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Finish Bitmap (#458)

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* Finish Bitmap

* Add missing vtable annotations

* Fixes

---------

Co-authored-by: Christian Semmler <mail@csemmler.com>
This commit is contained in:
Nathan M Gilbert
2024-01-19 09:38:06 -05:00
committed by GitHub
parent cecaced797
commit d5658efe02
6 changed files with 154 additions and 43 deletions
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83
LEGO1/omni/src/video/mxbitmap.cpp
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@@ -1,6 +1,7 @@
#include "mxbitmap.h"
#include "decomp.h"
#include "mxutil.h"
DECOMP_SIZE_ASSERT(MxBitmap, 0x20);
DECOMP_SIZE_ASSERT(MxBITMAPINFO, 0x428);
@@ -207,14 +208,88 @@ MxResult MxBitmap::LoadFile(HANDLE p_handle)
return result;
}
// STUB: LEGO1 0x100bce70
void MxBitmap::VTable0x2c(int, int, int, int, int, int, int)
// FUNCTION: LEGO1 0x100bce70
void MxBitmap::BitBlt(
MxBitmap* p_src,
MxS32 p_srcLeft,
MxS32 p_srcTop,
MxS32 p_dstLeft,
MxS32 p_dstTop,
MxS32 p_width,
MxS32 p_height
)
{
MxLong dstHeight = GetBmiHeightAbs();
MxLong srcHeight = p_src->GetBmiHeightAbs();
if (GetRectIntersection(
p_src->GetBmiWidth(),
srcHeight,
GetBmiWidth(),
dstHeight,
&p_srcLeft,
&p_srcTop,
&p_dstLeft,
&p_dstTop,
&p_width,
&p_height
)) {
MxU8* srcStart = p_src->GetStart(p_srcLeft, p_srcTop);
MxU8* dstStart = GetStart(p_dstLeft, p_dstTop);
MxLong srcStride = p_src->GetAdjustedStride();
MxLong dstStride = GetAdjustedStride();
while (p_height--) {
memcpy(dstStart, srcStart, p_width);
dstStart += dstStride;
srcStart += srcStride;
}
}
}
// STUB: LEGO1 0x100bd020
void MxBitmap::VTable0x30(int, int, int, int, int, int, int)
// FUNCTION: LEGO1 0x100bd020
void MxBitmap::BitBltTransparent(
MxBitmap* p_src,
MxS32 p_srcLeft,
MxS32 p_srcTop,
MxS32 p_dstLeft,
MxS32 p_dstTop,
MxS32 p_width,
MxS32 p_height
)
{
MxLong dstHeight = GetBmiHeightAbs();
MxLong srcHeight = p_src->GetBmiHeightAbs();
if (GetRectIntersection(
p_src->GetBmiWidth(),
srcHeight,
GetBmiWidth(),
dstHeight,
&p_srcLeft,
&p_srcTop,
&p_dstLeft,
&p_dstTop,
&p_width,
&p_height
)) {
MxU8* srcStart = p_src->GetStart(p_srcLeft, p_srcTop);
MxU8* dstStart = GetStart(p_dstLeft, p_dstTop);
MxLong srcStride = p_src->GetAdjustedStride() - p_width;
MxLong dstStride = GetAdjustedStride() - p_width;
for (MxS32 h = 0; h < p_height; h++) {
for (MxS32 w = 0; w < p_width; w++) {
if (*srcStart)
*dstStart = *srcStart;
srcStart++;
dstStart++;
}
srcStart += srcStride;
dstStart += dstStride;
}
}
}
// FUNCTION: LEGO1 0x100bd1c0