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Add pattern fill for FillScanlineSpan

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elasota
2019-12-29 03:01:44 -05:00
parent 9e4f1f64dc
commit 8530d92062
1 changed files with 38 additions and 9 deletions
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45
PortabilityLayer/PLQDraw.cpp
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@@ -583,10 +583,34 @@ void PaintOval(const Rect *rect)
}
}
void FillScanlineSpan(uint8_t *rowStart, size_t startCol, size_t endCol)
static void FillScanlineSpan(uint8_t *rowStart, size_t startCol, size_t endCol, uint8_t patternByte, uint8_t foreColor, uint8_t bgColor, bool mask)
{
if (patternByte == 0xff)
{
for (size_t col = startCol; col < endCol; col++)
rowStart[col] = 255;
rowStart[col] = foreColor;
}
else
{
if (mask)
{
for (size_t col = startCol; col < endCol; col++)
{
if (patternByte & (0x80 >> (col & 7)))
rowStart[col] = foreColor;
}
}
else
{
for (size_t col = startCol; col < endCol; col++)
{
if (patternByte & (0x80 >> (col & 7)))
rowStart[col] = foreColor;
else
rowStart[col] = bgColor;
}
}
}
}
void FillScanlineMask(const PortabilityLayer::ScanlineMask *scanlineMask)
@@ -622,7 +646,9 @@ void FillScanlineMask(const PortabilityLayer::ScanlineMask *scanlineMask)
spanRemaining -= iter.Next();
}
uint8_t color8 = 0;
uint8_t foreColor8 = 0;
uint8_t backColor8 = 0;
const bool isMask = qdState->m_penMask;
const GpPixelFormat_t pixelFormat = pixMap->m_pixelFormat;
@@ -630,7 +656,8 @@ void FillScanlineMask(const PortabilityLayer::ScanlineMask *scanlineMask)
switch (pixMap->m_pixelFormat)
{
case GpPixelFormats::k8BitStandard:
color8 = qdState->ResolveForeColor8(nullptr, 256);
foreColor8 = qdState->ResolveForeColor8(nullptr, 256);
backColor8 = qdState->ResolveBackColor8(nullptr, 256);
break;
default:
PL_NotYetImplemented();
@@ -660,6 +687,7 @@ void FillScanlineMask(const PortabilityLayer::ScanlineMask *scanlineMask)
for (size_t row = 0; row < numRows; row++)
{
uint8_t *thisRowStart = firstRowStart + row * pitch;
uint8_t thisRowPatternRow = pattern8x8[row & 7];
bool spanState = false;
@@ -699,7 +727,7 @@ void FillScanlineMask(const PortabilityLayer::ScanlineMask *scanlineMask)
{
const size_t spanEndCol = spanStartCol + currentSpan;
if (spanState)
FillScanlineSpan(thisRowStart, spanStartCol, spanEndCol);
FillScanlineSpan(thisRowStart, spanStartCol, spanEndCol, thisRowPatternRow, foreColor8, backColor8, isMask);
spanStartCol = spanEndCol;
paintColsRemaining -= currentSpan;
@@ -712,7 +740,7 @@ void FillScanlineMask(const PortabilityLayer::ScanlineMask *scanlineMask)
if (spanState)
{
const size_t spanEndCol = firstPortCol + constrainedRectWidth;
FillScanlineSpan(thisRowStart, spanStartCol, spanEndCol);
FillScanlineSpan(thisRowStart, spanStartCol, spanEndCol, thisRowPatternRow, foreColor8, backColor8, isMask);
}
if (row != numRows - 1)
@@ -753,7 +781,7 @@ void FrameRect(const Rect *rect)
void FrameOval(const Rect *rect)
{
PL_NotYetImplemented_TODO("Ovals");
FrameRect(rect);
}
void FrameRoundRect(const Rect *rect, int w, int h)
@@ -775,7 +803,8 @@ void PenMask(bool maskMode)
void PenPat(const Pattern *pattern)
{
PL_NotYetImplemented_TODO("Polys");
PortabilityLayer::QDState *qdState = PortabilityLayer::QDManager::GetInstance()->GetState();
qdState->SetPenPattern8x8(*pattern);
}
void PenSize(int w, int h)