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image update

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listbox fix
  iODBC fixes


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1378 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
1999-01-12 17:53:45 +00:00
parent 4a1acb45b0
commit f6fcbb63d0
19 changed files with 304 additions and 144 deletions
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33
src/common/image.cpp
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@@ -22,6 +22,7 @@
#include "wx/bitmap.h"
#include "wx/debug.h"
#include "wx/log.h"
#include "wx/app.h"
#ifdef wxUSE_LIBPNG
#include "../png/png.h"
#endif
@@ -1383,21 +1384,29 @@ wxBitmap wxImage::ConvertToBitmap() const
{
case 8:
{
GdkColormap *cmap = gtk_widget_get_default_colormap();
GdkColor *colors = cmap->colors;
int max = 3 * (65536);
int index = -1;
int pixel = -1;
if (wxTheApp->m_colorCube)
{
pixel = wxTheApp->m_colorCube
[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ];
}
else
{
GdkColormap *cmap = gtk_widget_get_default_colormap();
GdkColor *colors = cmap->colors;
int max = 3 * (65536);
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; }
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) { pixel = i; max = sum; }
}
}
gdk_image_put_pixel( data_image, x, y, index );
gdk_image_put_pixel( data_image, x, y, pixel );
break;
}