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Difference between revisions of "API-Truecolor"
m
added missing Graphics:: namespace prefix to crossBlit references
(removed references to convertScreenRect, which was removed as bloat) |
m (added missing Graphics:: namespace prefix to crossBlit references) |
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*Backends '''''must''''' place the highest color mode that is supported by the backend and the hardware at the beginning of the list returned by getSupportedFormats. | *Backends '''''must''''' place the highest color mode that is supported by the backend and the hardware at the beginning of the list returned by getSupportedFormats. | ||
*Backends ''should'' support graphics in RGB(A) color order, even if their hardware uses a different color order, but are not required to. | *Backends ''should'' support graphics in RGB(A) color order, even if their hardware uses a different color order, but are not required to. | ||
*Backends supporting color order conversion with limited hardware may use crossBlit, but are '''strongly recommended''' to use platform-optimized code. | *Backends supporting color order conversion with limited hardware may use Graphics::crossBlit, but are '''strongly recommended''' to use platform-optimized code. | ||
== Truecolor API initialization protocol == | == Truecolor API initialization protocol == | ||
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==== Miscellaneous ==== | ==== Miscellaneous ==== | ||
*bool crossBlit(byte *dst, const byte *src, int dstpitch, int srcpitch, int w, int h, Graphics::PixelFormat dstFmt, Graphics::PixelFormat srcFmt) | *bool Graphics::crossBlit(byte *dst, const byte *src, int dstpitch, int srcpitch, int w, int h, Graphics::PixelFormat dstFmt, Graphics::PixelFormat srcFmt) | ||
**blits a rectangle from a "surface" in srcFmt to a "surface" in dstFmt | **blits a rectangle from a "surface" in srcFmt to a "surface" in dstFmt | ||
**returns false if the blit fails (due to unsupported format conversion) | **returns false if the blit fails (due to unsupported format conversion) | ||