Mercurial > sdl-ios-xcode
changeset 2970:94b634c56455
Added support for translucent icons on Windows
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 03 Jan 2009 01:01:53 +0000 |
| parents | 1ee69e7e7cea |
| children | a3012c6652ff |
| files | src/video/win32/SDL_win32video.c src/video/win32/SDL_win32window.c src/video/win32/SDL_win32window.h |
| diffstat | 3 files changed, 61 insertions(+), 0 deletions(-) [+] |
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--- a/src/video/win32/SDL_win32video.c Sat Jan 03 01:00:38 2009 +0000 +++ b/src/video/win32/SDL_win32video.c Sat Jan 03 01:01:53 2009 +0000 @@ -146,6 +146,7 @@ device->CreateWindow = WIN_CreateWindow; device->CreateWindowFrom = WIN_CreateWindowFrom; device->SetWindowTitle = WIN_SetWindowTitle; + device->SetWindowIcon = WIN_SetWindowIcon; device->SetWindowPosition = WIN_SetWindowPosition; device->SetWindowSize = WIN_SetWindowSize; device->ShowWindow = WIN_ShowWindow;
--- a/src/video/win32/SDL_win32window.c Sat Jan 03 01:00:38 2009 +0000 +++ b/src/video/win32/SDL_win32window.c Sat Jan 03 01:01:53 2009 +0000 @@ -30,6 +30,7 @@ #include "SDL_config.h" #include "../SDL_sysvideo.h" +#include "../SDL_pixels_c.h" #include "../../events/SDL_keyboard_c.h" #include "SDL_win32video.h" @@ -312,6 +313,64 @@ } void +WIN_SetWindowIcon(_THIS, SDL_Window * window, SDL_Surface * icon) +{ + HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd; + HICON hicon = NULL; + + if(icon) { + BYTE *icon_bmp; + int icon_len; + SDL_RWops *dst; + SDL_PixelFormat format; + SDL_Surface *surface; + + /* Create temporary bitmap buffer */ + icon_len = 40 + icon->h * icon->w * 4; + icon_bmp = SDL_stack_alloc(BYTE, icon_len); + dst = SDL_RWFromMem(icon_bmp, icon_len); + if (!dst) { + SDL_stack_free(icon_bmp); + return; + } + + /* Write the BITMAPINFO header */ + SDL_WriteLE32(dst, 40); + SDL_WriteLE32(dst, icon->w); + SDL_WriteLE32(dst, icon->h*2); + SDL_WriteLE16(dst, 1); + SDL_WriteLE16(dst, 32); + SDL_WriteLE32(dst, BI_RGB); + SDL_WriteLE32(dst, icon->h * icon->w * 4); + SDL_WriteLE32(dst, 0); + SDL_WriteLE32(dst, 0); + SDL_WriteLE32(dst, 0); + SDL_WriteLE32(dst, 0); + + /* Convert the icon to a 32-bit surface with alpha channel */ + SDL_InitFormat(&format, 32, + 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000); + surface = SDL_ConvertSurface(icon, &format, 0); + if (surface) { + /* Write the pixels upside down into the bitmap buffer */ + int y = surface->h; + while (y--) { + Uint8 *src = (Uint8 *)surface->pixels + y * surface->pitch; + SDL_RWwrite(dst, src, surface->pitch, 1); + } + SDL_FreeSurface(surface); + + hicon = CreateIconFromResource(icon_bmp, icon_len, TRUE, 0x00030000); + } + SDL_RWclose(dst); + SDL_stack_free(icon_bmp); + } + + /* Set the icon */ + SendMessage(hwnd, WM_SETICON, ICON_SMALL, (LPARAM)hicon); +} + +void WIN_SetWindowPosition(_THIS, SDL_Window * window) { HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
--- a/src/video/win32/SDL_win32window.h Sat Jan 03 01:00:38 2009 +0000 +++ b/src/video/win32/SDL_win32window.h Sat Jan 03 01:01:53 2009 +0000 @@ -38,6 +38,7 @@ extern int WIN_CreateWindow(_THIS, SDL_Window * window); extern int WIN_CreateWindowFrom(_THIS, SDL_Window * window, const void *data); extern void WIN_SetWindowTitle(_THIS, SDL_Window * window); +extern void WIN_SetWindowIcon(_THIS, SDL_Window * window, SDL_Surface * icon); extern void WIN_SetWindowPosition(_THIS, SDL_Window * window); extern void WIN_SetWindowSize(_THIS, SDL_Window * window); extern void WIN_ShowWindow(_THIS, SDL_Window * window);