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Fixed tiled render math. Fixes #156.

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Leonardo 2018-01-04 10:22:57 -08:00
parent 1e99d7050a
commit e097ad630b
1 changed files with 4 additions and 4 deletions
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8
common/view.cpp
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@ -732,15 +732,15 @@ void View::OnDraw()
quint32 TileY = 0, SrcY = 0; quint32 TileY = 0, SrcY = 0;
if (CurrentTileRow != TotalTileRows - 1) if (CurrentTileRow != TotalTileRows - 1)
TileY = (TotalTileRows - CurrentTileRow - 1) * mHeight - (mHeight - mRenderImage.height() % mHeight); TileY = (TotalTileRows - CurrentTileRow - 1) * mHeight - ((mHeight - mRenderImage.height() % mHeight) % mHeight);
else if (TotalTileRows > 1 || TotalTileColumns > 1) else if (TotalTileRows > 1)
SrcY = mHeight - mRenderImage.height() % mHeight; SrcY = (mHeight - mRenderImage.height() % mHeight) % mHeight;
quint32 TileStart = ((CurrentTileColumn * mWidth) + (TileY * mRenderImage.width())) * 4; quint32 TileStart = ((CurrentTileColumn * mWidth) + (TileY * mRenderImage.width())) * 4;
for (int y = 0; y < CurrentTileHeight; y++) for (int y = 0; y < CurrentTileHeight; y++)
{ {
quint8* src = Buffer + (SrcY + y) * CurrentTileWidth * 4; quint8* src = Buffer + (SrcY + y) * mWidth * 4;
quint8* dst = ImageBuffer + TileStart + y * mRenderImage.width() * 4; quint8* dst = ImageBuffer + TileStart + y * mRenderImage.width() * 4;
memcpy(dst, src, CurrentTileWidth * 4); memcpy(dst, src, CurrentTileWidth * 4);