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path: root/core/fpdfapi/render/cpdf_renderstatus.cpp
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Diffstat (limited to 'core/fpdfapi/render/cpdf_renderstatus.cpp')
-rw-r--r--core/fpdfapi/render/cpdf_renderstatus.cpp74
1 files changed, 14 insertions, 60 deletions
diff --git a/core/fpdfapi/render/cpdf_renderstatus.cpp b/core/fpdfapi/render/cpdf_renderstatus.cpp
index 662377b647..2d66f9c48b 100644
--- a/core/fpdfapi/render/cpdf_renderstatus.cpp
+++ b/core/fpdfapi/render/cpdf_renderstatus.cpp
@@ -1167,17 +1167,7 @@ FX_RECT CPDF_RenderStatus::GetObjectClippedRect(
const CPDF_PageObject* pObj,
const CFX_Matrix* pObj2Device) const {
FX_RECT rect = pObj->GetBBox(pObj2Device);
- FX_RECT rtClip = m_pDevice->GetClipBox();
- CFX_Matrix dCTM = m_pDevice->GetCTM();
- float a = fabs(dCTM.a);
- float d = fabs(dCTM.d);
- if (a != 1.0f || d != 1.0f) {
- rect.right = rect.left + (int32_t)ceil((float)rect.Width() * a);
- rect.bottom = rect.top + (int32_t)ceil((float)rect.Height() * d);
- rtClip.right = rtClip.left + (int32_t)ceil((float)rtClip.Width() * a);
- rtClip.bottom = rtClip.top + (int32_t)ceil((float)rtClip.Height() * d);
- }
- rect.Intersect(rtClip);
+ rect.Intersect(m_pDevice->GetClipBox());
return rect;
}
@@ -1213,27 +1203,16 @@ void CPDF_RenderStatus::ProcessObjectNoClip(CPDF_PageObject* pObj,
bool CPDF_RenderStatus::DrawObjWithBlend(CPDF_PageObject* pObj,
const CFX_Matrix* pObj2Device) {
- bool bRet = false;
switch (pObj->GetType()) {
case CPDF_PageObject::PATH:
- bRet = ProcessPath(pObj->AsPath(), pObj2Device);
- break;
+ return ProcessPath(pObj->AsPath(), pObj2Device);
case CPDF_PageObject::IMAGE:
- bRet = ProcessImage(pObj->AsImage(), pObj2Device);
- break;
+ return ProcessImage(pObj->AsImage(), pObj2Device);
case CPDF_PageObject::FORM:
- bRet = ProcessForm(pObj->AsForm(), pObj2Device);
- break;
+ return ProcessForm(pObj->AsForm(), pObj2Device);
default:
- break;
+ return false;
}
- return bRet;
-}
-
-void CPDF_RenderStatus::GetScaledMatrix(CFX_Matrix& matrix) const {
- CFX_Matrix dCTM = m_pDevice->GetCTM();
- matrix.a *= fabs(dCTM.a);
- matrix.d *= fabs(dCTM.d);
}
void CPDF_RenderStatus::DrawObjWithBackground(CPDF_PageObject* pObj,
@@ -1254,7 +1233,6 @@ void CPDF_RenderStatus::DrawObjWithBackground(CPDF_PageObject* pObj,
}
CFX_Matrix matrix = *pObj2Device;
matrix.Concat(*buffer.GetMatrix());
- GetScaledMatrix(matrix);
CPDF_Dictionary* pFormResource = nullptr;
const CPDF_FormObject* pFormObj = pObj->AsForm();
if (pFormObj) {
@@ -1569,11 +1547,8 @@ bool CPDF_RenderStatus::ProcessTransparency(CPDF_PageObject* pPageObj,
if (rect.IsEmpty())
return true;
- CFX_Matrix deviceCTM = m_pDevice->GetCTM();
- float scaleX = fabs(deviceCTM.a);
- float scaleY = fabs(deviceCTM.d);
- int width = FXSYS_round((float)rect.Width() * scaleX);
- int height = FXSYS_round((float)rect.Height() * scaleY);
+ int width = rect.Width();
+ int height = rect.Height();
CFX_DefaultRenderDevice bitmap_device;
RetainPtr<CFX_DIBitmap> oriDevice;
if (!isolated && (m_pDevice->GetRenderCaps() & FXRC_GET_BITS)) {
@@ -1590,7 +1565,6 @@ bool CPDF_RenderStatus::ProcessTransparency(CPDF_PageObject* pPageObj,
CFX_Matrix new_matrix = *pObj2Device;
new_matrix.Translate(-rect.left, -rect.top);
- new_matrix.Scale(scaleX, scaleY);
RetainPtr<CFX_DIBitmap> pTextMask;
if (bTextClip) {
@@ -1666,11 +1640,8 @@ RetainPtr<CFX_DIBitmap> CPDF_RenderStatus::GetBackdrop(
bbox.Intersect(m_pDevice->GetClipBox());
*left = bbox.left;
*top = bbox.top;
- CFX_Matrix deviceCTM = m_pDevice->GetCTM();
- float scaleX = fabs(deviceCTM.a);
- float scaleY = fabs(deviceCTM.d);
- int width = FXSYS_round(bbox.Width() * scaleX);
- int height = FXSYS_round(bbox.Height() * scaleY);
+ int width = bbox.Width();
+ int height = bbox.Height();
auto pBackdrop = pdfium::MakeRetain<CFX_DIBitmap>();
if (bBackAlphaRequired && !m_bDropObjects)
pBackdrop->Create(width, height, FXDIB_Argb);
@@ -1692,7 +1663,6 @@ RetainPtr<CFX_DIBitmap> CPDF_RenderStatus::GetBackdrop(
}
CFX_Matrix FinalMatrix = m_DeviceMatrix;
FinalMatrix.Translate(-*left, -*top);
- FinalMatrix.Scale(scaleX, scaleY);
pBackdrop->Clear(pBackdrop->HasAlpha() ? 0 : 0xffffffff);
CFX_DefaultRenderDevice device;
@@ -1853,9 +1823,6 @@ bool CPDF_RenderStatus::ProcessType3Text(CPDF_TextObject* textobj,
if (pdfium::ContainsValue(m_Type3FontCache, pType3Font))
return true;
- CFX_Matrix dCTM = m_pDevice->GetCTM();
- float sa = fabs(dCTM.a);
- float sd = fabs(dCTM.d);
CFX_Matrix text_matrix = textobj->GetTextMatrix();
CFX_Matrix char_matrix = pType3Font->GetFontMatrix();
float font_size = textobj->m_TextState.GetFontSize();
@@ -1927,8 +1894,7 @@ bool CPDF_RenderStatus::ProcessType3Text(CPDF_TextObject* textobj,
matrix.TransformRect(pType3Char->form()->CalcBoundingBox())
.GetOuterRect();
CFX_DefaultRenderDevice bitmap_device;
- if (!bitmap_device.Create((int)(rect.Width() * sa),
- (int)(rect.Height() * sd), FXDIB_Argb,
+ if (!bitmap_device.Create(rect.Width(), rect.Height(), FXDIB_Argb,
nullptr)) {
return true;
}
@@ -1941,7 +1907,6 @@ bool CPDF_RenderStatus::ProcessType3Text(CPDF_TextObject* textobj,
status.m_Type3FontCache = m_Type3FontCache;
status.m_Type3FontCache.push_back(pType3Font);
matrix.Translate(-rect.left, -rect.top);
- matrix.Scale(sa, sd);
status.RenderObjectList(pType3Char->form(), &matrix);
m_pDevice->SetDIBits(bitmap_device.GetBitmap(), rect.left, rect.top);
}
@@ -1949,7 +1914,7 @@ bool CPDF_RenderStatus::ProcessType3Text(CPDF_TextObject* textobj,
if (device_class == FXDC_DISPLAY) {
RetainPtr<CPDF_Type3Cache> pCache = GetCachedType3(pType3Font);
refTypeCache.m_dwCount++;
- CFX_GlyphBitmap* pBitmap = pCache->LoadGlyph(charcode, &matrix, sa, sd);
+ CFX_GlyphBitmap* pBitmap = pCache->LoadGlyph(charcode, &matrix);
if (!pBitmap)
continue;
@@ -1978,12 +1943,11 @@ bool CPDF_RenderStatus::ProcessType3Text(CPDF_TextObject* textobj,
if (glyphs.empty())
return true;
- FX_RECT rect = FXGE_GetGlyphsBBox(glyphs, 0, sa, sd);
+ FX_RECT rect = FXGE_GetGlyphsBBox(glyphs, 0);
auto pBitmap = pdfium::MakeRetain<CFX_DIBitmap>();
- if (!pBitmap->Create(static_cast<int>(rect.Width() * sa),
- static_cast<int>(rect.Height() * sd), FXDIB_8bppMask)) {
+ if (!pBitmap->Create(rect.Width(), rect.Height(), FXDIB_8bppMask))
return true;
- }
+
pBitmap->Clear(0);
for (const FXTEXT_GLYPHPOS& glyph : glyphs) {
if (!glyph.m_pGlyph)
@@ -1992,14 +1956,12 @@ bool CPDF_RenderStatus::ProcessType3Text(CPDF_TextObject* textobj,
pdfium::base::CheckedNumeric<int> left = glyph.m_Origin.x;
left += glyph.m_pGlyph->m_Left;
left -= rect.left;
- left *= sa;
if (!left.IsValid())
continue;
pdfium::base::CheckedNumeric<int> top = glyph.m_Origin.y;
top -= glyph.m_pGlyph->m_Top;
top -= rect.top;
- top *= sd;
if (!top.IsValid())
continue;
@@ -2187,7 +2149,6 @@ void CPDF_RenderStatus::DrawShadingPattern(CPDF_ShadingPattern* pattern,
CFX_Matrix matrix = *pattern->pattern_to_form();
matrix.Concat(*pObj2Device);
- GetScaledMatrix(matrix);
int alpha =
FXSYS_round(255 * (bStroke ? pPageObj->m_GeneralState.GetStrokeAlpha()
: pPageObj->m_GeneralState.GetFillAlpha()));
@@ -2231,15 +2192,8 @@ void CPDF_RenderStatus::DrawTilingPattern(CPDF_TilingPattern* pPattern,
if (clip_box.IsEmpty())
return;
- CFX_Matrix dCTM = m_pDevice->GetCTM();
- float sa = fabs(dCTM.a);
- float sd = fabs(dCTM.d);
- clip_box.right = clip_box.left + (int32_t)ceil(clip_box.Width() * sa);
- clip_box.bottom = clip_box.top + (int32_t)ceil(clip_box.Height() * sd);
-
CFX_Matrix mtPattern2Device = *pPattern->pattern_to_form();
mtPattern2Device.Concat(*pObj2Device);
- GetScaledMatrix(mtPattern2Device);
bool bAligned =
pPattern->bbox().left == 0 && pPattern->bbox().bottom == 0 &&
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 09:46:32 +0000