diff options
Diffstat (limited to 'engines/sci/graphics/celobj32.h')
| -rw-r--r-- | engines/sci/graphics/celobj32.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/engines/sci/graphics/celobj32.h b/engines/sci/graphics/celobj32.h index 1422b76a57..5707333818 100644 --- a/engines/sci/graphics/celobj32.h +++ b/engines/sci/graphics/celobj32.h @@ -547,6 +547,34 @@ public: */ class CelObjMem : public CelObj { public: + /** + * Writes a bitmap header to the given data buffer. + */ + static void buildBitmapHeader(byte *bitmap, const int16 width, const int16 height, const uint8 skipColor, const int16 displaceX, const int16 displaceY, const int16 scaledWidth, const int16 scaledHeight, const uint32 hunkPaletteOffset, const bool useRemap); + + /** + * Gets the size of the bitmap header for the current + * engine version. + */ + inline static uint32 getBitmapHeaderSize() { + // TODO: These values are accurate for each engine, but there may be no reason + // to not simply just always use size 40, since SCI2.1mid does not seem to + // actually store any data above byte 40, and SCI2 did not allow bitmaps with + // scaling resolutions other than the default (320x200). Perhaps SCI3 used + // the extra bytes, or there is some reason why they tried to align the header + // size with other headers like pic headers? +// uint32 bitmapHeaderSize; +// if (getSciVersion() >= SCI_VERSION_2_1_MIDDLE) { +// bitmapHeaderSize = 46; +// } else if (getSciVersion() == SCI_VERSION_2_1_EARLY) { +// bitmapHeaderSize = 40; +// } else { +// bitmapHeaderSize = 36; +// } +// return bitmapHeaderSize; + return 46; + } + CelObjMem(reg_t bitmap); virtual ~CelObjMem() override {}; |