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use CreateMemDCFromMyBitmap instead of common_rgba8888_dc for DrawIcon()

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Vincent Wei
2022-11-27 16:02:22 +08:00
parent 81c061c3c8
commit 2338501d21
1 changed files with 13 additions and 5 deletions
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18
src/newgdi/icon.c
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@@ -625,12 +625,18 @@ void GUIAPI DrawIcon (HDC hdc, int x, int y, int w, int h, HICON hicon)
HDC icon_dc;
PICON picon = (PICON)hicon;
icon_dc = __mg_get_common_rgba8888_dc();
if (icon_dc == HDC_INVALID)
return;
MYBITMAP icon_bmp = { };
icon_bmp.flags = MYBMP_TYPE_RGBA | MYBMP_ALPHA;
icon_bmp.frames = 1;
icon_bmp.depth = 32;
icon_bmp.w = picon->width;
icon_bmp.h = picon->height;
icon_bmp.pitch = picon->pitch;
icon_bmp.size =picon->pitch * picon->height;
icon_bmp.bits = picon->pixels;
if (!__mg_reset_common_rgba8888_dc (picon->width, picon->height,
picon->pitch, picon->pixels))
icon_dc = CreateMemDCFromMyBitmap(&icon_bmp, NULL);
if (icon_dc == HDC_INVALID)
return;
if (w <= 0) w = picon->width;
@@ -645,5 +651,7 @@ void GUIAPI DrawIcon (HDC hdc, int x, int y, int w, int h, HICON hicon)
BitBlt (icon_dc, 0, 0, picon->width, picon->height,
hdc, x, y, 0);
}
DeleteMemDC(icon_dc);
}