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path: root/core/fxge/dib/fx_dib_engine.cpp
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Diffstat (limited to 'core/fxge/dib/fx_dib_engine.cpp')
-rw-r--r--core/fxge/dib/fx_dib_engine.cpp91
1 files changed, 45 insertions, 46 deletions
diff --git a/core/fxge/dib/fx_dib_engine.cpp b/core/fxge/dib/fx_dib_engine.cpp
index 47dcf03259..c004aac538 100644
--- a/core/fxge/dib/fx_dib_engine.cpp
+++ b/core/fxge/dib/fx_dib_engine.cpp
@@ -308,8 +308,7 @@ CStretchEngine::CStretchEngine(IFX_ScanlineComposer* pDestBitmap,
m_SrcHeight = pSrcBitmap->GetHeight();
m_SrcPitch = (m_SrcWidth * m_SrcBpp + 31) / 32 * 4;
if ((flags & FXDIB_NOSMOOTH) == 0) {
- FX_BOOL bInterpol =
- flags & FXDIB_INTERPOL || flags & FXDIB_BICUBIC_INTERPOL;
+ bool bInterpol = flags & FXDIB_INTERPOL || flags & FXDIB_BICUBIC_INTERPOL;
if (!bInterpol && FXSYS_abs(dest_width) != 0 &&
FXSYS_abs(dest_height) / 8 < static_cast<long long>(m_SrcWidth) *
m_SrcHeight / FXSYS_abs(dest_width)) {
@@ -382,29 +381,29 @@ CStretchEngine::~CStretchEngine() {
FX_Free(m_pDestMaskScanline);
}
-FX_BOOL CStretchEngine::Continue(IFX_Pause* pPause) {
+bool CStretchEngine::Continue(IFX_Pause* pPause) {
while (m_State == 1) {
if (ContinueStretchHorz(pPause)) {
- return TRUE;
+ return true;
}
m_State = 2;
StretchVert();
}
- return FALSE;
+ return false;
}
-FX_BOOL CStretchEngine::StartStretchHorz() {
+bool CStretchEngine::StartStretchHorz() {
if (m_DestWidth == 0 || m_InterPitch == 0 || !m_pDestScanline)
- return FALSE;
+ return false;
if (m_SrcClip.Height() == 0 ||
m_SrcClip.Height() > (1 << 29) / m_InterPitch) {
- return FALSE;
+ return false;
}
m_pInterBuf = FX_TryAlloc(unsigned char, m_SrcClip.Height() * m_InterPitch);
if (!m_pInterBuf)
- return FALSE;
+ return false;
if (m_pSource && m_bHasAlpha && m_pSource->m_pAlphaMask) {
m_pExtraAlphaBuf =
@@ -412,25 +411,25 @@ FX_BOOL CStretchEngine::StartStretchHorz() {
uint32_t size = (m_DestClip.Width() * 8 + 31) / 32 * 4;
m_pDestMaskScanline = FX_TryAlloc(unsigned char, size);
if (!m_pDestMaskScanline)
- return FALSE;
+ return false;
}
bool ret =
m_WeightTable.Calc(m_DestWidth, m_DestClip.left, m_DestClip.right,
m_SrcWidth, m_SrcClip.left, m_SrcClip.right, m_Flags);
if (!ret)
- return FALSE;
+ return false;
m_CurRow = m_SrcClip.top;
m_State = 1;
- return TRUE;
+ return true;
}
-FX_BOOL CStretchEngine::ContinueStretchHorz(IFX_Pause* pPause) {
+bool CStretchEngine::ContinueStretchHorz(IFX_Pause* pPause) {
if (!m_DestWidth)
- return FALSE;
+ return false;
if (m_pSource->SkipToScanline(m_CurRow, pPause))
- return TRUE;
+ return true;
int Bpp = m_DestBpp / 8;
static const int kStrechPauseRows = 10;
@@ -438,7 +437,7 @@ FX_BOOL CStretchEngine::ContinueStretchHorz(IFX_Pause* pPause) {
for (; m_CurRow < m_SrcClip.bottom; m_CurRow++) {
if (rows_to_go == 0) {
if (pPause && pPause->NeedToPauseNow())
- return TRUE;
+ return true;
rows_to_go = kStrechPauseRows;
}
@@ -464,7 +463,7 @@ FX_BOOL CStretchEngine::ContinueStretchHorz(IFX_Pause* pPause) {
int* pWeight =
m_WeightTable.GetValueFromPixelWeight(pPixelWeights, j);
if (!pWeight)
- return FALSE;
+ return false;
int pixel_weight = *pWeight;
if (src_scan[j / 8] & (1 << (7 - j % 8))) {
@@ -487,7 +486,7 @@ FX_BOOL CStretchEngine::ContinueStretchHorz(IFX_Pause* pPause) {
int* pWeight =
m_WeightTable.GetValueFromPixelWeight(pPixelWeights, j);
if (!pWeight)
- return FALSE;
+ return false;
int pixel_weight = *pWeight;
dest_a += pixel_weight * src_scan[j];
@@ -508,7 +507,7 @@ FX_BOOL CStretchEngine::ContinueStretchHorz(IFX_Pause* pPause) {
int* pWeight =
m_WeightTable.GetValueFromPixelWeight(pPixelWeights, j);
if (!pWeight)
- return FALSE;
+ return false;
int pixel_weight = *pWeight;
pixel_weight = pixel_weight * src_scan_mask[j] / 255;
@@ -533,7 +532,7 @@ FX_BOOL CStretchEngine::ContinueStretchHorz(IFX_Pause* pPause) {
int* pWeight =
m_WeightTable.GetValueFromPixelWeight(pPixelWeights, j);
if (!pWeight)
- return FALSE;
+ return false;
int pixel_weight = *pWeight;
unsigned long argb_cmyk = m_pSrcPalette[src_scan[j]];
@@ -570,7 +569,7 @@ FX_BOOL CStretchEngine::ContinueStretchHorz(IFX_Pause* pPause) {
int* pWeight =
m_WeightTable.GetValueFromPixelWeight(pPixelWeights, j);
if (!pWeight)
- return FALSE;
+ return false;
int pixel_weight = *pWeight;
pixel_weight = pixel_weight * src_scan_mask[j] / 255;
@@ -611,7 +610,7 @@ FX_BOOL CStretchEngine::ContinueStretchHorz(IFX_Pause* pPause) {
int* pWeight =
m_WeightTable.GetValueFromPixelWeight(pPixelWeights, j);
if (!pWeight)
- return FALSE;
+ return false;
int pixel_weight = *pWeight;
const uint8_t* src_pixel = src_scan + j * Bpp;
@@ -643,7 +642,7 @@ FX_BOOL CStretchEngine::ContinueStretchHorz(IFX_Pause* pPause) {
int* pWeight =
m_WeightTable.GetValueFromPixelWeight(pPixelWeights, j);
if (!pWeight)
- return FALSE;
+ return false;
int pixel_weight = *pWeight;
const uint8_t* src_pixel = src_scan + j * Bpp;
@@ -682,7 +681,7 @@ FX_BOOL CStretchEngine::ContinueStretchHorz(IFX_Pause* pPause) {
}
rows_to_go--;
}
- return FALSE;
+ return false;
}
void CStretchEngine::StretchVert() {
@@ -865,8 +864,8 @@ CFX_ImageStretcher::CFX_ImageStretcher(IFX_ScanlineComposer* pDest,
: m_pDest(pDest),
m_pSource(pSource),
m_Flags(flags),
- m_bFlipX(FALSE),
- m_bFlipY(FALSE),
+ m_bFlipX(false),
+ m_bFlipY(false),
m_DestWidth(dest_width),
m_DestHeight(dest_height),
m_ClipRect(bitmap_rect),
@@ -877,9 +876,9 @@ CFX_ImageStretcher::CFX_ImageStretcher(IFX_ScanlineComposer* pDest,
CFX_ImageStretcher::~CFX_ImageStretcher() {
}
-FX_BOOL CFX_ImageStretcher::Start() {
+bool CFX_ImageStretcher::Start() {
if (m_DestWidth == 0 || m_DestHeight == 0)
- return FALSE;
+ return false;
if (m_pSource->GetFormat() == FXDIB_1bppRgb && m_pSource->GetPalette()) {
FX_ARGB pal[256];
@@ -895,7 +894,7 @@ FX_BOOL CFX_ImageStretcher::Start() {
}
if (!m_pDest->SetInfo(m_ClipRect.Width(), m_ClipRect.Height(), m_DestFormat,
pal)) {
- return FALSE;
+ return false;
}
} else if (m_pSource->GetFormat() == FXDIB_1bppCmyk &&
m_pSource->GetPalette()) {
@@ -912,11 +911,11 @@ FX_BOOL CFX_ImageStretcher::Start() {
}
if (!m_pDest->SetInfo(m_ClipRect.Width(), m_ClipRect.Height(), m_DestFormat,
pal)) {
- return FALSE;
+ return false;
}
} else if (!m_pDest->SetInfo(m_ClipRect.Width(), m_ClipRect.Height(),
m_DestFormat, nullptr)) {
- return FALSE;
+ return false;
}
if (m_Flags & FXDIB_DOWNSAMPLE)
@@ -924,40 +923,40 @@ FX_BOOL CFX_ImageStretcher::Start() {
return StartStretch();
}
-FX_BOOL CFX_ImageStretcher::Continue(IFX_Pause* pPause) {
+bool CFX_ImageStretcher::Continue(IFX_Pause* pPause) {
if (m_Flags & FXDIB_DOWNSAMPLE)
return ContinueQuickStretch(pPause);
return ContinueStretch(pPause);
}
-FX_BOOL CFX_ImageStretcher::StartStretch() {
+bool CFX_ImageStretcher::StartStretch() {
m_pStretchEngine = pdfium::MakeUnique<CStretchEngine>(
m_pDest, m_DestFormat, m_DestWidth, m_DestHeight, m_ClipRect, m_pSource,
m_Flags);
m_pStretchEngine->StartStretchHorz();
if (SourceSizeWithinLimit(m_pSource->GetWidth(), m_pSource->GetHeight())) {
m_pStretchEngine->Continue(nullptr);
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}
-FX_BOOL CFX_ImageStretcher::ContinueStretch(IFX_Pause* pPause) {
+bool CFX_ImageStretcher::ContinueStretch(IFX_Pause* pPause) {
return m_pStretchEngine && m_pStretchEngine->Continue(pPause);
}
-FX_BOOL CFX_ImageStretcher::StartQuickStretch() {
+bool CFX_ImageStretcher::StartQuickStretch() {
if (m_DestWidth < 0) {
- m_bFlipX = TRUE;
+ m_bFlipX = true;
m_DestWidth = -m_DestWidth;
}
if (m_DestHeight < 0) {
- m_bFlipY = TRUE;
+ m_bFlipY = true;
m_DestHeight = -m_DestHeight;
}
uint32_t size = m_ClipRect.Width();
if (size && m_DestBPP > (int)(INT_MAX / size)) {
- return FALSE;
+ return false;
}
size *= m_DestBPP;
m_pScanline.reset(FX_Alloc(uint8_t, (size / 8 + 3) / 4 * 4));
@@ -966,14 +965,14 @@ FX_BOOL CFX_ImageStretcher::StartQuickStretch() {
if (SourceSizeWithinLimit(m_pSource->GetWidth(), m_pSource->GetHeight())) {
ContinueQuickStretch(nullptr);
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}
-FX_BOOL CFX_ImageStretcher::ContinueQuickStretch(IFX_Pause* pPause) {
+bool CFX_ImageStretcher::ContinueQuickStretch(IFX_Pause* pPause) {
if (!m_pScanline)
- return FALSE;
+ return false;
int result_width = m_ClipRect.Width();
int result_height = m_ClipRect.Height();
@@ -992,7 +991,7 @@ FX_BOOL CFX_ImageStretcher::ContinueQuickStretch(IFX_Pause* pPause) {
src_y = std::max(std::min(src_y, src_height - 1), 0);
if (m_pSource->SkipToScanline(src_y, pPause))
- return TRUE;
+ return true;
m_pSource->DownSampleScanline(src_y, m_pScanline.get(), m_DestBPP,
m_DestWidth, m_bFlipX, m_ClipRect.left,
@@ -1004,5 +1003,5 @@ FX_BOOL CFX_ImageStretcher::ContinueQuickStretch(IFX_Pause* pPause) {
}
m_pDest->ComposeScanline(dest_y, m_pScanline.get(), m_pMaskScanline.get());
}
- return FALSE;
+ return false;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-07 06:24:07 +0000