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-rw-r--r--fpdfsdk/fpdfview.cpp168
1 files changed, 114 insertions, 54 deletions
diff --git a/fpdfsdk/fpdfview.cpp b/fpdfsdk/fpdfview.cpp
index 3f5115afd6..c7cc1242fe 100644
--- a/fpdfsdk/fpdfview.cpp
+++ b/fpdfsdk/fpdfview.cpp
@@ -48,6 +48,74 @@
#include "core/fxge/cfx_windowsdevice.h"
#endif
+namespace {
+
+void RenderPageImpl(CPDF_PageRenderContext* pContext,
+ CPDF_Page* pPage,
+ const CFX_Matrix& matrix,
+ const FX_RECT& clipping_rect,
+ int flags,
+ bool bNeedToRestore,
+ IFSDK_PAUSE_Adapter* pause) {
+ if (!pContext->m_pOptions)
+ pContext->m_pOptions = pdfium::MakeUnique<CPDF_RenderOptions>();
+
+ if (flags & FPDF_LCD_TEXT)
+ pContext->m_pOptions->m_Flags |= RENDER_CLEARTYPE;
+ else
+ pContext->m_pOptions->m_Flags &= ~RENDER_CLEARTYPE;
+
+ if (flags & FPDF_NO_NATIVETEXT)
+ pContext->m_pOptions->m_Flags |= RENDER_NO_NATIVETEXT;
+ if (flags & FPDF_RENDER_LIMITEDIMAGECACHE)
+ pContext->m_pOptions->m_Flags |= RENDER_LIMITEDIMAGECACHE;
+ if (flags & FPDF_RENDER_FORCEHALFTONE)
+ pContext->m_pOptions->m_Flags |= RENDER_FORCE_HALFTONE;
+#ifndef PDF_ENABLE_XFA
+ if (flags & FPDF_RENDER_NO_SMOOTHTEXT)
+ pContext->m_pOptions->m_Flags |= RENDER_NOTEXTSMOOTH;
+ if (flags & FPDF_RENDER_NO_SMOOTHIMAGE)
+ pContext->m_pOptions->m_Flags |= RENDER_NOIMAGESMOOTH;
+ if (flags & FPDF_RENDER_NO_SMOOTHPATH)
+ pContext->m_pOptions->m_Flags |= RENDER_NOPATHSMOOTH;
+#endif // PDF_ENABLE_XFA
+
+ // Grayscale output
+ if (flags & FPDF_GRAYSCALE) {
+ pContext->m_pOptions->m_ColorMode = RENDER_COLOR_GRAY;
+ pContext->m_pOptions->m_ForeColor = 0;
+ pContext->m_pOptions->m_BackColor = 0xffffff;
+ }
+
+ const CPDF_OCContext::UsageType usage =
+ (flags & FPDF_PRINTING) ? CPDF_OCContext::Print : CPDF_OCContext::View;
+ pContext->m_pOptions->m_AddFlags = flags >> 8;
+ pContext->m_pOptions->m_pOCContext =
+ new CPDF_OCContext(pPage->m_pDocument, usage);
+
+ pContext->m_pDevice->SaveState();
+ pContext->m_pDevice->SetClip_Rect(clipping_rect);
+
+ pContext->m_pContext = pdfium::MakeUnique<CPDF_RenderContext>(pPage);
+ pContext->m_pContext->AppendLayer(pPage, &matrix);
+
+ if (flags & FPDF_ANNOT) {
+ pContext->m_pAnnots = pdfium::MakeUnique<CPDF_AnnotList>(pPage);
+ bool bPrinting = pContext->m_pDevice->GetDeviceClass() != FXDC_DISPLAY;
+ pContext->m_pAnnots->DisplayAnnots(pPage, pContext->m_pContext.get(),
+ bPrinting, &matrix, false, nullptr);
+ }
+
+ pContext->m_pRenderer = pdfium::MakeUnique<CPDF_ProgressiveRenderer>(
+ pContext->m_pContext.get(), pContext->m_pDevice.get(),
+ pContext->m_pOptions.get());
+ pContext->m_pRenderer->Start(pause);
+ if (bNeedToRestore)
+ pContext->m_pDevice->RestoreState(false);
+}
+
+} // namespace
+
UnderlyingDocumentType* UnderlyingFromFPDFDocument(FPDF_DOCUMENT doc) {
return static_cast<UnderlyingDocumentType*>(doc);
}
@@ -604,6 +672,50 @@ DLLEXPORT void STDCALL FPDF_RenderPageBitmap(FPDF_BITMAP bitmap,
pPage->SetRenderContext(nullptr);
}
+DLLEXPORT void STDCALL FPDF_RenderPageBitmapWithMatrix(FPDF_BITMAP bitmap,
+ FPDF_PAGE page,
+ const FS_MATRIX* matrix,
+ const FS_RECTF* clipping,
+ int flags) {
+ if (!bitmap)
+ return;
+
+ CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
+ if (!pPage)
+ return;
+
+ CPDF_PageRenderContext* pContext = new CPDF_PageRenderContext;
+ pPage->SetRenderContext(pdfium::WrapUnique(pContext));
+ CFX_FxgeDevice* pDevice = new CFX_FxgeDevice;
+ pContext->m_pDevice.reset(pDevice);
+ CFX_DIBitmap* pBitmap = CFXBitmapFromFPDFBitmap(bitmap);
+ pDevice->Attach(pBitmap, !!(flags & FPDF_REVERSE_BYTE_ORDER), nullptr, false);
+
+ CFX_Matrix transform_matrix = pPage->GetPageMatrix();
+ if (matrix) {
+ CFX_Matrix cmatrix;
+ cmatrix.a = matrix->a;
+ cmatrix.b = matrix->b;
+ cmatrix.c = matrix->c;
+ cmatrix.d = matrix->d;
+ cmatrix.e = matrix->e;
+ cmatrix.f = matrix->f;
+ transform_matrix.Concat(cmatrix);
+ }
+
+ CFX_FloatRect clipping_rect;
+ if (clipping) {
+ clipping_rect.left = clipping->left;
+ clipping_rect.bottom = clipping->bottom;
+ clipping_rect.right = clipping->right;
+ clipping_rect.top = clipping->top;
+ }
+ RenderPageImpl(pContext, pPage, transform_matrix, clipping_rect.ToFxRect(),
+ flags, true, nullptr);
+
+ pPage->SetRenderContext(nullptr);
+}
+
#ifdef _SKIA_SUPPORT_
DLLEXPORT FPDF_RECORDER STDCALL FPDF_RenderPageSkp(FPDF_PAGE page,
int size_x,
@@ -813,62 +925,10 @@ void FPDF_RenderPage_Retail(CPDF_PageRenderContext* pContext,
if (!pPage)
return;
- if (!pContext->m_pOptions)
- pContext->m_pOptions = pdfium::MakeUnique<CPDF_RenderOptions>();
-
- if (flags & FPDF_LCD_TEXT)
- pContext->m_pOptions->m_Flags |= RENDER_CLEARTYPE;
- else
- pContext->m_pOptions->m_Flags &= ~RENDER_CLEARTYPE;
- if (flags & FPDF_NO_NATIVETEXT)
- pContext->m_pOptions->m_Flags |= RENDER_NO_NATIVETEXT;
- if (flags & FPDF_RENDER_LIMITEDIMAGECACHE)
- pContext->m_pOptions->m_Flags |= RENDER_LIMITEDIMAGECACHE;
- if (flags & FPDF_RENDER_FORCEHALFTONE)
- pContext->m_pOptions->m_Flags |= RENDER_FORCE_HALFTONE;
-#ifndef PDF_ENABLE_XFA
- if (flags & FPDF_RENDER_NO_SMOOTHTEXT)
- pContext->m_pOptions->m_Flags |= RENDER_NOTEXTSMOOTH;
- if (flags & FPDF_RENDER_NO_SMOOTHIMAGE)
- pContext->m_pOptions->m_Flags |= RENDER_NOIMAGESMOOTH;
- if (flags & FPDF_RENDER_NO_SMOOTHPATH)
- pContext->m_pOptions->m_Flags |= RENDER_NOPATHSMOOTH;
-#endif // PDF_ENABLE_XFA
- // Grayscale output
- if (flags & FPDF_GRAYSCALE) {
- pContext->m_pOptions->m_ColorMode = RENDER_COLOR_GRAY;
- pContext->m_pOptions->m_ForeColor = 0;
- pContext->m_pOptions->m_BackColor = 0xffffff;
- }
- const CPDF_OCContext::UsageType usage =
- (flags & FPDF_PRINTING) ? CPDF_OCContext::Print : CPDF_OCContext::View;
- pContext->m_pOptions->m_AddFlags = flags >> 8;
- pContext->m_pOptions->m_pOCContext =
- new CPDF_OCContext(pPage->m_pDocument, usage);
-
CFX_Matrix matrix;
pPage->GetDisplayMatrix(matrix, start_x, start_y, size_x, size_y, rotate);
-
- pContext->m_pDevice->SaveState();
- pContext->m_pDevice->SetClip_Rect(
- FX_RECT(start_x, start_y, start_x + size_x, start_y + size_y));
-
- pContext->m_pContext = pdfium::MakeUnique<CPDF_RenderContext>(pPage);
- pContext->m_pContext->AppendLayer(pPage, &matrix);
-
- if (flags & FPDF_ANNOT) {
- pContext->m_pAnnots = pdfium::MakeUnique<CPDF_AnnotList>(pPage);
- bool bPrinting = pContext->m_pDevice->GetDeviceClass() != FXDC_DISPLAY;
- pContext->m_pAnnots->DisplayAnnots(pPage, pContext->m_pContext.get(),
- bPrinting, &matrix, false, nullptr);
- }
-
- pContext->m_pRenderer = pdfium::MakeUnique<CPDF_ProgressiveRenderer>(
- pContext->m_pContext.get(), pContext->m_pDevice.get(),
- pContext->m_pOptions.get());
- pContext->m_pRenderer->Start(pause);
- if (bNeedToRestore)
- pContext->m_pDevice->RestoreState(false);
+ FX_RECT rect(start_x, start_y, start_x + size_x, start_y + size_y);
+ RenderPageImpl(pContext, pPage, matrix, rect, flags, bNeedToRestore, pause);
}
DLLEXPORT int STDCALL FPDF_GetPageSizeByIndex(FPDF_DOCUMENT document,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 00:53:24 +0000