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Diffstat (limited to 'core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp')
-rw-r--r--core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp161
1 files changed, 76 insertions, 85 deletions
diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp
index b64002c13e..4ed6c07675 100644
--- a/core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp
+++ b/core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp
@@ -10,13 +10,13 @@
#include "../fpdf_page/pageint.h"
#include "render_int.h"
#define SHADING_STEPS 256
-static void _DrawAxialShading(CFX_DIBitmap* pBitmap,
- CFX_AffineMatrix* pObject2Bitmap,
- CPDF_Dictionary* pDict,
- CPDF_Function** pFuncs,
- int nFuncs,
- CPDF_ColorSpace* pCS,
- int alpha) {
+static void DrawAxialShading(CFX_DIBitmap* pBitmap,
+ CFX_AffineMatrix* pObject2Bitmap,
+ CPDF_Dictionary* pDict,
+ CPDF_Function** pFuncs,
+ int nFuncs,
+ CPDF_ColorSpace* pCS,
+ int alpha) {
ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
CPDF_Array* pCoords = pDict->GetArray(FX_BSTRC("Coords"));
if (pCoords == NULL) {
@@ -101,13 +101,13 @@ static void _DrawAxialShading(CFX_DIBitmap* pBitmap,
}
}
}
-static void _DrawRadialShading(CFX_DIBitmap* pBitmap,
- CFX_AffineMatrix* pObject2Bitmap,
- CPDF_Dictionary* pDict,
- CPDF_Function** pFuncs,
- int nFuncs,
- CPDF_ColorSpace* pCS,
- int alpha) {
+static void DrawRadialShading(CFX_DIBitmap* pBitmap,
+ CFX_AffineMatrix* pObject2Bitmap,
+ CPDF_Dictionary* pDict,
+ CPDF_Function** pFuncs,
+ int nFuncs,
+ CPDF_ColorSpace* pCS,
+ int alpha) {
ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
CPDF_Array* pCoords = pDict->GetArray(FX_BSTRC("Coords"));
if (pCoords == NULL) {
@@ -239,13 +239,13 @@ static void _DrawRadialShading(CFX_DIBitmap* pBitmap,
}
}
}
-static void _DrawFuncShading(CFX_DIBitmap* pBitmap,
- CFX_AffineMatrix* pObject2Bitmap,
- CPDF_Dictionary* pDict,
- CPDF_Function** pFuncs,
- int nFuncs,
- CPDF_ColorSpace* pCS,
- int alpha) {
+static void DrawFuncShading(CFX_DIBitmap* pBitmap,
+ CFX_AffineMatrix* pObject2Bitmap,
+ CPDF_Dictionary* pDict,
+ CPDF_Function** pFuncs,
+ int nFuncs,
+ CPDF_ColorSpace* pCS,
+ int alpha) {
ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
CPDF_Array* pDomain = pDict->GetArray(FX_BSTRC("Domain"));
FX_FLOAT xmin = 0, ymin = 0, xmax = 1.0f, ymax = 1.0f;
@@ -323,9 +323,9 @@ FX_BOOL _GetScanlineIntersect(int y,
x = x1 + FXSYS_MulDiv(x2 - x1, y - y1, y2 - y1);
return TRUE;
}
-static void _DrawGouraud(CFX_DIBitmap* pBitmap,
- int alpha,
- CPDF_MeshVertex triangle[3]) {
+static void DrawGouraud(CFX_DIBitmap* pBitmap,
+ int alpha,
+ CPDF_MeshVertex triangle[3]) {
FX_FLOAT min_y = triangle[0].y, max_y = triangle[0].y;
for (int i = 1; i < 3; i++) {
if (min_y > triangle[i].y) {
@@ -408,21 +408,19 @@ static void _DrawGouraud(CFX_DIBitmap* pBitmap,
}
}
}
-static void _DrawFreeGouraudShading(CFX_DIBitmap* pBitmap,
- CFX_AffineMatrix* pObject2Bitmap,
- CPDF_Stream* pShadingStream,
- CPDF_Function** pFuncs,
- int nFuncs,
- CPDF_ColorSpace* pCS,
- int alpha) {
+static void DrawFreeGouraudShading(CFX_DIBitmap* pBitmap,
+ CFX_AffineMatrix* pObject2Bitmap,
+ CPDF_Stream* pShadingStream,
+ CPDF_Function** pFuncs,
+ int nFuncs,
+ CPDF_ColorSpace* pCS,
+ int alpha) {
ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
- if (pShadingStream->GetType() != PDFOBJ_STREAM) {
- return;
- }
+
CPDF_MeshStream stream;
- if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS)) {
+ if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS))
return;
- }
+
CPDF_MeshVertex triangle[3];
FXSYS_memset(triangle, 0, sizeof(triangle));
@@ -441,28 +439,26 @@ static void _DrawFreeGouraudShading(CFX_DIBitmap* pBitmap,
triangle[1] = triangle[2];
triangle[2] = vertex;
}
- _DrawGouraud(pBitmap, alpha, triangle);
+ DrawGouraud(pBitmap, alpha, triangle);
}
}
-static void _DrawLatticeGouraudShading(CFX_DIBitmap* pBitmap,
- CFX_AffineMatrix* pObject2Bitmap,
- CPDF_Stream* pShadingStream,
- CPDF_Function** pFuncs,
- int nFuncs,
- CPDF_ColorSpace* pCS,
- int alpha) {
+static void DrawLatticeGouraudShading(CFX_DIBitmap* pBitmap,
+ CFX_AffineMatrix* pObject2Bitmap,
+ CPDF_Stream* pShadingStream,
+ CPDF_Function** pFuncs,
+ int nFuncs,
+ CPDF_ColorSpace* pCS,
+ int alpha) {
ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
- if (pShadingStream->GetType() != PDFOBJ_STREAM) {
- return;
- }
+
int row_verts = pShadingStream->GetDict()->GetInteger("VerticesPerRow");
- if (row_verts < 2) {
+ if (row_verts < 2)
return;
- }
+
CPDF_MeshStream stream;
- if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS)) {
+ if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS))
return;
- }
+
CPDF_MeshVertex* vertex = FX_Alloc2D(CPDF_MeshVertex, row_verts, 2);
if (!stream.GetVertexRow(vertex, row_verts, pObject2Bitmap)) {
FX_Free(vertex);
@@ -481,9 +477,9 @@ static void _DrawLatticeGouraudShading(CFX_DIBitmap* pBitmap,
triangle[0] = last_row[i];
triangle[1] = this_row[i - 1];
triangle[2] = last_row[i - 1];
- _DrawGouraud(pBitmap, alpha, triangle);
+ DrawGouraud(pBitmap, alpha, triangle);
triangle[2] = this_row[i];
- _DrawGouraud(pBitmap, alpha, triangle);
+ DrawGouraud(pBitmap, alpha, triangle);
}
last_index = 1 - last_index;
}
@@ -748,29 +744,24 @@ FX_BOOL _CheckCoonTensorPara(const CPDF_MeshStream& stream) {
return bCoorBits && bCompBits && bFlagBits;
}
-static void _DrawCoonPatchMeshes(FX_BOOL bTensor,
- CFX_DIBitmap* pBitmap,
- CFX_AffineMatrix* pObject2Bitmap,
- CPDF_Stream* pShadingStream,
- CPDF_Function** pFuncs,
- int nFuncs,
- CPDF_ColorSpace* pCS,
- int fill_mode,
- int alpha) {
+static void DrawCoonPatchMeshes(FX_BOOL bTensor,
+ CFX_DIBitmap* pBitmap,
+ CFX_AffineMatrix* pObject2Bitmap,
+ CPDF_Stream* pShadingStream,
+ CPDF_Function** pFuncs,
+ int nFuncs,
+ CPDF_ColorSpace* pCS,
+ int fill_mode,
+ int alpha) {
ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
- if (pShadingStream->GetType() != PDFOBJ_STREAM) {
- return;
- }
+
CFX_FxgeDevice device;
device.Attach(pBitmap);
CPDF_MeshStream stream;
- if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS)) {
+ if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS))
return;
- }
-
- if (!_CheckCoonTensorPara(stream)) {
+ if (!_CheckCoonTensorPara(stream))
return;
- }
CPDF_PatchDrawer patch;
patch.alpha = alpha;
@@ -878,32 +869,32 @@ void CPDF_RenderStatus::DrawShading(CPDF_ShadingPattern* pPattern,
int fill_mode = m_Options.m_Flags;
switch (pPattern->m_ShadingType) {
case 1:
- _DrawFuncShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs,
- pColorSpace, alpha);
+ DrawFuncShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs, pColorSpace,
+ alpha);
break;
case 2:
- _DrawAxialShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs,
- pColorSpace, alpha);
+ DrawAxialShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs,
+ pColorSpace, alpha);
break;
case 3:
- _DrawRadialShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs,
- pColorSpace, alpha);
+ DrawRadialShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs,
+ pColorSpace, alpha);
break;
case 4: {
- _DrawFreeGouraudShading(pBitmap, &FinalMatrix,
- (CPDF_Stream*)pPattern->m_pShadingObj, pFuncs,
- nFuncs, pColorSpace, alpha);
+ DrawFreeGouraudShading(pBitmap, &FinalMatrix,
+ ToStream(pPattern->m_pShadingObj), pFuncs, nFuncs,
+ pColorSpace, alpha);
} break;
case 5: {
- _DrawLatticeGouraudShading(pBitmap, &FinalMatrix,
- (CPDF_Stream*)pPattern->m_pShadingObj, pFuncs,
- nFuncs, pColorSpace, alpha);
+ DrawLatticeGouraudShading(pBitmap, &FinalMatrix,
+ ToStream(pPattern->m_pShadingObj), pFuncs,
+ nFuncs, pColorSpace, alpha);
} break;
case 6:
case 7: {
- _DrawCoonPatchMeshes(pPattern->m_ShadingType - 6, pBitmap, &FinalMatrix,
- (CPDF_Stream*)pPattern->m_pShadingObj, pFuncs,
- nFuncs, pColorSpace, fill_mode, alpha);
+ DrawCoonPatchMeshes(pPattern->m_ShadingType - 6, pBitmap, &FinalMatrix,
+ ToStream(pPattern->m_pShadingObj), pFuncs, nFuncs,
+ pColorSpace, fill_mode, alpha);
} break;
}
if (bAlphaMode) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 15:02:30 +0000