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CyberMask367
55d8df0c28
Replace the standalone wizard with a graphical installer featuring settings, update checks, install and uninstall flows, and optional GoldHEN and nanoDNS configuration. Add the packaging and artwork pipeline, preserve user settings across config updates, and include additional custom title mappings.
34 lines
1.2 KiB
C++
34 lines
1.2 KiB
C++
/* bitmap.h - minimal 32-bit BMP reader.
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*
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* The only image loader this platform can rely on is BMP. SDL2_image here has no
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* decoders compiled in at all -- IMG_Init reports "PNG images are not supported",
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* and the toolchain ships no PNG decoder header either -- so SDL_LoadBMP_RW is
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* the sole way in.
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*
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* Rolling our own rather than using SDL_LoadBMP is a deliberate trade. BMP is
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* about forty lines in the configuration we actually produce (32bpp, BI_RGB,
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* uncompressed), and reading it directly means the alpha channel is guaranteed to
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* arrive as alpha instead of depending on how SDL decides to interpret the mask.
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* Get that wrong and the button artwork composites against its own stored RGB and
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* appears as invisible dark blobs on a dark footer.
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*
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* Anything outside that configuration is rejected rather than guessed at.
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*/
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#ifndef INSTALLER_BITMAP_H
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#define INSTALLER_BITMAP_H
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#include <SDL2/SDL.h>
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namespace bitmap
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{
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// Loads a 32-bit uncompressed BMP from inside the package, e.g.
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// "/app0/assets/gfx/select.bmp".
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//
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// Returns an ARGB8888 surface, or NULL if the file is missing or is not a BMP in
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// the supported form. Never returns a surface without an alpha channel.
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SDL_Surface *Load(const char *path);
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} // namespace bitmap
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#endif |