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Release tilingPatternFill for PdfReader

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This commit is contained in:
Svetlana Kulikova
2023-09-21 18:23:11 +03:00
parent 96b9517448
commit 88963ec183
4 changed files with 120 additions and 18 deletions
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93
PdfFile/SrcReader/RendererOutputDev.cpp
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@ -37,7 +37,7 @@
#include "../lib/fofi/FoFiTrueType.h"
#include "../lib/fofi/FoFiType1C.h"
#include "../lib/fofi/FoFiIdentifier.h"
//#include "../lib/xpdf/File.h"
#include "../lib/xpdf/Page.h"
#include "../lib/xpdf/CMap.h"
#include "../lib/xpdf/Dict.h"
#include "../lib/xpdf/Stream.h"
@ -3012,20 +3012,91 @@ namespace PdfReader
m_pRenderer->EndCommand(c_nPathType);
}
void RendererOutputDev::tilingPatternFill(GfxState *pGState, Gfx *gfx, Object *pStream, int nPaintType, int nTilingType, Dict *pResourcesDict, double *pMatrix, double *pBBox,
void RendererOutputDev::tilingPatternFill(GfxState *pGState, Gfx *gfx, Object *pStream, int nPaintType, int nTilingType, Dict *pResourcesDict, double *matrix, double *pBBox,
int nX0, int nY0, int nX1, int nY1, double dXStep, double dYStep)
{
for (int yi = nY0; yi < nY1; ++yi)
if (m_bDrawOnlyText)
return;
if (m_bTransparentGroupSoftMask || (!m_arrTransparentGroupSoftMask.empty() && m_bTransparentGroupSoftMaskEnd))
return;
double xMin, yMin, xMax, yMax;
pGState->getUserClipBBox(&xMin, &yMin, &xMax, &yMax);
pGState->moveTo(xMin, yMin);
pGState->lineTo(xMax, yMin);
pGState->lineTo(xMax, yMax);
pGState->lineTo(xMin, yMax);
pGState->closePath();
DoPath(pGState, pGState->getPath(), pGState->getPageHeight(), pGState->getCTM());
long brush;
int alpha = pGState->getFillOpacity() * 255;
// Image
int nWidth = (int)round(pBBox[2] - pBBox[0]);
int nHeight = (int)round(pBBox[3] - pBBox[1]);
BYTE* pBgraData = new BYTE[nWidth * nHeight * 4];
memset(pBgraData, 0, nWidth * nHeight * 4);
CBgraFrame* pFrame = new CBgraFrame();
pFrame->put_Data(pBgraData);
pFrame->put_Width(nWidth);
pFrame->put_Height(nHeight);
pFrame->put_IsRGBA(true); // TODO влияет только на процесс SaveFile, внутри на самом деле BGRA
pFrame->put_Stride(4 * nWidth);
NSGraphics::IGraphicsRenderer* pRenderer = NSGraphics::Create();
pRenderer->SetFontManager(m_pFontManager);
pRenderer->CreateFromBgraFrame(pFrame);
pRenderer->SetSwapRGB(true); // TODO CGraphicsRenderer::CreateBrush не использует m_bSwapRGB для Aggplus::CBrushTexture
pRenderer->put_Width (nWidth * 25.4 / 72.0);
pRenderer->put_Height(nHeight * 25.4 / 72.0);
IRenderer* pOldRenderer = m_pRenderer;
m_pRenderer = pRenderer;
PDFRectangle box;
box.x1 = pBBox[0];
box.y1 = pBBox[1];
box.x2 = pBBox[2];
box.y2 = pBBox[3];
Gfx* m_gfx = new Gfx(gfx->getDoc(), this, pResourcesDict, &box, NULL);
m_gfx->display(pStream);
pFrame->ClearNoAttack();
RELEASEOBJECT(m_gfx);
RELEASEOBJECT(pRenderer);
RELEASEOBJECT(pFrame);
m_pRenderer = pOldRenderer;
// TODO swap BGRA -> RGBA
for (int i = 0; i < nWidth * nHeight * 4; i += 4)
{
for (int xi = nX0; xi < nX1; ++xi)
{
double x = xi * dXStep;
double y = yi * dYStep;
//pMatrix[4] = x * m[0] + y * m[2] + m[4];
//pMatrix[5] = x * m[1] + y * m[3] + m[5];
//drawForm(pStream, pResourcesDict, pMatrix, pBBox);
}
BYTE nTemp = pBgraData[i];
pBgraData[i] = pBgraData[i + 2];
pBgraData[i + 2] = nTemp;
}
Aggplus::CImage* oImage = new Aggplus::CImage();
oImage->Create(pBgraData, nWidth, nHeight, 4 * nWidth);
m_pRenderer->BrushRect(true, xMin, yMin, xMax, yMax);
m_pRenderer->get_BrushType(&brush);
m_pRenderer->put_BrushType(c_BrushTypeTexture);
m_pRenderer->put_BrushTextureImage(oImage);
m_pRenderer->put_BrushTextureMode(1); // TODO Tile 1 или TileCenter 2
m_pRenderer->put_BrushTextureAlpha(alpha);
m_pRenderer->DrawPath(c_nWindingFillMode);
m_pRenderer->EndCommand(c_nPathType);
m_pRenderer->BrushRect(false, 0, 0, 1, 1);
m_pRenderer->put_BrushType(brush);
pGState->clearPath();
}
void RendererOutputDev::StartTilingFill(GfxState *pGState)
{