_RET(image.IsOk(), "invalid image");
- M_BMPDATA->m_mask = NULL;
- M_BMPDATA->m_bitmap =
- gdk_bitmap_create_from_data( (GdkWindow*) &gdk_root_parent, (gchar *) bits, width, height );
- gdk_window_get_size( M_BMPDATA->m_bitmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
- M_BMPDATA->m_bpp = 1;
+ const int w = image.GetWidth();
+ const int h = image.GetHeight();
+ const guchar* alpha = image.GetAlpha();
+ if (depth < 0)
+ depth = alpha ? 32 : 24;
+ else if (depth != 1 && depth != 32)
+ depth = 24;
+ wxBitmapRefData* bmpData = new wxBitmapRefData(w, h, depth);
+ m_refData = bmpData;
+ GdkPixbuf* pixbuf_dst = gdk_pixbuf_new(GDK_COLORSPACE_RGB, depth == 32, 8, w, h);
+ bmpData->m_pixbufNoMask = pixbuf_dst;
+ wxASSERT(bmpData->m_bpp == 32 || !gdk_pixbuf_get_has_alpha(bmpData->m_pixbufNoMask));
+ const guchar* src = image.GetData();
- if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+ guchar* dst = gdk_pixbuf_get_pixels(pixbuf_dst);
+ const int dstStride = gdk_pixbuf_get_rowstride(pixbuf_dst);
+ CopyImageData(dst, gdk_pixbuf_get_n_channels(pixbuf_dst), dstStride, src, 3, 3 * w, w, h);
+
+ if (depth == 32 && alpha)
+ {
+ for (int j = 0; j < h; j++, dst += dstStride)
+ for (int i = 0; i < w; i++)
+ dst[i * 4 + 3] = *alpha++;
+ }
+ if (image.HasMask())
+ {
+ const guchar r = image.GetMaskRed();
+ const guchar g = image.GetMaskGreen();
+ const guchar b = image.GetMaskBlue();
+ cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_A8, w, h);
+ const int stride = cairo_image_surface_get_stride(surface);
+ dst = cairo_image_surface_get_data(surface);
+ memset(dst, 0xff, stride * h);
+ for (int j = 0; j < h; j++, dst += stride)
+ for (int i = 0; i < w; i++, src += 3)
+ if (src[0] == r && src[1] == g && src[2] == b)
+ dst[i] = 0;
+ cairo_surface_mark_dirty(surface);
+ bmpData->m_mask = new wxMask(surface);
+ }
}
-
-wxBitmap::~wxBitmap(void)
+#else
+wxBitmap::wxBitmap(const wxImage& image, int depth)
{
- if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this);
-};
-
-wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
+ wxCHECK_RET(image.IsOk(), "invalid image");
+
+ if (depth == 32 || (depth == -1 && image.HasAlpha()))
+ CreateFromImageAsPixbuf(image);
+ else
+ // otherwise create pixmap, if alpha is present it will be converted to mask
+ CreateFromImageAsPixmap(image, depth);
+}
+
+bool wxBitmap::CreateFromImageAsPixmap(const wxImage& image, int depth)
{
- if (*this == bmp) return (*this);
- Ref( bmp );
- return *this;
-};
-
-bool wxBitmap::operator == ( const wxBitmap& bmp )
+ const int w = image.GetWidth();
+ const int h = image.GetHeight();
+ if (depth == 1)
+ {
+ // create XBM format bitmap
+
+ // one bit per pixel, each row starts on a byte boundary
+ const size_t out_size = size_t((w + 7) / 8) * unsigned(h);
+ wxByte* out = new wxByte[out_size];
+ // set bits are black
+ memset(out, 0xff, out_size);
+ const wxByte* in = image.GetData();
+ unsigned bit_index = 0;
+ for (int y = 0; y < h; y++)
+ {
+ for (int x = 0; x < w; x++, in += 3, bit_index++)
+ if (in[0] == 255 && in[1] == 255 && in[2] == 255)
+ out[bit_index >> 3] ^= 1 << (bit_index & 7);
+ // move index to next byte boundary
+ bit_index = (bit_index + 7) & ~7u;
+ }
+ SetPixmap(gdk_bitmap_create_from_data(wxGetRootWindow()->window, (char*)out, w, h));
+ delete[] out;
+
+ if (!M_BMPDATA) // SetPixmap may have failed
+ return false;
+ }
+ else
+ {
+ SetPixmap(gdk_pixmap_new(wxGetRootWindow()->window, w, h, depth));
+ if (!M_BMPDATA)
+ return false;
+
+ wxGtkObject<GdkGC> gc(gdk_gc_new(M_BMPDATA->m_pixmap));
+ gdk_draw_rgb_image(
+ M_BMPDATA->m_pixmap, gc,
+ 0, 0, w, h,
+ GDK_RGB_DITHER_NONE, image.GetData(), w * 3);
+ }
+
+ const wxByte* alpha = image.GetAlpha();
+ if (alpha != NULL || image.HasMask())
+ {
+ // create mask as XBM format bitmap
+
+ const size_t out_size = size_t((w + 7) / 8) * unsigned(h);
+ wxByte* out = new wxByte[out_size];
+ memset(out, 0xff, out_size);
+ unsigned bit_index = 0;
+ if (alpha != NULL)
+ {
+ for (int y = 0; y < h; y++)
+ {
+ for (int x = 0; x < w; x++, bit_index++)
+ if (*alpha++ < wxIMAGE_ALPHA_THRESHOLD)
+ out[bit_index >> 3] ^= 1 << (bit_index & 7);
+ bit_index = (bit_index + 7) & ~7u;
+ }
+ }
+ else
+ {
+ const wxByte r_mask = image.GetMaskRed();
+ const wxByte g_mask = image.GetMaskGreen();
+ const wxByte b_mask = image.GetMaskBlue();
+ const wxByte* in = image.GetData();
+ for (int y = 0; y < h; y++)
+ {
+ for (int x = 0; x < w; x++, in += 3, bit_index++)
+ if (in[0] == r_mask && in[1] == g_mask && in[2] == b_mask)
+ out[bit_index >> 3] ^= 1 << (bit_index & 7);
+ bit_index = (bit_index + 7) & ~7u;
+ }
+ }
+ SetMask(new wxMask(gdk_bitmap_create_from_data(M_BMPDATA->m_pixmap, (char*)out, w, h)));
+ delete[] out;
+ }
+ return IsOk();
+}
+
+bool wxBitmap::CreateFromImageAsPixbuf(const wxImage& image)
{
- return m_refData == bmp.m_refData;
-};
-
-bool wxBitmap::operator != ( const wxBitmap& bmp )
+ int width = image.GetWidth();
+ int height = image.GetHeight();
+
+ Create(width, height, 32);
+ GdkPixbuf* pixbuf = GetPixbuf();
+ if (!pixbuf)
+ return false;
+
+ // Copy the data:
+ const unsigned char* in = image.GetData();
+ unsigned char *out = gdk_pixbuf_get_pixels(pixbuf);
+ unsigned char *alpha = image.GetAlpha();
+
+ int rowpad = gdk_pixbuf_get_rowstride(pixbuf) - 4 * width;
+
+ for (int y = 0; y < height; y++, out += rowpad)
+ {
+ for (int x = 0; x < width; x++, out += 4, in += 3)
+ {
+ out[0] = in[0];
+ out[1] = in[1];
+ out[2] = in[2];
+ if (alpha)
+ out[3] = *alpha++;
+ }
+ }
+
+ return true;
+}
+#endif
+
+wxImage wxBitmap::ConvertToImage() const
{
- return m_refData != bmp.m_refData;
-};
-
-bool wxBitmap::Ok(void) const
+#ifdef __WXGTK3__
+ wxImage image;
+ wxCHECK_MSG(IsOk(), image, "invalid bitmap");
+ wxBitmapRefData* bmpData = M_BMPDATA;
+ const int w = bmpData->m_width;
+ const int h = bmpData->m_height;
+ image.Create(w, h, false);
+ guchar* dst = image.GetData();
+ GdkPixbuf* pixbuf_src = NULL;
+ if (bmpData->m_pixbufNoMask)
+ pixbuf_src = bmpData->m_pixbufNoMask;
+ else if (bmpData->m_surface)
+ {
+ pixbuf_src = gdk_pixbuf_get_from_surface(bmpData->m_surface, 0, 0, w, h);
+ bmpData->m_pixbufNoMask = pixbuf_src;
+ wxASSERT(bmpData->m_bpp == 32 || !gdk_pixbuf_get_has_alpha(bmpData->m_pixbufNoMask));
+ }
+ if (pixbuf_src)
+ {
+ const guchar* src = gdk_pixbuf_get_pixels(pixbuf_src);
+ const int srcStride = gdk_pixbuf_get_rowstride(pixbuf_src);
+ const int srcChannels = gdk_pixbuf_get_n_channels(pixbuf_src);
+ CopyImageData(dst, 3, 3 * w, src, srcChannels, srcStride, w, h);
+
+ if (srcChannels == 4)
+ {
+ image.SetAlpha();
+ guchar* alpha = image.GetAlpha();
+ for (int j = 0; j < h; j++, src += srcStride)
+ {
+ const guchar* s = src;
+ for (int i = 0; i < w; i++, s += 4)
+ *alpha++ = s[3];
+ }
+ }
+ }
+ cairo_surface_t* maskSurf = NULL;
+ if (bmpData->m_mask)
+ maskSurf = bmpData->m_mask->GetBitmap();
+ if (maskSurf)
+ {
+ const guchar r = 1;
+ const guchar g = 2;
+ const guchar b = 3;
+ image.SetMaskColour(r, g, b);
+ wxASSERT(cairo_image_surface_get_format(maskSurf) == CAIRO_FORMAT_A8);
+ const int stride = cairo_image_surface_get_stride(maskSurf);
+ const guchar* src = cairo_image_surface_get_data(maskSurf);
+ for (int j = 0; j < h; j++, src += stride)
+ {
+ for (int i = 0; i < w; i++, dst += 3)
+ if (src[i] == 0)
+ {
+ dst[0] = r;
+ dst[1] = g;
+ dst[2] = b;
+ }
+ else if (dst[0] == r && dst[1] == g && dst[2] == b)
+ dst[2]--;
+ }
+ }
+#else
+ wxCHECK_MSG( IsOk(), wxNullImage, wxT("invalid bitmap") );
+
+ const int w = GetWidth();
+ const int h = GetHeight();
+ wxImage image(w, h, false);
+ unsigned char *data = image.GetData();
+
+ wxCHECK_MSG(data != NULL, wxNullImage, wxT("couldn't create image") );
+
+ // prefer pixbuf if available, it will preserve alpha and should be quicker
+ if (HasPixbuf())
+ {
+ GdkPixbuf *pixbuf = GetPixbuf();
+ unsigned char* alpha = NULL;
+ if (gdk_pixbuf_get_has_alpha(pixbuf))
+ {
+ image.SetAlpha();
+ alpha = image.GetAlpha();
+ }
+ const unsigned char* in = gdk_pixbuf_get_pixels(pixbuf);
+ unsigned char *out = data;
+ const int inc = 3 + int(alpha != NULL);
+ const int rowpad = gdk_pixbuf_get_rowstride(pixbuf) - inc * w;
+
+ for (int y = 0; y < h; y++, in += rowpad)
+ {
+ for (int x = 0; x < w; x++, in += inc, out += 3)
+ {
+ out[0] = in[0];
+ out[1] = in[1];
+ out[2] = in[2];
+ if (alpha != NULL)
+ *alpha++ = in[3];
+ }
+ }
+ }
+ else
+ {
+ GdkPixmap* pixmap = GetPixmap();
+ GdkPixmap* pixmap_invert = NULL;
+ if (GetDepth() == 1)
+ {
+ // mono bitmaps are inverted, i.e. 0 is white
+ pixmap_invert = gdk_pixmap_new(pixmap, w, h, 1);
+ wxGtkObject<GdkGC> gc(gdk_gc_new(pixmap_invert));
+ gdk_gc_set_function(gc, GDK_COPY_INVERT);
+ gdk_draw_drawable(pixmap_invert, gc, pixmap, 0, 0, 0, 0, w, h);
+ pixmap = pixmap_invert;
+ }
+ // create a pixbuf which shares data with the wxImage
+ GdkPixbuf* pixbuf = gdk_pixbuf_new_from_data(
+ data, GDK_COLORSPACE_RGB, false, 8, w, h, 3 * w, NULL, NULL);
+
+ gdk_pixbuf_get_from_drawable(pixbuf, pixmap, NULL, 0, 0, 0, 0, w, h);
+
+ g_object_unref(pixbuf);
+ if (pixmap_invert != NULL)
+ g_object_unref(pixmap_invert);
+ }
+ // convert mask, unless there is already alpha
+ if (GetMask() && !image.HasAlpha())
+ {
+ // we hard code the mask colour for now but we could also make an
+ // effort (and waste time) to choose a colour not present in the
+ // image already to avoid having to fudge the pixels below --
+ // whether it's worth to do it is unclear however
+ const int MASK_RED = 1;
+ const int MASK_GREEN = 2;
+ const int MASK_BLUE = 3;
+ const int MASK_BLUE_REPLACEMENT = 2;
+
+ image.SetMaskColour(MASK_RED, MASK_GREEN, MASK_BLUE);
+ GdkImage* image_mask = gdk_drawable_get_image(GetMask()->GetBitmap(), 0, 0, w, h);
+
+ for (int y = 0; y < h; y++)
+ {
+ for (int x = 0; x < w; x++, data += 3)
+ {
+ if (gdk_image_get_pixel(image_mask, x, y) == 0)
+ {
+ data[0] = MASK_RED;
+ data[1] = MASK_GREEN;
+ data[2] = MASK_BLUE;
+ }
+ else if (data[0] == MASK_RED && data[1] == MASK_GREEN && data[2] == MASK_BLUE)
+ {
+ // we have to fudge the colour a bit to prevent
+ // this pixel from appearing transparent
+ data[2] = MASK_BLUE_REPLACEMENT;
+ }
+ }
+ }
+ g_object_unref(image_mask);
+ }
+#endif
+
+ return image;
+}
+
+#endif // wxUSE_IMAGE
+
+int wxBitmap::GetHeight() const
{
- return m_refData != NULL;
-};
-
-int wxBitmap::GetHeight(void) const
+ wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );
+
+ return M_BMPDATA->m_height;
+}
+
+int wxBitmap::GetWidth() const
{
- if (!Ok()) return 0;
- return M_BMPDATA->m_height;
-};
+ wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );
+
+ return M_BMPDATA->m_width;
+}
-int wxBitmap::GetWidth(void) const
+int wxBitmap::GetDepth() const
{
- if (!Ok()) return 0;
- return M_BMPDATA->m_width;
-};
+ wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );
-int wxBitmap::GetDepth(void) const
+ return M_BMPDATA->m_bpp;
+}
+
+wxMask *wxBitmap::GetMask() const
{
- if (!Ok()) return 0;
- return M_BMPDATA->m_bpp;
-};
+ wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") );
-void wxBitmap::SetHeight( const int height )
+ return M_BMPDATA->m_mask;
+}
+
+void wxBitmap::SetMask( wxMask *mask )
{
- if (!Ok()) return;
- M_BMPDATA->m_height = height;
-};
+ wxCHECK_RET( IsOk(), wxT("invalid bitmap") );
-void wxBitmap::SetWidth( const int width )
+ AllocExclusive();
+ delete M_BMPDATA->m_mask;
+ M_BMPDATA->m_mask = mask;
+}
+
+wxBitmap wxBitmap::GetMaskBitmap() const
{
- if (!Ok()) return;
- M_BMPDATA->m_width = width;
-};
+ wxBitmap bitmap;
+ wxBitmapRefData* bmpData = M_BMPDATA;
+#ifdef __WXGTK3__
+ cairo_surface_t* mask = NULL;
+ if (bmpData && bmpData->m_mask)
+ mask = bmpData->m_mask->GetBitmap();
+ if (mask)
+ {
+ const int w = cairo_image_surface_get_width(mask);
+ const int h = cairo_image_surface_get_height(mask);
+ GdkPixbuf* pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, false, 8, w, h);
+ const guchar* src = cairo_image_surface_get_data(mask);
+ guchar* dst = gdk_pixbuf_get_pixels(pixbuf);
+ const int stride_src = cairo_image_surface_get_stride(mask);
+ const int stride_dst = gdk_pixbuf_get_rowstride(pixbuf);
+ for (int j = 0; j < h; j++, src += stride_src, dst += stride_dst)
+ {
+ guchar* d = dst;
+ for (int i = 0; i < w; i++, d += 3)
+ {
+ d[0] = src[i];
+ d[1] = src[i];
+ d[2] = src[i];
+ }
+ }
+ bitmap = wxBitmap(pixbuf);
+ }
+#else
+ GdkPixmap* mask = NULL;
+ if (bmpData && bmpData->m_mask)
+ mask = bmpData->m_mask->GetBitmap();
+ if (mask)
+ {
+ int w, h;
+ gdk_drawable_get_size(mask, &w, &h);
+ GdkPixbuf* pixbuf = gdk_pixbuf_get_from_drawable(
+ NULL, mask, NULL, 0, 0, 0, 0, w, h);
+ bitmap = wxBitmap(pixbuf);
+ }
+#endif
+ return bitmap;
+}
-void wxBitmap::SetDepth( const int depth )
+bool wxBitmap::CopyFromIcon(const wxIcon& icon)
{
- if (!Ok()) return;
- M_BMPDATA->m_bpp = depth;
-};
+ *this = icon;
+ return IsOk();
+}
-wxMask *wxBitmap::GetMask(void) const
+#ifdef __WXGTK3__
+static cairo_surface_t* GetSubSurface(cairo_surface_t* surface, const wxRect& rect)
{
- if (!Ok()) return NULL;
- return M_BMPDATA->m_mask;
-};
+ cairo_surface_flush(surface);
+ const cairo_format_t format = cairo_image_surface_get_format(surface);
+ int x = rect.x;
+ if (format != CAIRO_FORMAT_A8)
+ x *= 4;
+ cairo_surface_t* subSurface = cairo_image_surface_create(format, rect.width, rect.height);
+ const int srcStride = cairo_image_surface_get_stride(surface);
+ const int dstStride = cairo_image_surface_get_stride(subSurface);
+ const guchar* src = cairo_image_surface_get_data(surface) + rect.y * srcStride + x;
+ guchar* dst = cairo_image_surface_get_data(subSurface);
+ for (int j = 0; j < rect.height; j++, src += srcStride, dst += dstStride)
+ memcpy(dst, src, dstStride);
+ cairo_surface_mark_dirty(subSurface);
+ return subSurface;
+}
+#endif
-void wxBitmap::SetMask( wxMask *mask )
+wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
{
- if (!Ok()) return;
- if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
- M_BMPDATA->m_mask = mask;
-};
+ wxBitmap ret;
+
+ wxCHECK_MSG(IsOk(), ret, wxT("invalid bitmap"));
+
+ const int w = rect.width;
+ const int h = rect.height;
+ const wxBitmapRefData* bmpData = M_BMPDATA;
+
+ wxCHECK_MSG(rect.x >= 0 && rect.y >= 0 &&
+ rect.x + w <= bmpData->m_width &&
+ rect.y + h <= bmpData->m_height,
+ ret, wxT("invalid bitmap region"));
+
+ wxBitmapRefData * const newRef = new wxBitmapRefData(w, h, bmpData->m_bpp);
+ ret.m_refData = newRef;
+
+#ifdef __WXGTK3__
+ if (bmpData->m_pixbufNoMask)
+ {
+ GdkPixbuf* pixbuf = gdk_pixbuf_new_subpixbuf(bmpData->m_pixbufNoMask, rect.x, rect.y, w, h);
+ newRef->m_pixbufNoMask = gdk_pixbuf_copy(pixbuf);
+ wxASSERT(newRef->m_bpp == 32 || !gdk_pixbuf_get_has_alpha(newRef->m_pixbufNoMask));
+ g_object_unref(pixbuf);
+ }
+ else if (bmpData->m_surface)
+ newRef->m_surface = GetSubSurface(bmpData->m_surface, rect);
-bool wxBitmap::SaveFile( const wxString &WXUNUSED(name), const int WXUNUSED(type),
- wxPalette *WXUNUSED(palette) )
+ cairo_surface_t* maskSurf = NULL;
+ if (bmpData->m_mask)
+ maskSurf = bmpData->m_mask->GetBitmap();
+ if (maskSurf)
+ {
+ newRef->m_mask = new wxMask(GetSubSurface(maskSurf, rect));
+ }
+#else
+ if (bmpData->m_pixbuf)
+ {
+ GdkPixbuf* pixbuf =
+ gdk_pixbuf_new_subpixbuf(bmpData->m_pixbuf, rect.x, rect.y, w, h);
+ newRef->m_pixbuf = gdk_pixbuf_copy(pixbuf);
+ g_object_unref(pixbuf);
+ }
+ if (bmpData->m_pixmap)
+ {
+ newRef->m_pixmap = gdk_pixmap_new(bmpData->m_pixmap, w, h, -1);
+ GdkGC* gc = gdk_gc_new(newRef->m_pixmap);
+ gdk_draw_drawable(
+ newRef->m_pixmap, gc, bmpData->m_pixmap, rect.x, rect.y, 0, 0, w, h);
+ g_object_unref(gc);
+ }
+ GdkPixmap* mask = NULL;
+ if (bmpData->m_mask)
+ mask = bmpData->m_mask->GetBitmap();
+ if (mask)
+ {
+ GdkPixmap* sub_mask = gdk_pixmap_new(mask, w, h, 1);
+ newRef->m_mask = new wxMask(sub_mask);
+ GdkGC* gc = gdk_gc_new(sub_mask);
+ gdk_draw_drawable(
+ sub_mask, gc, mask, rect.x, rect.y, 0, 0, w, h);
+ g_object_unref(gc);
+ }
+#endif
+
+ return ret;
+}
+
+bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type, const wxPalette *WXUNUSED(palette) ) const
{
- return FALSE;
-};
+ wxCHECK_MSG( IsOk(), false, wxT("invalid bitmap") );
+
+#if wxUSE_IMAGE
+ wxImage image = ConvertToImage();
+ if (image.IsOk() && image.SaveFile(name, type))
+ return true;
+#endif
+ const char* type_name = NULL;
+ switch (type)
+ {
+ case wxBITMAP_TYPE_BMP: type_name = "bmp"; break;
+ case wxBITMAP_TYPE_ICO: type_name = "ico"; break;
+ case wxBITMAP_TYPE_JPEG: type_name = "jpeg"; break;
+ case wxBITMAP_TYPE_PNG: type_name = "png"; break;
+ default: break;
+ }
+ return type_name &&
+ gdk_pixbuf_save(GetPixbuf(), wxGTK_CONV_FN(name), type_name, NULL, NULL);
+}
+
+bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type )
+{
+#if wxUSE_IMAGE
+ wxImage image;
+ if (image.LoadFile(name, type) && image.IsOk())
+ *this = wxBitmap(image);
+ else
+#endif
+ {
+ wxUnusedVar(type); // The type is detected automatically by GDK.
+
+ *this = wxBitmap(gdk_pixbuf_new_from_file(wxGTK_CONV_FN(name), NULL));
+ }
+
+ return IsOk();
+}
+
+#if wxUSE_PALETTE
+wxPalette *wxBitmap::GetPalette() const
+{
+ return NULL;
+}
-bool wxBitmap::LoadFile( const wxString &name, const int WXUNUSED(type) )
+void wxBitmap::SetPalette(const wxPalette& WXUNUSED(palette))
{
-#ifdef USE_GDK_IMLIB
+ // TODO
+}
+#endif // wxUSE_PALETTE
- UnRef();
- m_refData = new wxBitmapRefData();
- M_BMPDATA->m_mask = NULL;
+void wxBitmap::SetHeight( int height )
+{
+ AllocExclusive();
+ M_BMPDATA->m_height = height;
+}
- GdkBitmap *mask = NULL;
-
- int res = gdk_imlib_load_file_to_pixmap( WXSTRINGCAST name, &M_BMPDATA->m_pixmap, &mask );
+void wxBitmap::SetWidth( int width )
+{
+ AllocExclusive();
+ M_BMPDATA->m_width = width;
+}
- if (res != 1)
- {
+void wxBitmap::SetDepth( int depth )
+{
+ AllocExclusive();
+ M_BMPDATA->m_bpp = depth;
+}
+
+#ifndef __WXGTK3__
+void wxBitmap::SetPixmap( GdkPixmap *pixmap )
+{
UnRef();
- return FALSE;
- };
-
- if (mask)
- {
- M_BMPDATA->m_mask = new wxMask();
- M_BMPDATA->m_mask->m_bitmap = mask;
- }
-
- gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
- M_BMPDATA->m_bpp = 24; // ?
-
- return TRUE;
-#endif
-
- return FALSE;
-};
-
-wxPalette *wxBitmap::GetPalette(void) const
+
+ if (!pixmap)
+ return;
+
+ int w, h;
+ gdk_drawable_get_size(pixmap, &w, &h);
+ wxBitmapRefData* bmpData = new wxBitmapRefData(w, h, 0);
+ m_refData = bmpData;
+ bmpData->m_pixmap = pixmap;
+ bmpData->m_bpp = gdk_drawable_get_depth(pixmap);
+}
+
+GdkPixmap *wxBitmap::GetPixmap() const
{
- if (!Ok()) return NULL;
- return M_BMPDATA->m_palette;
-};
+ wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") );
+
+ wxBitmapRefData* bmpData = M_BMPDATA;
+ if (bmpData->m_pixmap)
+ return bmpData->m_pixmap;
+
+ if (bmpData->m_pixbuf)
+ {
+ GdkPixmap* pixmap = NULL;
+ GdkPixmap** mask_pixmap = NULL;
+ if (gdk_pixbuf_get_has_alpha(bmpData->m_pixbuf))
+ {
+ // make new mask from alpha
+ mask_pixmap = &pixmap;
+ }
+ gdk_pixbuf_render_pixmap_and_mask(
+ bmpData->m_pixbuf, &bmpData->m_pixmap, mask_pixmap, 128);
+ if (pixmap)
+ {
+ delete bmpData->m_mask;
+ bmpData->m_mask = new wxMask(pixmap);
+ }
+ }
+ else
+ {
+ bmpData->m_pixmap = gdk_pixmap_new(wxGetRootWindow()->window,
+ bmpData->m_width, bmpData->m_height, bmpData->m_bpp == 1 ? 1 : -1);
+ }
+ return bmpData->m_pixmap;
+}
-GdkPixmap *wxBitmap::GetPixmap(void) const
+bool wxBitmap::HasPixmap() const
{
- if (!Ok()) return NULL;
- return M_BMPDATA->m_pixmap;
-};
-
-GdkBitmap *wxBitmap::GetBitmap(void) const
+ wxCHECK_MSG( IsOk(), false, wxT("invalid bitmap") );
+
+ return M_BMPDATA->m_pixmap != NULL;
+}
+#endif
+
+#ifdef __WXGTK3__
+GdkPixbuf* wxBitmap::GetPixbufNoMask() const
{
- if (!Ok()) return NULL;
- return M_BMPDATA->m_bitmap;
-};
-
+ wxCHECK_MSG(IsOk(), NULL, "invalid bitmap");
+
+ wxBitmapRefData* bmpData = M_BMPDATA;
+ GdkPixbuf* pixbuf = bmpData->m_pixbufNoMask;
+ if (pixbuf)
+ return pixbuf;
+
+ const int w = bmpData->m_width;
+ const int h = bmpData->m_height;
+ if (bmpData->m_surface)
+ pixbuf = gdk_pixbuf_get_from_surface(bmpData->m_surface, 0, 0, w, h);
+ else
+ pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, bmpData->m_bpp == 32, 8, w, h);
+ bmpData->m_pixbufNoMask = pixbuf;
+ wxASSERT(bmpData->m_bpp == 32 || !gdk_pixbuf_get_has_alpha(bmpData->m_pixbufNoMask));
+
+ return pixbuf;
+}
+
+// helper to set up a simulated depth 1 surface
+static void SetSourceSurface1(const wxBitmapRefData* bmpData, cairo_t* cr, int x, int y, const wxColour* fg, const wxColour* bg)
+{
+ GdkPixbuf* pixbuf = gdk_pixbuf_copy(bmpData->m_pixbufNoMask);
+ const int w = bmpData->m_width;
+ const int h = bmpData->m_height;
+ const int stride = gdk_pixbuf_get_rowstride(pixbuf);
+ const int channels = gdk_pixbuf_get_n_channels(pixbuf);
+ guchar* dst = gdk_pixbuf_get_pixels(pixbuf);
+ guchar fg_r = 0, fg_g = 0, fg_b = 0;
+ if (fg && fg->IsOk())
+ {
+ fg_r = fg->Red();
+ fg_g = fg->Green();
+ fg_b = fg->Blue();
+ }
+ guchar bg_r = 255, bg_g = 255, bg_b = 255;
+ if (bg && bg->IsOk())
+ {
+ bg_r = bg->Red();
+ bg_g = bg->Green();
+ bg_b = bg->Blue();
+ }
+ for (int j = 0; j < h; j++, dst += stride)
+ {
+ guchar* d = dst;
+ for (int i = 0; i < w; i++, d += channels)
+ if (d[0])
+ {
+ d[0] = bg_r;
+ d[1] = bg_g;
+ d[2] = bg_b;
+ }
+ else
+ {
+ d[0] = fg_r;
+ d[1] = fg_g;
+ d[2] = fg_b;
+ }
+ }
+ gdk_cairo_set_source_pixbuf(cr, pixbuf, x, y);
+ g_object_unref(pixbuf);
+}
+
+void wxBitmap::SetSourceSurface(cairo_t* cr, int x, int y, const wxColour* fg, const wxColour* bg) const
+{
+ wxBitmapRefData* bmpData = M_BMPDATA;
+ if (bmpData->m_surface)
+ {
+ cairo_set_source_surface(cr, bmpData->m_surface, x, y);
+ return;
+ }
+ wxCHECK_RET(bmpData->m_pixbufNoMask, "no bitmap data");
+ if (bmpData->m_bpp == 1)
+ SetSourceSurface1(bmpData, cr, x, y, fg, bg);
+ else
+ {
+ gdk_cairo_set_source_pixbuf(cr, bmpData->m_pixbufNoMask, x, y);
+ cairo_pattern_get_surface(cairo_get_source(cr), &bmpData->m_surface);
+ cairo_surface_reference(bmpData->m_surface);
+ }
+}
+
+cairo_t* wxBitmap::CairoCreate() const
+{
+ wxCHECK_MSG(IsOk(), NULL, "invalid bitmap");
+
+ wxBitmapRefData* bmpData = M_BMPDATA;
+ cairo_t* cr;
+ if (bmpData->m_surface)
+ cr = cairo_create(bmpData->m_surface);
+ else
+ {
+ GdkPixbuf* pixbuf = bmpData->m_pixbufNoMask;
+ const bool useAlpha = bmpData->m_bpp == 32 || (pixbuf && gdk_pixbuf_get_has_alpha(pixbuf));
+ bmpData->m_surface = cairo_image_surface_create(
+ useAlpha ? CAIRO_FORMAT_ARGB32 : CAIRO_FORMAT_RGB24,
+ bmpData->m_width, bmpData->m_height);
+ cr = cairo_create(bmpData->m_surface);
+ if (pixbuf)
+ {
+ gdk_cairo_set_source_pixbuf(cr, pixbuf, 0, 0);
+ cairo_paint(cr);
+ cairo_set_source_rgb(cr, 0, 0, 0);
+ }
+ }
+ if (bmpData->m_pixbufNoMask)
+ {
+ g_object_unref(bmpData->m_pixbufNoMask);
+ bmpData->m_pixbufNoMask = NULL;
+ }
+ if (bmpData->m_pixbufMask)
+ {
+ g_object_unref(bmpData->m_pixbufMask);
+ bmpData->m_pixbufMask = NULL;
+ }
+ wxASSERT(cr && cairo_status(cr) == 0);
+ return cr;
+}
+
+void wxBitmap::Draw(cairo_t* cr, int x, int y, bool useMask, const wxColour* fg, const wxColour* bg) const
+{
+ wxCHECK_RET(IsOk(), "invalid bitmap");
+
+ wxBitmapRefData* bmpData = M_BMPDATA;
+ SetSourceSurface(cr, x, y, fg, bg);
+ cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_NEAREST);
+ cairo_surface_t* mask = NULL;
+ if (useMask && bmpData->m_mask)
+ mask = bmpData->m_mask->GetBitmap();
+ if (mask)
+ cairo_mask_surface(cr, mask, x, y);
+ else
+ cairo_paint(cr);
+}
+#endif
+
+GdkPixbuf *wxBitmap::GetPixbuf() const
+{
+ wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") );
+
+ wxBitmapRefData* bmpData = M_BMPDATA;
+#ifdef __WXGTK3__
+ if (bmpData->m_pixbufMask)
+ return bmpData->m_pixbufMask;
+
+ if (bmpData->m_pixbufNoMask == NULL)
+ GetPixbufNoMask();
+ cairo_surface_t* mask = NULL;
+ if (bmpData->m_mask)
+ mask = bmpData->m_mask->GetBitmap();
+ if (mask == NULL)
+ return bmpData->m_pixbufNoMask;
+
+ const int w = bmpData->m_width;
+ const int h = bmpData->m_height;
+ bmpData->m_pixbufMask = gdk_pixbuf_new(GDK_COLORSPACE_RGB, true, 8, w, h);
+
+ guchar* dst = gdk_pixbuf_get_pixels(bmpData->m_pixbufMask);
+ const int dstStride = gdk_pixbuf_get_rowstride(bmpData->m_pixbufMask);
+ CopyImageData(dst, 4, dstStride,
+ gdk_pixbuf_get_pixels(bmpData->m_pixbufNoMask),
+ gdk_pixbuf_get_n_channels(bmpData->m_pixbufNoMask),
+ gdk_pixbuf_get_rowstride(bmpData->m_pixbufNoMask),
+ w, h);
+
+ const guchar* src = cairo_image_surface_get_data(mask);
+ const int srcStride = cairo_image_surface_get_stride(mask);
+ for (int j = 0; j < h; j++, src += srcStride, dst += dstStride)
+ for (int i = 0; i < w; i++)
+ if (src[i] == 0)
+ dst[i * 4 + 3] = 0;
+
+ return bmpData->m_pixbufMask;
+#else
+ if (bmpData->m_pixbuf)
+ return bmpData->m_pixbuf;
+
+ const int w = bmpData->m_width;
+ const int h = bmpData->m_height;
+ GdkPixmap* mask = NULL;
+ if (bmpData->m_mask)
+ mask = bmpData->m_mask->GetBitmap();
+ const bool useAlpha = bmpData->m_alphaRequested || mask;
+ bmpData->m_pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, useAlpha, 8, w, h);
+ if (bmpData->m_pixmap)
+ PixmapToPixbuf(bmpData->m_pixmap, bmpData->m_pixbuf, w, h);
+ if (mask)
+ MaskToAlpha(mask, bmpData->m_pixbuf, w, h);
+ return bmpData->m_pixbuf;
+#endif
+}
+
+#ifndef __WXGTK3__
+bool wxBitmap::HasPixbuf() const
+{
+ wxCHECK_MSG( IsOk(), false, wxT("invalid bitmap") );
+
+ return M_BMPDATA->m_pixbuf != NULL;
+}
+
+void wxBitmap::PurgeOtherRepresentations(wxBitmap::Representation keep)
+{
+ if (keep == Pixmap && HasPixbuf())
+ {
+ g_object_unref (M_BMPDATA->m_pixbuf);
+ M_BMPDATA->m_pixbuf = NULL;
+ }
+ if (keep == Pixbuf && HasPixmap())
+ {
+ g_object_unref (M_BMPDATA->m_pixmap);
+ M_BMPDATA->m_pixmap = NULL;
+ }
+}
+#endif
+
+#ifdef wxHAS_RAW_BITMAP
+void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)
+{
+ void* bits = NULL;
+#ifdef __WXGTK3__
+ GdkPixbuf* pixbuf = GetPixbufNoMask();
+ if ((bpp == 32) == (gdk_pixbuf_get_has_alpha(pixbuf) != 0))
+ {
+ bits = gdk_pixbuf_get_pixels(pixbuf);
+ wxBitmapRefData* bmpData = M_BMPDATA;
+ data.m_width = bmpData->m_width;
+ data.m_height = bmpData->m_height;
+ data.m_stride = gdk_pixbuf_get_rowstride(pixbuf);
+ if (bmpData->m_pixbufMask)
+ {
+ g_object_unref(bmpData->m_pixbufMask);
+ bmpData->m_pixbufMask = NULL;
+ }
+ if (bmpData->m_surface)
+ {
+ cairo_surface_destroy(bmpData->m_surface);
+ bmpData->m_surface = NULL;
+ }
+ }
+#else
+ GdkPixbuf *pixbuf = GetPixbuf();
+ const bool hasAlpha = HasAlpha();
+
+ // allow access if bpp is valid and matches existence of alpha
+ if ( pixbuf && ((bpp == 24 && !hasAlpha) || (bpp == 32 && hasAlpha)) )
+ {
+ data.m_height = gdk_pixbuf_get_height( pixbuf );
+ data.m_width = gdk_pixbuf_get_width( pixbuf );
+ data.m_stride = gdk_pixbuf_get_rowstride( pixbuf );
+ bits = gdk_pixbuf_get_pixels(pixbuf);
+ }
+#endif
+ return bits;
+}
+
+void wxBitmap::UngetRawData(wxPixelDataBase& WXUNUSED(data))
+{
+}
+#endif // wxHAS_RAW_BITMAP
+
+bool wxBitmap::HasAlpha() const
+{
+ const wxBitmapRefData* bmpData = M_BMPDATA;
+#ifdef __WXGTK3__
+ return bmpData && bmpData->m_bpp == 32;
+#else
+ return bmpData && (bmpData->m_alphaRequested ||
+ (bmpData->m_pixbuf && gdk_pixbuf_get_has_alpha(bmpData->m_pixbuf)));
+#endif
+}
+
+wxGDIRefData* wxBitmap::CreateGDIRefData() const
+{
+ return new wxBitmapRefData(0, 0, 0);
+}
+
+wxGDIRefData* wxBitmap::CloneGDIRefData(const wxGDIRefData* data) const
+{
+ const wxBitmapRefData* oldRef = static_cast<const wxBitmapRefData*>(data);
+ wxBitmapRefData * const newRef = new wxBitmapRefData(oldRef->m_width,
+ oldRef->m_height,
+ oldRef->m_bpp);
+#ifdef __WXGTK3__
+ if (oldRef->m_pixbufNoMask)
+ newRef->m_pixbufNoMask = gdk_pixbuf_copy(oldRef->m_pixbufNoMask);
+ if (oldRef->m_surface)
+ {
+ const int w = oldRef->m_width;
+ const int h = oldRef->m_height;
+ cairo_surface_t* surface = cairo_image_surface_create(
+ cairo_image_surface_get_format(oldRef->m_surface), w, h);
+ newRef->m_surface = surface;
+ cairo_surface_flush(oldRef->m_surface);
+ const guchar* src = cairo_image_surface_get_data(oldRef->m_surface);
+ guchar* dst = cairo_image_surface_get_data(surface);
+ const int stride = cairo_image_surface_get_stride(surface);
+ wxASSERT(stride == cairo_image_surface_get_stride(oldRef->m_surface));
+ memcpy(dst, src, stride * h);
+ cairo_surface_mark_dirty(surface);
+ }
+#else
+ if (oldRef->m_pixmap != NULL)
+ {
+ newRef->m_pixmap = gdk_pixmap_new(
+ oldRef->m_pixmap, oldRef->m_width, oldRef->m_height,
+ // use pixmap depth, m_bpp may not match
+ gdk_drawable_get_depth(oldRef->m_pixmap));
+ wxGtkObject<GdkGC> gc(gdk_gc_new(newRef->m_pixmap));
+ gdk_draw_drawable(
+ newRef->m_pixmap, gc, oldRef->m_pixmap, 0, 0, 0, 0, -1, -1);
+ }
+ if (oldRef->m_pixbuf != NULL)
+ {
+ newRef->m_pixbuf = gdk_pixbuf_copy(oldRef->m_pixbuf);
+ }
+#endif
+ if (oldRef->m_mask != NULL)
+ {
+ newRef->m_mask = new wxMask(*oldRef->m_mask);
+ }
+
+ return newRef;
+}
+
+/* static */ void wxBitmap::InitStandardHandlers()
+{
+ // TODO: Insert handler based on GdkPixbufs handler later
+}
projects / wxWidgets.git / blobdiff