#endif
#include "wx/image.h"
+#include "wx/bitmap.h"
#include "wx/debug.h"
#include "wx/log.h"
+#ifdef wxUSE_LIBPNG
#include "../png/png.h"
+#endif
#include "wx/filefn.h"
+#ifdef __WXMSW__
+#include <windows.h>
+#endif
+
//-----------------------------------------------------------------------------
// wxImage
//-----------------------------------------------------------------------------
void wxImage::InitStandardHandlers()
{
AddHandler( new wxBMPHandler );
+#ifdef wxUSE_LIBPNG
AddHandler( new wxPNGHandler );
+#endif
}
void wxImage::CleanUpHandlers()
// wxPNGHandler
//-----------------------------------------------------------------------------
+#ifdef wxUSE_LIBPNG
+
#if !USE_SHARED_LIBRARIES
IMPLEMENT_DYNAMIC_CLASS(wxPNGHandler,wxImageHandler)
#endif
bool wxPNGHandler::LoadFile( wxImage *image, const wxString& name )
{
- FILE *f;
- png_structp png_ptr;
- png_infop info_ptr;
- unsigned char *ptr, **lines, *ptr2;
- int transp,bit_depth,color_type,interlace_type;
- png_uint_32 width, height;
- unsigned int i;
-
- image->Destroy();
+ image->Destroy();
- transp = 0;
- png_ptr = png_create_read_struct( PNG_LIBPNG_VER_STRING, NULL, NULL, NULL );
- if (!png_ptr) return FALSE;
-
- info_ptr = png_create_info_struct( png_ptr );
- if (!info_ptr)
- {
- png_destroy_read_struct( &png_ptr, NULL, NULL );
- return FALSE;
- }
-
- if (setjmp(png_ptr->jmpbuf))
- {
- png_destroy_read_struct( &png_ptr, &info_ptr, NULL );
- return FALSE;
- }
-
- if (info_ptr->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
- {
- png_destroy_read_struct( &png_ptr, &info_ptr, NULL );
- return FALSE;
- }
+ png_structp png_ptr = png_create_read_struct( PNG_LIBPNG_VER_STRING,
+ (voidp) NULL, (png_error_ptr) NULL, (png_error_ptr) NULL );
+ if (!png_ptr) return FALSE;
+
+ png_infop info_ptr = png_create_info_struct( png_ptr );
+ if (!info_ptr)
+ {
+ png_destroy_read_struct( &png_ptr, (png_infopp) NULL, (png_infopp) NULL );
+ return FALSE;
+ }
+
+ if (setjmp(png_ptr->jmpbuf))
+ {
+ png_destroy_read_struct( &png_ptr, &info_ptr, (png_infopp) NULL );
+ return FALSE;
+ }
+
+ if (info_ptr->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
+ {
+ png_destroy_read_struct( &png_ptr, &info_ptr, (png_infopp) NULL );
+ return FALSE;
+ }
- f = fopen( name, "rb" );
- png_init_io( png_ptr, f );
+ FILE *f = fopen( name, "rb" );
+ png_init_io( png_ptr, f );
- png_read_info( png_ptr, info_ptr );
- png_get_IHDR( png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, &interlace_type, NULL, NULL );
+ png_uint_32 width,height;
+ int bit_depth,color_type,interlace_type;
+
+ png_read_info( png_ptr, info_ptr );
+ png_get_IHDR( png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, &interlace_type, (int*) NULL, (int*) NULL );
- if (color_type == PNG_COLOR_TYPE_PALETTE) png_set_expand( png_ptr );
+ if (color_type == PNG_COLOR_TYPE_PALETTE) png_set_expand( png_ptr );
- png_set_strip_16( png_ptr );
- png_set_packing( png_ptr );
- if (png_get_valid( png_ptr, info_ptr, PNG_INFO_tRNS)) png_set_expand( png_ptr );
- png_set_filler( png_ptr, 0xff, PNG_FILLER_AFTER );
+ png_set_strip_16( png_ptr );
+ png_set_packing( png_ptr );
+ if (png_get_valid( png_ptr, info_ptr, PNG_INFO_tRNS)) png_set_expand( png_ptr );
+ png_set_filler( png_ptr, 0xff, PNG_FILLER_AFTER );
- image->Create( width, height );
+ image->Create( width, height );
- if (!image->Ok())
- {
- png_destroy_read_struct( &png_ptr, &info_ptr, NULL );
- return FALSE;
- }
+ if (!image->Ok())
+ {
+ png_destroy_read_struct( &png_ptr, &info_ptr, (png_infopp) NULL );
+ return FALSE;
+ }
- lines = (unsigned char **)malloc( height * sizeof(unsigned char *) );
- if (lines == NULL)
- {
- image->Destroy();
- png_destroy_read_struct( &png_ptr, &info_ptr, NULL );
- return FALSE;
- }
+ unsigned char **lines = (unsigned char **)malloc( height * sizeof(unsigned char *) );
+ if (lines == NULL)
+ {
+ image->Destroy();
+ png_destroy_read_struct( &png_ptr, &info_ptr, (png_infopp) NULL );
+ return FALSE;
+ }
- for (i = 0; i < height; i++)
- {
- if ((lines[i] = (unsigned char *)malloc(width * (sizeof(unsigned char) * 4))) == NULL)
- {
- image->Destroy();
- for (unsigned int n = 0; n < i; n++) free( lines[n] );
- free( lines );
- png_destroy_read_struct( &png_ptr, &info_ptr, NULL );
- return FALSE;
- }
- }
+ for (unsigned int i = 0; i < height; i++)
+ {
+ if ((lines[i] = (unsigned char *)malloc(width * (sizeof(unsigned char) * 4))) == NULL)
+ {
+ image->Destroy();
+ for (unsigned int n = 0; n < i; n++) free( lines[n] );
+ free( lines );
+ png_destroy_read_struct( &png_ptr, &info_ptr, (png_infopp) NULL );
+ return FALSE;
+ }
+ }
- png_read_image( png_ptr, lines );
- png_destroy_read_struct( &png_ptr, &info_ptr, NULL );
- ptr = image->GetData();
- if ((color_type == PNG_COLOR_TYPE_GRAY) ||
- (color_type == PNG_COLOR_TYPE_GRAY_ALPHA))
- {
+
+ int transp = 0;
+ png_read_image( png_ptr, lines );
+ png_destroy_read_struct( &png_ptr, &info_ptr, (png_infopp) NULL );
+ unsigned char *ptr = image->GetData();
+ if ((color_type == PNG_COLOR_TYPE_GRAY) ||
+ (color_type == PNG_COLOR_TYPE_GRAY_ALPHA))
+ {
for (unsigned int y = 0; y < height; y++)
- {
- ptr2 = lines[y];
- for (unsigned int x = 0; x < width; x++)
- {
- unsigned char r = *ptr2++;
- unsigned char a = *ptr2++;
- if (a < 128)
- {
- *ptr++ = 255;
- *ptr++ = 0;
- *ptr++ = 255;
- transp = 1;
- }
- else
- {
- *ptr++ = r;
- *ptr++ = r;
- *ptr++ = r;
- }
- }
- }
- }
- else
- {
+ {
+ unsigned char *ptr2 = lines[y];
+ for (unsigned int x = 0; x < width; x++)
+ {
+ unsigned char r = *ptr2++;
+ unsigned char a = *ptr2++;
+ if (a < 128)
+ {
+ *ptr++ = 255;
+ *ptr++ = 0;
+ *ptr++ = 255;
+ transp = 1;
+ }
+ else
+ {
+ *ptr++ = r;
+ *ptr++ = r;
+ *ptr++ = r;
+ }
+ }
+ }
+ }
+ else
+ {
for (unsigned int y = 0; y < height; y++)
- {
- ptr2 = lines[y];
- for (unsigned int x = 0; x < width; x++)
- {
- unsigned char r = *ptr2++;
- unsigned char g = *ptr2++;
- unsigned char b = *ptr2++;
- unsigned char a = *ptr2++;
- if (a < 128)
- {
- *ptr++ = 255;
- *ptr++ = 0;
- *ptr++ = 255;
- transp = 1;
- }
- else
- {
- if ((r == 255) && (g == 0) && (b == 255)) r = 254;
- *ptr++ = r;
- *ptr++ = g;
- *ptr++ = b;
- }
- }
- }
- }
- for (i = 0; i < height; i++) free( lines[i] );
- free( lines );
- if (transp)
- image->SetMaskColour( 255, 0, 255 );
- else
- image->SetMask( FALSE );
+ {
+ unsigned char *ptr2 = lines[y];
+ for (unsigned int x = 0; x < width; x++)
+ {
+ unsigned char r = *ptr2++;
+ unsigned char g = *ptr2++;
+ unsigned char b = *ptr2++;
+ unsigned char a = *ptr2++;
+ if (a < 128)
+ {
+ *ptr++ = 255;
+ *ptr++ = 0;
+ *ptr++ = 255;
+ transp = 1;
+ }
+ else
+ {
+ if ((r == 255) && (g == 0) && (b == 255)) r = 254;
+ *ptr++ = r;
+ *ptr++ = g;
+ *ptr++ = b;
+ }
+ }
+ }
+ }
+
+ for (unsigned int j = 0; j < height; j++) free( lines[j] );
+ free( lines );
+
+ if (transp)
+ {
+ image->SetMaskColour( 255, 0, 255 );
+ }
+ else
+ {
+ image->SetMask( FALSE );
+ }
- return TRUE;
+ return TRUE;
}
bool wxPNGHandler::SaveFile( wxImage *image, const wxString& name )
{
- FILE *f = fopen( name, "wb" );
- if (f)
- {
- png_structp png_ptr = png_create_write_struct( PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
+ FILE *f = fopen( name, "wb" );
+ if (!f) return FALSE;
+
+ png_structp png_ptr = png_create_write_struct( PNG_LIBPNG_VER_STRING,
+ (voidp) NULL, (png_error_ptr) NULL, (png_error_ptr) NULL);
if (!png_ptr)
{
- fclose( f );
- return FALSE;
+ fclose( f );
+ return FALSE;
}
png_infop info_ptr = png_create_info_struct(png_ptr);
if (info_ptr == NULL)
{
- fclose(f);
- png_destroy_write_struct( &png_ptr, (png_infopp)NULL );
- return FALSE;
+ fclose(f);
+ png_destroy_write_struct( &png_ptr, (png_infopp) NULL );
+ return FALSE;
}
if (setjmp(png_ptr->jmpbuf))
{
- fclose( f );
- png_destroy_write_struct( &png_ptr, (png_infopp)NULL );
- return FALSE;
+ fclose( f );
+ png_destroy_write_struct( &png_ptr, (png_infopp) NULL );
+ return FALSE;
}
png_init_io( png_ptr, f );
png_set_IHDR( png_ptr, info_ptr, image->GetWidth(), image->GetHeight(), 8,
- PNG_COLOR_TYPE_RGB_ALPHA, PNG_INTERLACE_NONE,
+ PNG_COLOR_TYPE_RGB_ALPHA, PNG_INTERLACE_NONE,
PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
-
+
png_color_8 sig_bit;
sig_bit.red = 8;
sig_bit.green = 8;
unsigned char *data = (unsigned char *)malloc( image->GetWidth()*4 );
if (!data)
{
- fclose( f );
- png_destroy_write_struct( &png_ptr, (png_infopp)NULL );
- return FALSE;
+ fclose( f );
+ png_destroy_write_struct( &png_ptr, (png_infopp) NULL );
+ return FALSE;
}
for (int y = 0; y < image->GetHeight(); y++)
{
- unsigned char *ptr = image->GetData() + (y * image->GetWidth() * 3);
- for (int x = 0; x < image->GetWidth(); x++)
- {
- data[(x << 2) + 0] = *ptr++;
- data[(x << 2) + 1] = *ptr++;
- data[(x << 2) + 2] = *ptr++;
- if ((data[(x << 2) + 0] == image->GetMaskRed()) &&
- (data[(x << 2) + 1] == image->GetMaskGreen()) &&
- (data[(x << 2) + 2] == image->GetMaskBlue()))
- data[(x << 2) + 3] = 0;
- else
- data[(x << 2) + 3] = 255;
- }
- png_bytep row_ptr = data;
- png_write_rows( png_ptr, &row_ptr, 1 );
+ unsigned char *ptr = image->GetData() + (y * image->GetWidth() * 3);
+ for (int x = 0; x < image->GetWidth(); x++)
+ {
+ data[(x << 2) + 0] = *ptr++;
+ data[(x << 2) + 1] = *ptr++;
+ data[(x << 2) + 2] = *ptr++;
+ if ((data[(x << 2) + 0] == image->GetMaskRed()) &&
+ (data[(x << 2) + 1] == image->GetMaskGreen()) &&
+ (data[(x << 2) + 2] == image->GetMaskBlue()))
+ {
+ data[(x << 2) + 3] = 0;
+ }
+ else
+ {
+ data[(x << 2) + 3] = 255;
+ }
+ }
+ png_bytep row_ptr = data;
+ png_write_rows( png_ptr, &row_ptr, 1 );
}
+
free(data);
png_write_end( png_ptr, info_ptr );
- png_destroy_write_struct( &png_ptr, (png_infopp)NULL );
+ png_destroy_write_struct( &png_ptr, (png_infopp) NULL );
fclose(f);
- }
- return TRUE;
+
+ return TRUE;
}
+#endif
+
+ // wxUSE_LIBPNG
+
//-----------------------------------------------------------------------------
// wxBMPHandler
//-----------------------------------------------------------------------------
#define BI_RGB 0
#define BI_RLE8 1
#define BI_RLE4 2
+#endif
+
+#ifndef BI_BITFIELDS
#define BI_BITFIELDS 3
#endif
int height = (int)dbuf[1];
if (width > 32767)
{
- fprintf(stderr, "IMLIB ERROR: Image width > 32767 pixels for file\n");
+ wxLogError( "Image width > 32767 pixels for file\n" );
fclose(file);
return FALSE;
}
if (height > 32767)
{
- fprintf(stderr, "IMLIB ERROR: Image height > 32767 pixels for file\n");
+ wxLogError( "Image height > 32767 pixels for file\n" );
fclose(file);
return FALSE;
}
bpp = (int)word;
if (bpp != 1 && bpp != 4 && bpp != 8 && bpp && 16 && bpp != 24 && bpp != 32)
{
- fprintf(stderr, "IMLIB ERROR: unknown bitdepth in file\n");
+ wxLogError( "unknown bitdepth in file\n" );
fclose(file);
return FALSE;
}
comp = (int)dbuf[0];
if (comp != BI_RGB && comp != BI_RLE4 && comp != BI_RLE8 && comp != BI_BITFIELDS)
{
- fprintf(stderr, "IMLIB ERROR: unknown encoding in Windows BMP file\n");
+ wxLogError( "unknown encoding in Windows BMP file\n" );
fclose(file);
return FALSE;
}
/* some more sanity checks */
if (((comp == BI_RLE4) && (bpp != 4)) || ((comp == BI_RLE8) && (bpp != 8)) || ((comp == BI_BITFIELDS) && (bpp != 16 && bpp != 32)))
{
- fprintf(stderr, "IMLIB ERROR: encoding of BMP doesn't match bitdepth\n");
+ wxLogError( "encoding of BMP doesn't match bitdepth\n" );
fclose(file);
return FALSE;
}
if (!cmap)
{
- fprintf(stderr, "IMLIB ERROR: Cannot allocate RAM for color map in BMP file\n");
+ wxLogError( "Cannot allocate RAM for color map in BMP file\n" );
fclose(file);
return FALSE;
}
ptr = image->GetData();
if (!ptr)
{
- fprintf(stderr, "IMLIB ERROR: Cannot allocate RAM for RGB data in file\n");
+ wxLogError( "Cannot allocate RAM for RGB data in file\n" );
fclose(file);
if (cmap)
free(cmap);
}
/*
- * REading the image data
+ * Reading the image data
*/
fseek(file, offset, SEEK_SET);
data = ptr;
{
if (comp == BI_RLE4)
{
- fprintf(stderr, "can't deal with 4bit encoded yet.\n");
+ wxLogError( "can't deal with 4bit encoded yet.\n");
image->Destroy();
free(cmap);
return FALSE;
for( int i=0; i<width*height; i++ )
{
if( (*(ptdata++)!=r) | (*(ptdata++)!=g) | (*(ptdata++)!=b) )
- {
- *(ptbits++) = zero;
- *(ptbits++) = zero;
- *(ptbits++) = zero;
- }
- else
{
*(ptbits++) = one;
*(ptbits++) = one;
*(ptbits++) = one;
}
+ else
+ {
+ *(ptbits++) = zero;
+ *(ptbits++) = zero;
+ *(ptbits++) = zero;
+ }
}
hbitmap = ::CreateBitmap( (WORD)width, (WORD)height, 1, 1, NULL );
::SetDIBits( hdc, hbitmap, 0, (WORD)height, lpBits, lpDIBh, DIB_RGB_COLORS);
- wxMask bmpmask;
- bmpmask.SetMaskBitmap( (WXHBITMAP) hbitmap );
- bitmap.SetMask( &bmpmask );
+ wxMask *mask = new wxMask();
+ mask->SetMaskBitmap( (WXHBITMAP) hbitmap );
+ bitmap.SetMask( mask );
/* The following can also be used but is slow to run
wxColour colour( GetMaskRed(), GetMaskGreen(), GetMaskBlue());
- wxMask bmpmask( bitmap, colour );
- bitmap.SetMask( &bmpmask );
+ wxMask *mask = new wxMask( bitmap, colour );
+ bitmap.SetMask( mask );
*/
}
#endif
+#ifdef __WXGTK__
+
+#include "gtk/gtk.h"
+#include "gdk/gdk.h"
+#include "gdk/gdkx.h"
+
+wxBitmap wxImage::ConvertToBitmap() const
+{
+ wxBitmap bitmap;
+
+ wxCHECK_MSG( Ok(), bitmap, "invalid image" );
+
+ int width = GetWidth();
+ int height = GetHeight();
+
+ bitmap.SetHeight( height );
+ bitmap.SetWidth( width );
+
+ // Create picture
+
+ GdkImage *data_image =
+ gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(), width, height );
+
+ bitmap.SetPixmap( gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, -1 ) );
+
+ // Create mask
+
+ GdkImage *mask_image = (GdkImage*) NULL;
+
+ if (HasMask())
+ {
+ unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
+
+ mask_image = gdk_image_new_bitmap( gdk_visual_get_system(), mask_data, width, height );
+
+ wxMask *mask = new wxMask();
+ mask->m_bitmap = gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, 1 );
+
+ bitmap.SetMask( mask );
+ }
+
+ // Retrieve depth
+
+ GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() );
+ if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent );
+ int bpp = visual->depth;
+
+ bitmap.SetDepth( bpp );
+
+ if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
+ if (bpp < 8) bpp = 8;
+
+ // Render
+
+ enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
+ byte_order b_o = RGB;
+
+ if (bpp >= 24)
+ {
+ GdkVisual *visual = gdk_visual_get_system();
+ if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask)) b_o = RGB;
+ else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask)) b_o = RGB;
+ else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask)) b_o = BRG;
+ else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR;
+ else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask)) b_o = GRB;
+ else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask)) b_o = GBR;
+ }
+
+ int r_mask = GetMaskRed();
+ int g_mask = GetMaskGreen();
+ int b_mask = GetMaskBlue();
+
+ unsigned char* data = GetData();
+
+ int index = 0;
+ for (int y = 0; y < height; y++)
+ {
+ for (int x = 0; x < width; x++)
+ {
+ int r = data[index];
+ index++;
+ int g = data[index];
+ index++;
+ int b = data[index];
+ index++;
+
+ if (HasMask())
+ {
+ 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 );
+ }
+
+ switch (bpp)
+ {
+ case 8:
+ {
+ GdkColormap *cmap = gtk_widget_get_default_colormap();
+ GdkColor *colors = cmap->colors;
+ int max = 3 * (65536);
+ int index = -1;
+
+ for (int i = 0; i < cmap->size; i++)
+ {
+ int rdiff = (r << 8) - colors[i].red;
+ int gdiff = (g << 8) - colors[i].green;
+ int bdiff = (b << 8) - colors[i].blue;
+ int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
+ if (sum < max) { index = i; max = sum; }
+ }
+
+ gdk_image_put_pixel( data_image, x, y, index );
+
+ break;
+ }
+ case 15:
+ {
+ guint32 pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3);
+ gdk_image_put_pixel( data_image, x, y, pixel );
+ break;
+ }
+ case 16:
+ {
+ guint32 pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3);
+ gdk_image_put_pixel( data_image, x, y, pixel );
+ break;
+ }
+ case 32:
+ case 24:
+ {
+ guint32 pixel = 0;
+ switch (b_o)
+ {
+ case RGB: pixel = (r << 16) | (g << 8) | b; break;
+ case RBG: pixel = (r << 16) | (b << 8) | g; break;
+ case BRG: pixel = (b << 16) | (r << 8) | g; break;
+ case BGR: pixel = (b << 16) | (g << 8) | r; break;
+ case GRB: pixel = (g << 16) | (r << 8) | b; break;
+ case GBR: pixel = (g << 16) | (b << 8) | r; break;
+ }
+ gdk_image_put_pixel( data_image, x, y, pixel );
+ }
+ default: break;
+ }
+ } // for
+ } // for
+
+ // Blit picture
+
+ GdkGC *data_gc = gdk_gc_new( bitmap.GetPixmap() );
+
+ gdk_draw_image( bitmap.GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
+
+ gdk_image_destroy( data_image );
+ gdk_gc_unref( data_gc );
+
+ // Blit mask
+
+ if (HasMask())
+ {
+ GdkGC *mask_gc = gdk_gc_new( bitmap.GetMask()->GetBitmap() );
+
+ gdk_draw_image( bitmap.GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
+
+ gdk_image_destroy( mask_image );
+ gdk_gc_unref( mask_gc );
+ }
+
+ return bitmap;
+}
+
+wxImage::wxImage( const wxBitmap &bitmap )
+{
+ wxCHECK_RET( bitmap.Ok(), "invalid bitmap" );
+
+ GdkImage *gdk_image = gdk_image_get( bitmap.GetPixmap(),
+ 0, 0,
+ bitmap.GetWidth(), bitmap.GetHeight() );
+
+ wxCHECK_RET( gdk_image, "couldn't create image" );
+
+ Create( bitmap.GetWidth(), bitmap.GetHeight() );
+ char unsigned *data = GetData();
+
+ if (!data)
+ {
+ gdk_image_destroy( gdk_image );
+ wxFAIL_MSG( "couldn't create image" );
+ return;
+ }
+
+ GdkImage *gdk_image_mask = (GdkImage*) NULL;
+ if (bitmap.GetMask())
+ {
+ gdk_image_mask = gdk_image_get( bitmap.GetMask()->GetBitmap(),
+ 0, 0,
+ bitmap.GetWidth(), bitmap.GetHeight() );
+
+ SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable
+ }
+
+ GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() );
+ if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent );
+ int bpp = visual->depth;
+ if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
+
+ GdkColormap *cmap = gtk_widget_get_default_colormap();
+
+ long pos = 0;
+ for (int j = 0; j < bitmap.GetHeight(); j++)
+ {
+ for (int i = 0; i < bitmap.GetWidth(); i++)
+ {
+ int pixel = gdk_image_get_pixel( gdk_image, i, j );
+ if (bpp <= 8)
+ {
+ data[pos] = cmap->colors[pixel].red >> 8;
+ data[pos+1] = cmap->colors[pixel].green >> 8;
+ data[pos+2] = cmap->colors[pixel].blue >> 8;
+ } else if (bpp == 15)
+ {
+ data[pos] = (pixel >> 7) & 0xf8;
+ data[pos+1] = (pixel >> 2) & 0xf8;
+ data[pos+2] = (pixel << 3) & 0xf8;
+ } else if (bpp == 16)
+ {
+ data[pos] = (pixel >> 8) & 0xf8;
+ data[pos+1] = (pixel >> 3) & 0xfc;
+ data[pos+2] = (pixel << 3) & 0xf8;
+ } else
+ {
+ data[pos] = (pixel >> 16) & 0xff;
+ data[pos+1] = (pixel >> 8) & 0xff;
+ data[pos+2] = pixel & 0xff;
+ }
+
+ if (gdk_image_mask)
+ {
+ int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j );
+ if (mask_pixel == 0)
+ {
+ data[pos] = 16;
+ data[pos+1] = 16;
+ data[pos+2] = 16;
+ }
+ }
+
+ pos += 3;
+ }
+ }
+
+ gdk_image_destroy( gdk_image );
+ if (gdk_image_mask) gdk_image_destroy( gdk_image_mask );
+}
+
+#endif
projects / wxWidgets.git / blobdiff