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wxImage now uses GTK 1.2's fast rendering code if possible

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2190 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
1999-04-16 09:52:32 +00:00
parent 24714ea3c5
commit ba0730de65
3 changed files with 49 additions and 18 deletions
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63
src/common/image.cpp
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@@ -1277,6 +1277,10 @@ wxImage::wxImage( const wxBitmap &bitmap )
#include "gdk/gdk.h"
#include "gdk/gdkx.h"
#if (GTK_MINOR_VERSION > 0)
#include "gdk/gdkrgb.h"
#endif
wxBitmap wxImage::ConvertToBitmap() const
{
wxBitmap bitmap;
@@ -1289,14 +1293,54 @@ wxBitmap wxImage::ConvertToBitmap() const
bitmap.SetHeight( height );
bitmap.SetWidth( width );
// Create picture
bitmap.SetPixmap( gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, -1 ) );
// 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;
#if (GTK_MINOR_VERSION > 0)
if (!HasMask() && (bpp > 8))
{
static bool s_hasInitialized = FALSE;
if (!s_hasInitialized)
{
gdk_rgb_init();
s_hasInitialized = TRUE;
}
GdkGC *gc = gdk_gc_new( bitmap.GetPixmap() );
gdk_draw_rgb_image( bitmap.GetPixmap(),
gc,
0, 0,
width, height,
GDK_RGB_DITHER_NONE,
GetData(),
width*3 );
gdk_gc_unref( gc );
return bitmap;
}
#endif
// Create picture image
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
// Create mask image
GdkImage *mask_image = (GdkImage*) NULL;
@@ -1312,17 +1356,6 @@ wxBitmap wxImage::ConvertToBitmap() const
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 };