X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0006b9a540a7264101d87e3df20d494e8fa4ab9c..24bbbfb112cd755a944a76555b540af67d7f8ab1:/src/gtk/bitmap.cpp diff --git a/src/gtk/bitmap.cpp b/src/gtk/bitmap.cpp index 5bfb2f4e4b..fcc84f7786 100644 --- a/src/gtk/bitmap.cpp +++ b/src/gtk/bitmap.cpp @@ -14,34 +14,16 @@ #ifndef WX_PRECOMP #include "wx/app.h" - #include "wx/dcmemory.h" #include "wx/palette.h" #include "wx/icon.h" #include "wx/math.h" + #include "wx/image.h" + #include "wx/colour.h" #endif -#include "wx/filefn.h" -#include "wx/image.h" - #include "wx/rawbmp.h" - // need this to get gdk_image_new_bitmap() - #define GDK_ENABLE_BROKEN -#include #include -#include - -#include - -extern void gdk_wx_draw_bitmap (GdkDrawable *drawable, - GdkGC *gc, - GdkDrawable *src, - gint xsrc, - gint ysrc, - gint xdest, - gint ydest, - gint width, - gint height); //----------------------------------------------------------------------------- // data @@ -95,87 +77,60 @@ bool wxMask::Create( const wxBitmap& bitmap, m_bitmap = (GdkBitmap*) NULL; } - wxImage image = bitmap.ConvertToImage(); - if (!image.Ok()) return false; - - m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, image.GetWidth(), image.GetHeight(), 1 ); - GdkGC *gc = gdk_gc_new( m_bitmap ); - - GdkColor color; - color.red = 65000; - color.green = 65000; - color.blue = 65000; - color.pixel = 1; - gdk_gc_set_foreground( gc, &color ); - gdk_gc_set_fill( gc, GDK_SOLID ); - gdk_draw_rectangle( m_bitmap, gc, TRUE, 0, 0, image.GetWidth(), image.GetHeight() ); - - unsigned char *data = image.GetData(); - int index = 0; + const int w = bitmap.GetWidth(); + const int h = bitmap.GetHeight(); - unsigned char red = colour.Red(); - unsigned char green = colour.Green(); - unsigned char blue = colour.Blue(); + // create mask as XBM format bitmap - GdkVisual *visual = wxTheApp->GetGdkVisual(); - - int bpp = visual->depth; - if ((bpp == 16) && (visual->red_mask != 0xf800)) - bpp = 15; - if (bpp == 15) - { - red = red & 0xf8; - green = green & 0xf8; - blue = blue & 0xf8; - } - else if (bpp == 16) + // 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()) { - red = red & 0xf8; - green = green & 0xfc; - blue = blue & 0xf8; - } - else if (bpp == 12) - { - red = red & 0xf0; - green = green & 0xf0; - blue = blue & 0xf0; + 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; + } } - - color.red = 0; - color.green = 0; - color.blue = 0; - color.pixel = 0; - gdk_gc_set_foreground( gc, &color ); - - for (int j = 0; j < image.GetHeight(); j++) + else { - int start_x = -1; - int i; - for (i = 0; i < image.GetWidth(); i++) + 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 { - if ((data[index] == red) && - (data[index+1] == green) && - (data[index+2] == blue)) - { - if (start_x == -1) - start_x = i; - } - else - { - if (start_x != -1) - { - gdk_draw_line( m_bitmap, gc, start_x, j, i-1, j ); - start_x = -1; - } - } - index += 3; + wxColor c(colour); + c.CalcPixel(colormap); + mask_pixel = c.GetPixel(); } - if (start_x != -1) - gdk_draw_line( m_bitmap, gc, start_x, j, i, j ); + 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); } - - g_object_unref (gc); - + m_bitmap = gdk_bitmap_create_from_data(wxGetRootWindow()->window, (char*)out, w, h); + delete[] out; return true; } @@ -203,16 +158,15 @@ bool wxMask::Create( const wxBitmap& bitmap ) if (!bitmap.Ok()) return false; - wxCHECK_MSG( bitmap.GetBitmap(), false, wxT("Cannot create mask from colour bitmap") ); + wxCHECK_MSG( bitmap.GetDepth() == 1, false, wxT("Cannot create mask from colour bitmap") ); m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 ); if (!m_bitmap) return false; GdkGC *gc = gdk_gc_new( m_bitmap ); - - gdk_wx_draw_bitmap( m_bitmap, gc, bitmap.GetBitmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() ); - + gdk_gc_set_function(gc, GDK_COPY_INVERT); + gdk_draw_drawable(m_bitmap, gc, bitmap.GetPixmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight()); g_object_unref (gc); return true; @@ -231,10 +185,9 @@ class wxBitmapRefData: public wxObjectRefData { public: wxBitmapRefData(); - ~wxBitmapRefData(); + virtual ~wxBitmapRefData(); GdkPixmap *m_pixmap; - GdkBitmap *m_bitmap; GdkPixbuf *m_pixbuf; wxMask *m_mask; int m_width; @@ -246,7 +199,6 @@ public: wxBitmapRefData::wxBitmapRefData() { m_pixmap = (GdkPixmap *) NULL; - m_bitmap = (GdkBitmap *) NULL; m_pixbuf = (GdkPixbuf *) NULL; m_mask = (wxMask *) NULL; m_width = 0; @@ -259,8 +211,6 @@ wxBitmapRefData::~wxBitmapRefData() { if (m_pixmap) g_object_unref (m_pixmap); - if (m_bitmap) - g_object_unref (m_bitmap); if (m_pixbuf) g_object_unref (m_pixbuf); delete m_mask; @@ -271,7 +221,7 @@ wxBitmapRefData::~wxBitmapRefData() //----------------------------------------------------------------------------- -#define M_BMPDATA ((wxBitmapRefData *)m_refData) +#define M_BMPDATA wx_static_cast(wxBitmapRefData*, m_refData) IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject) @@ -293,33 +243,23 @@ bool wxBitmap::Create( int width, int height, int depth ) return false; } - GdkVisual *visual = wxTheApp->GetGdkVisual(); - - if (depth == -1) - depth = visual->depth; - - wxCHECK_MSG( (depth == visual->depth) || (depth == 1) || (depth == 32), false, - wxT("invalid bitmap depth") ); - - m_refData = new wxBitmapRefData(); - M_BMPDATA->m_mask = (wxMask *) NULL; - M_BMPDATA->m_width = width; - M_BMPDATA->m_height = height; - if (depth == 1) + if (depth == 32) { - M_BMPDATA->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); - M_BMPDATA->m_bpp = 1; - } - else if (depth == 32) - { - M_BMPDATA->m_pixbuf = gdk_pixbuf_new( GDK_COLORSPACE_RGB, true, - 8, width, height); + SetPixbuf(gdk_pixbuf_new(GDK_COLORSPACE_RGB, true, 8, width, height)); M_BMPDATA->m_bpp = 32; } else { - M_BMPDATA->m_pixmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, depth ); - M_BMPDATA->m_bpp = visual->depth; + if (depth != 1) + { + const GdkVisual* visual = wxTheApp->GetGdkVisual(); + if (depth == -1) + depth = visual->depth; + + wxCHECK_MSG(depth == visual->depth, false, wxT("invalid bitmap depth")); + } + + SetPixmap(gdk_pixmap_new(wxGetRootWindow()->window, width, height, depth)); } return Ok(); @@ -331,32 +271,25 @@ bool wxBitmap::CreateFromXpm( const char **bits ) wxCHECK_MSG( bits != NULL, false, wxT("invalid bitmap data") ); - GdkVisual *visual = wxTheApp->GetGdkVisual(); - - m_refData = new wxBitmapRefData(); - GdkBitmap *mask = (GdkBitmap*) NULL; - - M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxGetRootWindow()->window, &mask, NULL, (gchar **) bits ); + SetPixmap(gdk_pixmap_create_from_xpm_d(wxGetRootWindow()->window, &mask, NULL, (gchar**)bits)); wxCHECK_MSG( M_BMPDATA->m_pixmap, false, wxT("couldn't create pixmap") ); if (mask) { - M_BMPDATA->m_mask = new wxMask(); + M_BMPDATA->m_mask = new wxMask; M_BMPDATA->m_mask->m_bitmap = mask; } - gdk_drawable_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) ); - - M_BMPDATA->m_bpp = visual->depth; // Can we get a different depth from create_from_xpm_d() ? - return true; } wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, int newx, int newy ) { - wxCHECK_MSG( Ok(), wxNullBitmap, wxT("invalid bitmap") ); + wxBitmap bmp; + + wxCHECK_MSG(Ok(), bmp, wxT("invalid bitmap")); if (newy==M_BMPDATA->m_width && newy==M_BMPDATA->m_height) return *this; @@ -366,15 +299,11 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, width = wxMin(width, clipwidth); height = wxMin(height, clipheight); - wxBitmap bmp; - if (HasPixbuf()) { - bmp.SetWidth(width); - bmp.SetHeight(height); bmp.SetDepth(GetDepth()); bmp.SetPixbuf(gdk_pixbuf_new(GDK_COLORSPACE_RGB, - gdk_pixbuf_get_has_alpha(GetPixbuf()), + true, //gdk_pixbuf_get_has_alpha(GetPixbuf()), 8, width, height)); gdk_pixbuf_scale(GetPixbuf(), bmp.GetPixbuf(), 0, 0, width, height, @@ -384,42 +313,28 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, } else { - GdkImage *img = (GdkImage*) NULL; - if (GetPixmap()) - img = gdk_image_get( GetPixmap(), 0, 0, GetWidth(), GetHeight() ); - else if (GetBitmap()) - img = gdk_image_get( GetBitmap(), 0, 0, GetWidth(), GetHeight() ); - else - wxFAIL_MSG( wxT("Ill-formed bitmap") ); - - wxCHECK_MSG( img, wxNullBitmap, wxT("couldn't create image") ); - - int bpp = -1; + GdkImage* img = gdk_drawable_get_image(GetPixmap(), 0, 0, GetWidth(), GetHeight()); + wxCHECK_MSG(img, bmp, wxT("couldn't create image")); GdkGC *gc = NULL; GdkPixmap *dstpix = NULL; - if (GetPixmap()) + char *dst = NULL; + long dstbyteperline = 0; + + if (GetDepth() != 1) { GdkVisual *visual = gdk_drawable_get_visual( GetPixmap() ); if (visual == NULL) visual = wxTheApp->GetGdkVisual(); - bpp = visual->depth; - bmp = wxBitmap(width,height,bpp); + bmp = wxBitmap(width, height, visual->depth); dstpix = bmp.GetPixmap(); gc = gdk_gc_new( dstpix ); } - - char *dst = NULL; - long dstbyteperline = 0; - - if (GetBitmap()) + else { - bpp = 1; - dstbyteperline = width/8*M_BMPDATA->m_bpp; - if (width*M_BMPDATA->m_bpp % 8 != 0) - dstbyteperline++; + dstbyteperline = (width + 7) / 8; dst = (char*) malloc(dstbyteperline*height); } @@ -496,11 +411,9 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, if (GetMask()) { - dstbyteperline = width/8; - if (width % 8 != 0) - dstbyteperline++; + dstbyteperline = (width + 7) / 8; dst = (char*) malloc(dstbyteperline*height); - img = gdk_image_get( GetMask()->GetBitmap(), 0, 0, GetWidth(), GetHeight() ); + img = gdk_drawable_get_image(GetMask()->GetBitmap(), 0, 0, GetWidth(), GetHeight()); for (int h = 0; h < height; h++) { @@ -564,204 +477,90 @@ bool wxBitmap::CreateFromImage(const wxImage& image, int depth) if (image.GetWidth() <= 0 || image.GetHeight() <= 0) return false; - m_refData = new wxBitmapRefData(); + if (depth == 1) + return CreateFromImageAsPixmap(image, depth); + + if (image.HasAlpha()) + return CreateFromImageAsPixbuf(image); + return CreateFromImageAsPixmap(image, depth); +} + +bool wxBitmap::CreateFromImageAsPixmap(const wxImage& image, int depth) +{ + const int w = image.GetWidth(); + const int h = image.GetHeight(); if (depth == 1) { - return CreateFromImageAsBitmap(image); + // 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; } else { - if (image.HasAlpha()) - return CreateFromImageAsPixbuf(image); - - return CreateFromImageAsPixmap(image); + SetPixmap(gdk_pixmap_new(wxGetRootWindow()->window, w, h, depth)); + 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); + g_object_unref(gc); } -} - -// conversion to mono bitmap: -bool wxBitmap::CreateFromImageAsBitmap(const wxImage& img) -{ - // convert alpha channel to mask, if it is present: - wxImage image(img); - image.ConvertAlphaToMask(); - - int width = image.GetWidth(); - int height = image.GetHeight(); - - SetHeight( height ); - SetWidth( width ); - - SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) ); - - SetDepth( 1 ); - - GdkVisual *visual = wxTheApp->GetGdkVisual(); - - // Create picture image - - unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); - GdkImage *data_image = - gdk_image_new_bitmap( visual, data_data, width, height ); - - // Create mask image - - GdkImage *mask_image = (GdkImage*) NULL; - - if (image.HasMask()) + const wxByte* alpha = image.GetAlpha(); + if (alpha != NULL || image.HasMask()) { - unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); - - mask_image = gdk_image_new_bitmap( visual, mask_data, width, height ); - - wxMask *mask = new wxMask(); - mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); - - SetMask( mask ); - } - - int r_mask = image.GetMaskRed(); - int g_mask = image.GetMaskGreen(); - int b_mask = image.GetMaskBlue(); + // create mask as XBM format bitmap - unsigned char* data = image.GetData(); - - int index = 0; - for (int y = 0; y < height; y++) - { - for (int x = 0; x < width; x++) + 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) { - int r = data[index]; - index++; - int g = data[index]; - index++; - int b = data[index]; - index++; - - if (image.HasMask()) + for (int y = 0; y < h; y++) { - if ((r == r_mask) && (b == b_mask) && (g == g_mask)) - gdk_image_put_pixel( mask_image, x, y, 1 ); - else - gdk_image_put_pixel( mask_image, x, y, 0 ); + 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; } - - if ((r == 255) && (b == 255) && (g == 255)) - gdk_image_put_pixel( data_image, x, y, 1 ); - else - gdk_image_put_pixel( data_image, x, y, 0 ); - - } // for - } // for - - // Blit picture - - GdkGC *data_gc = gdk_gc_new( GetBitmap() ); - - gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); - - g_object_unref (data_image); - g_object_unref (data_gc); - - // Blit mask - - if (image.HasMask()) - { - GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() ); - - gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); - - g_object_unref (mask_image); - g_object_unref (mask_gc); - } - - return true; -} - -// conversion to colour bitmap: -bool wxBitmap::CreateFromImageAsPixmap(const wxImage& img) -{ - // convert alpha channel to mask, if it is present: - wxImage image(img); - image.ConvertAlphaToMask(); - - int width = image.GetWidth(); - int height = image.GetHeight(); - - SetHeight( height ); - SetWidth( width ); - - SetPixmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, -1 ) ); - - GdkVisual *visual = wxTheApp->GetGdkVisual(); - - int bpp = visual->depth; - - SetDepth( bpp ); - - GdkGC *gc = gdk_gc_new( GetPixmap() ); - - gdk_draw_rgb_image( GetPixmap(), - gc, - 0, 0, - width, height, - GDK_RGB_DITHER_NONE, - image.GetData(), - width*3 ); - - g_object_unref (gc); - - // Create mask image - - GdkImage *mask_image = (GdkImage*) NULL; - - if (!image.HasMask()) - return true; - - unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); - - mask_image = gdk_image_new_bitmap( visual, mask_data, width, height ); - - wxMask *mask = new wxMask(); - mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); - - SetMask( mask ); - - int r_mask = image.GetMaskRed(); - int g_mask = image.GetMaskGreen(); - int b_mask = image.GetMaskBlue(); - - unsigned char* data = image.GetData(); - - int index = 0; - for (int y = 0; y < height; y++) - { - for (int x = 0; x < width; x++) + } + else { - int r = data[index]; - index++; - int g = data[index]; - index++; - int b = data[index]; - index++; - - if ((r == r_mask) && (b == b_mask) && (g == g_mask)) - gdk_image_put_pixel( mask_image, x, y, 1 ); - else - gdk_image_put_pixel( mask_image, x, y, 0 ); - } // for - } // for - - // Blit mask - - GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() ); - - gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); - - g_object_unref (mask_image); - g_object_unref (mask_gc); - + 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; + } + } + wxMask* mask = new wxMask; + mask->m_bitmap = gdk_bitmap_create_from_data(M_BMPDATA->m_pixmap, (char*)out, w, h); + SetMask(mask); + delete[] out; + } return true; } @@ -771,7 +570,7 @@ bool wxBitmap::CreateFromImageAsPixbuf(const wxImage& image) int height = image.GetHeight(); GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, - image.HasAlpha(), + true, //image.HasAlpha(), 8 /* bits per sample */, width, height); if (!pixbuf) @@ -782,10 +581,8 @@ bool wxBitmap::CreateFromImageAsPixbuf(const wxImage& image) wxASSERT( gdk_pixbuf_get_width(pixbuf) == width ); wxASSERT( gdk_pixbuf_get_height(pixbuf) == height ); - M_BMPDATA->m_pixbuf = pixbuf; - SetHeight(height); - SetWidth(width); - SetDepth(wxTheApp->GetGdkVisual()->depth); + SetDepth(32); + SetPixbuf(pixbuf); // Copy the data: unsigned char *in = image.GetData(); @@ -814,23 +611,18 @@ wxImage wxBitmap::ConvertToImage() const wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") ); - image.Create(GetWidth(), GetHeight()); + const int w = GetWidth(); + const int h = GetHeight(); + image.Create(w, h); unsigned char *data = image.GetData(); - if (!data) - { - wxFAIL_MSG( wxT("couldn't create image") ); - return wxNullImage; - } + wxCHECK_MSG(data != NULL, wxNullImage, wxT("couldn't create image") ); if (HasPixbuf()) { GdkPixbuf *pixbuf = GetPixbuf(); wxASSERT( gdk_pixbuf_get_has_alpha(pixbuf) ); - int w = GetWidth(); - int h = GetHeight(); - image.SetAlpha(); unsigned char *alpha = image.GetAlpha(); @@ -851,140 +643,58 @@ wxImage wxBitmap::ConvertToImage() const } else { - // the colour used as transparent one in wxImage and the one it is - // replaced with when it really occurs in the bitmap - static const int MASK_RED = 1; - static const int MASK_GREEN = 2; - static const int MASK_BLUE = 3; - static const int MASK_BLUE_REPLACEMENT = 2; - - GdkImage *gdk_image = (GdkImage*) NULL; - - if (HasPixmap()) - { - gdk_image = gdk_image_get( GetPixmap(), - 0, 0, - GetWidth(), GetHeight() ); - } - else if (GetBitmap()) + GdkPixmap* pixmap = GetPixmap(); + GdkPixmap* pixmap_invert = NULL; + if (GetDepth() == 1) { - gdk_image = gdk_image_get( GetBitmap(), - 0, 0, - GetWidth(), GetHeight() ); + // mono bitmaps are inverted, i.e. 0 is white + pixmap_invert = gdk_pixmap_new(pixmap, w, h, 1); + 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); + g_object_unref(gc); + pixmap = pixmap_invert; } - else - { - wxFAIL_MSG( wxT("Ill-formed bitmap") ); - } - - wxCHECK_MSG( gdk_image, wxNullImage, wxT("couldn't create image") ); - - GdkImage *gdk_image_mask = (GdkImage*) NULL; - if (GetMask()) - { - gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(), - 0, 0, - GetWidth(), GetHeight() ); + // 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); - image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE ); - } + gdk_pixbuf_get_from_drawable(pixbuf, pixmap, NULL, 0, 0, 0, 0, w, h); - int bpp = -1; - int red_shift_right = 0; - int green_shift_right = 0; - int blue_shift_right = 0; - int red_shift_left = 0; - int green_shift_left = 0; - int blue_shift_left = 0; - bool use_shift = false; + g_object_unref(pixbuf); + if (pixmap_invert != NULL) + g_object_unref(pixmap_invert); - if (GetPixmap()) - { - GdkVisual *visual = gdk_drawable_get_visual( GetPixmap() ); - if (visual == NULL) - visual = wxTheApp->GetGdkVisual(); - - bpp = visual->depth; - if (bpp == 16) - bpp = visual->red_prec + visual->green_prec + visual->blue_prec; - red_shift_right = visual->red_shift; - red_shift_left = 8-visual->red_prec; - green_shift_right = visual->green_shift; - green_shift_left = 8-visual->green_prec; - blue_shift_right = visual->blue_shift; - blue_shift_left = 8-visual->blue_prec; - - use_shift = (visual->type == GDK_VISUAL_TRUE_COLOR) || (visual->type == GDK_VISUAL_DIRECT_COLOR); - } - if (GetBitmap()) + if (GetMask()) { - bpp = 1; - } + // the colour used as transparent one in wxImage and the one it is + // replaced with when it really occurs in the bitmap + 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); - GdkColormap *cmap = gtk_widget_get_default_colormap(); - - long pos = 0; - for (int j = 0; j < GetHeight(); j++) - { - for (int i = 0; i < GetWidth(); i++) + for (int y = 0; y < h; y++) { - wxUint32 pixel = gdk_image_get_pixel( gdk_image, i, j ); - if (bpp == 1) + for (int x = 0; x < w; x++, data += 3) { - if (pixel == 0) + if (gdk_image_get_pixel(image_mask, x, y) == 0) { - data[pos] = 0; - data[pos+1] = 0; - data[pos+2] = 0; + data[0] = MASK_RED; + data[1] = MASK_GREEN; + data[2] = MASK_BLUE; } - else + else if (data[0] == MASK_RED && data[1] == MASK_GREEN && data[2] == MASK_BLUE) { - data[pos] = 255; - data[pos+1] = 255; - data[pos+2] = 255; + data[2] = MASK_BLUE_REPLACEMENT; } } - else if (use_shift) - { - data[pos] = (pixel >> red_shift_right) << red_shift_left; - data[pos+1] = (pixel >> green_shift_right) << green_shift_left; - data[pos+2] = (pixel >> blue_shift_right) << blue_shift_left; - } - else if (cmap->colors) - { - data[pos] = cmap->colors[pixel].red >> 8; - data[pos+1] = cmap->colors[pixel].green >> 8; - data[pos+2] = cmap->colors[pixel].blue >> 8; - } - else - { - wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") ); - } - - if (gdk_image_mask) - { - int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j ); - if (mask_pixel == 0) - { - data[pos] = MASK_RED; - data[pos+1] = MASK_GREEN; - data[pos+2] = MASK_BLUE; - } - else if ( data[pos] == MASK_RED && - data[pos+1] == MASK_GREEN && - data[pos+2] == MASK_BLUE ) - { - data[pos+2] = MASK_BLUE_REPLACEMENT; - } - } - - pos += 3; } + g_object_unref(image_mask); } - - g_object_unref (gdk_image); - if (gdk_image_mask) g_object_unref (gdk_image_mask); } return image; @@ -999,21 +709,9 @@ wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth { if ( width > 0 && height > 0 ) { - m_refData = new wxBitmapRefData(); - - M_BMPDATA->m_mask = (wxMask *) NULL; - M_BMPDATA->m_bitmap = gdk_bitmap_create_from_data - ( - wxGetRootWindow()->window, - (gchar *) bits, - width, - height - ); - M_BMPDATA->m_width = width; - M_BMPDATA->m_height = height; - M_BMPDATA->m_bpp = 1; - - wxASSERT_MSG( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") ); + SetPixmap(gdk_bitmap_create_from_data(wxGetRootWindow()->window, bits, width, height)); + + wxASSERT_MSG( M_BMPDATA->m_pixmap, wxT("couldn't create bitmap") ); } } @@ -1036,7 +734,7 @@ bool wxBitmap::Ok() const return (m_refData != NULL) && ( M_BMPDATA->m_pixbuf || - M_BMPDATA->m_bitmap || M_BMPDATA->m_pixmap + M_BMPDATA->m_pixmap ); } @@ -1080,48 +778,35 @@ void wxBitmap::SetMask( wxMask *mask ) bool wxBitmap::CopyFromIcon(const wxIcon& icon) { *this = icon; - return true; + return Ok(); } wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const { + wxBitmap ret; + wxCHECK_MSG( Ok() && (rect.x >= 0) && (rect.y >= 0) && (rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height), - wxNullBitmap, wxT("invalid bitmap or bitmap region") ); - - wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp ); - wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") ); + ret, wxT("invalid bitmap or bitmap region") ); if (HasPixbuf()) { GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, - gdk_pixbuf_get_has_alpha(GetPixbuf()), + true, //gdk_pixbuf_get_has_alpha(GetPixbuf()), 8, rect.width, rect.height); ret.SetPixbuf(pixbuf); + ret.SetDepth(M_BMPDATA->m_bpp); gdk_pixbuf_copy_area(GetPixbuf(), rect.x, rect.y, rect.width, rect.height, pixbuf, 0, 0); } else { - if (ret.GetPixmap()) - { - GdkGC *gc = gdk_gc_new( ret.GetPixmap() ); - gdk_draw_drawable( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height ); - g_object_unref (gc); - } - else - { - GdkGC *gc = gdk_gc_new( ret.GetBitmap() ); - GdkColor col; - col.pixel = 0xFFFFFF; - gdk_gc_set_foreground( gc, &col ); - col.pixel = 0; - gdk_gc_set_background( gc, &col ); - gdk_wx_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height ); - g_object_unref (gc); - } + ret = wxBitmap(rect.width, rect.height, M_BMPDATA->m_bpp); + GdkGC *gc = gdk_gc_new( ret.GetPixmap() ); + gdk_draw_drawable( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height ); + g_object_unref (gc); } if (GetMask()) @@ -1130,12 +815,7 @@ wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, rect.width, rect.height, 1 ); GdkGC *gc = gdk_gc_new( mask->m_bitmap ); - GdkColor col; - col.pixel = 0xFFFFFF; - gdk_gc_set_foreground( gc, &col ); - col.pixel = 0; - gdk_gc_set_background( gc, &col ); - gdk_wx_draw_bitmap( mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, rect.x, rect.y, 0, 0, rect.width, rect.height ); + gdk_draw_drawable(mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, rect.x, rect.y, 0, 0, rect.width, rect.height); g_object_unref (gc); ret.SetMask( mask ); @@ -1149,57 +829,33 @@ bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type, const wxPalett wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") ); // Try to save the bitmap via wxImage handlers: - { - wxImage image = ConvertToImage(); - if (image.Ok()) return image.SaveFile( name, type ); - } - - return false; + wxImage image = ConvertToImage(); + return image.Ok() && image.SaveFile(name, type); } bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type ) { UnRef(); - if (!wxFileExists(name)) - return false; - - GdkVisual *visual = wxTheApp->GetGdkVisual(); - if (type == wxBITMAP_TYPE_XPM) { - m_refData = new wxBitmapRefData(); - GdkBitmap *mask = (GdkBitmap*) NULL; - - M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm - ( - wxGetRootWindow()->window, - &mask, - NULL, - name.fn_str() - ); + SetPixmap(gdk_pixmap_create_from_xpm(wxGetRootWindow()->window, &mask, NULL, name.fn_str())); if (mask) { - M_BMPDATA->m_mask = new wxMask(); - M_BMPDATA->m_mask->m_bitmap = mask; + M_BMPDATA->m_mask = new wxMask; + M_BMPDATA->m_mask->m_bitmap = mask; } - - gdk_drawable_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) ); - - M_BMPDATA->m_bpp = visual->depth; } else // try if wxImage can load it { wxImage image; - if ( !image.LoadFile( name, type ) || !image.Ok() ) - return false; - - *this = wxBitmap(image); + if (image.LoadFile(name, type) && image.Ok()) + *this = wxBitmap(image); } - return true; + return Ok(); } #if wxUSE_PALETTE @@ -1220,7 +876,7 @@ void wxBitmap::SetPalette(const wxPalette& WXUNUSED(palette)) void wxBitmap::SetHeight( int height ) { if (!m_refData) - m_refData = new wxBitmapRefData(); + m_refData = new wxBitmapRefData; M_BMPDATA->m_height = height; } @@ -1228,7 +884,7 @@ void wxBitmap::SetHeight( int height ) void wxBitmap::SetWidth( int width ) { if (!m_refData) - m_refData = new wxBitmapRefData(); + m_refData = new wxBitmapRefData; M_BMPDATA->m_width = width; } @@ -1236,7 +892,7 @@ void wxBitmap::SetWidth( int width ) void wxBitmap::SetDepth( int depth ) { if (!m_refData) - m_refData = new wxBitmapRefData(); + m_refData = new wxBitmapRefData; M_BMPDATA->m_bpp = depth; } @@ -1244,18 +900,12 @@ void wxBitmap::SetDepth( int depth ) void wxBitmap::SetPixmap( GdkPixmap *pixmap ) { if (!m_refData) - m_refData = new wxBitmapRefData(); + m_refData = new wxBitmapRefData; + wxASSERT(M_BMPDATA->m_pixmap == NULL); M_BMPDATA->m_pixmap = pixmap; - PurgeOtherRepresentations(Pixmap); -} - -void wxBitmap::SetBitmap( GdkPixmap *bitmap ) -{ - if (!m_refData) - m_refData = new wxBitmapRefData(); - - M_BMPDATA->m_bitmap = bitmap; + gdk_drawable_get_size(pixmap, &M_BMPDATA->m_width, &M_BMPDATA->m_height); + M_BMPDATA->m_bpp = gdk_drawable_get_depth(pixmap); PurgeOtherRepresentations(Pixmap); } @@ -1264,10 +914,10 @@ GdkPixmap *wxBitmap::GetPixmap() const wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") ); // create the pixmap on the fly if we use Pixbuf representation: - if (HasPixbuf() && !HasPixmap()) + if (M_BMPDATA->m_pixmap == NULL) { delete M_BMPDATA->m_mask; - M_BMPDATA->m_mask = new wxMask(); + M_BMPDATA->m_mask = new wxMask; gdk_pixbuf_render_pixmap_and_mask(M_BMPDATA->m_pixbuf, &M_BMPDATA->m_pixmap, &M_BMPDATA->m_mask->m_bitmap, @@ -1284,24 +934,19 @@ bool wxBitmap::HasPixmap() const return M_BMPDATA->m_pixmap != NULL; } -GdkBitmap *wxBitmap::GetBitmap() const -{ - wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") ); - - return M_BMPDATA->m_bitmap; -} - GdkPixbuf *wxBitmap::GetPixbuf() const { wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") ); - if (HasPixmap() && !HasPixbuf()) + if (M_BMPDATA->m_pixbuf == NULL) { int width = GetWidth(); int height = GetHeight(); + // always create the alpha channel so raw bitmap access will work + // correctly GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, - GetMask() != NULL, + true, // GetMask() != NULL, 8, width, height); M_BMPDATA->m_pixbuf = gdk_pixbuf_get_from_drawable(pixbuf, M_BMPDATA->m_pixmap, NULL, @@ -1350,9 +995,12 @@ bool wxBitmap::HasPixbuf() const void wxBitmap::SetPixbuf( GdkPixbuf *pixbuf ) { if (!m_refData) - m_refData = new wxBitmapRefData(); + m_refData = new wxBitmapRefData; + wxASSERT(M_BMPDATA->m_pixbuf == NULL); M_BMPDATA->m_pixbuf = pixbuf; + M_BMPDATA->m_width = gdk_pixbuf_get_width(pixbuf); + M_BMPDATA->m_height = gdk_pixbuf_get_height(pixbuf); PurgeOtherRepresentations(Pixbuf); } @@ -1379,11 +1027,14 @@ void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp) if (!pixbuf) return NULL; + if (!gdk_pixbuf_get_has_alpha( pixbuf )) + return NULL; + #if 0 if (gdk_pixbuf_get_has_alpha( pixbuf )) - wxPrintf( wxT("Has alpha\n") ); + wxPrintf( wxT("Has alpha, %d channels\n"), gdk_pixbuf_get_n_channels(pixbuf) ); else - wxPrintf( wxT("No alpha.\n") ); + wxPrintf( wxT("No alpha, %d channels.\n"), gdk_pixbuf_get_n_channels(pixbuf) ); #endif data.m_height = gdk_pixbuf_get_height( pixbuf );