本文整理汇总了C++中CPDF_Page::GetDisplayMatrix方法的典型用法代码示例。如果您正苦于以下问题：C++ CPDF_Page::GetDisplayMatrix方法的具体用法？C++ CPDF_Page::GetDisplayMatrix怎么用？C++ CPDF_Page::GetDisplayMatrix使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CPDF_Page的用法示例。
在下文中一共展示了CPDF_Page::GetDisplayMatrix方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1:
DLLEXPORT void STDCALL FPDF_PageToDevice(FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y,
int rotate, double page_x, double page_y, int* device_x, int* device_y)
{
if (page == NULL || device_x == NULL || device_y == NULL) return;
CPDF_Page* pPage = (CPDF_Page*)page;
CPDF_Matrix page2device;
pPage->GetDisplayMatrix(page2device, start_x, start_y, size_x, size_y, rotate);
FX_FLOAT device_x_f, device_y_f;
page2device.Transform(((FX_FLOAT)page_x), ((FX_FLOAT)page_y), device_x_f, device_y_f);
*device_x = FXSYS_round(device_x_f);
*device_y = FXSYS_round(device_y_f);
}示例2: renderPageBitmap
static void renderPageBitmap(FPDF_BITMAP bitmap, FPDF_PAGE page, int destLeft, int destTop,
int destRight, int destBottom, SkMatrix* transform, int flags) {
// Note: this code ignores the currently unused RENDER_NO_NATIVETEXT,
// FPDF_RENDER_LIMITEDIMAGECACHE, FPDF_RENDER_FORCEHALFTONE, FPDF_GRAYSCALE,
// and FPDF_ANNOT flags. To add support for that refer to FPDF_RenderPage_Retail
// in fpdfview.cpp
CRenderContext* pContext = FX_NEW CRenderContext;
CPDF_Page* pPage = (CPDF_Page*) page;
pPage->SetPrivateData((void*) 1, pContext, DropContext);
CFX_FxgeDevice* fxgeDevice = FX_NEW CFX_FxgeDevice;
pContext->m_pDevice = fxgeDevice;
// Reverse the bytes (last argument TRUE) since the Android
// format is ARGB while the renderer uses BGRA internally.
fxgeDevice->Attach((CFX_DIBitmap*) bitmap, 0, TRUE);
CPDF_RenderOptions* renderOptions = pContext->m_pOptions;
if (!renderOptions) {
renderOptions = FX_NEW CPDF_RenderOptions;
pContext->m_pOptions = renderOptions;
}
if (flags & FPDF_LCD_TEXT) {
renderOptions->m_Flags |= RENDER_CLEARTYPE;
} else {
renderOptions->m_Flags &= ~RENDER_CLEARTYPE;
}
const CPDF_OCContext::UsageType usage = (flags & FPDF_PRINTING)
? CPDF_OCContext::Print : CPDF_OCContext::View;
renderOptions->m_AddFlags = flags >> 8;
renderOptions->m_pOCContext = new CPDF_OCContext(pPage->m_pDocument, usage);
fxgeDevice->SaveState();
FX_RECT clip;
clip.left = destLeft;
clip.right = destRight;
clip.top = destTop;
clip.bottom = destBottom;
fxgeDevice->SetClip_Rect(&clip);
CPDF_RenderContext* pageContext = FX_NEW CPDF_RenderContext;
pContext->m_pContext = pageContext;
pageContext->Create(pPage);
CFX_AffineMatrix matrix;
if (!transform) {
pPage->GetDisplayMatrix(matrix, destLeft, destTop, destRight - destLeft,
destBottom - destTop, 0);
} else {
// PDF's coordinate system origin is left-bottom while
// in graphics it is the top-left, so remap the origin.
matrix.Set(1, 0, 0, -1, 0, pPage->GetPageHeight());
SkScalar transformValues[6];
transform->asAffine(transformValues);
matrix.Concat(transformValues[SkMatrix::kAScaleX], transformValues[SkMatrix::kASkewY],
transformValues[SkMatrix::kASkewX], transformValues[SkMatrix::kAScaleY],
transformValues[SkMatrix::kATransX], transformValues[SkMatrix::kATransY]);
}
pageContext->AppendObjectList(pPage, &matrix);
pContext->m_pRenderer = FX_NEW CPDF_ProgressiveRenderer;
pContext->m_pRenderer->Start(pageContext, fxgeDevice, renderOptions, NULL);
fxgeDevice->RestoreState();
pPage->RemovePrivateData((void*) 1);
delete pContext;
}示例3:
DLLEXPORT void STDCALL FPDF_FFLDraw(FPDF_FORMHANDLE hHandle, FPDF_BITMAP bitmap, FPDF_PAGE page, int start_x, int start_y,
int size_x, int size_y, int rotate, int flags)
{
if (!hHandle || !page)
return ;
CPDF_Page* pPage = (CPDF_Page*)page;
CPDF_RenderOptions options;
if (flags & FPDF_LCD_TEXT)
options.m_Flags |= RENDER_CLEARTYPE;
else
options.m_Flags &= ~RENDER_CLEARTYPE;
//Grayscale output
if (flags & FPDF_GRAYSCALE)
{
options.m_ColorMode = RENDER_COLOR_GRAY;
options.m_ForeColor = 0;
options.m_BackColor = 0xffffff;
}
options.m_AddFlags = flags >> 8;
options.m_pOCContext = FX_NEW CPDF_OCContext(pPage->m_pDocument);
//FXMT_CSLOCK_OBJ(&pPage->m_PageLock);
CFX_AffineMatrix matrix;
pPage->GetDisplayMatrix(matrix, start_x, start_y, size_x, size_y, rotate);
FX_RECT clip;
clip.left = start_x;
clip.right = start_x + size_x;
clip.top = start_y;
clip.bottom = start_y + size_y;
#ifdef _SKIA_SUPPORT_
CFX_SkiaDevice* pDevice = FX_NEW CFX_SkiaDevice;
#else
CFX_FxgeDevice* pDevice = NULL;
pDevice = FX_NEW CFX_FxgeDevice;
#endif
if (!pDevice)
return;
pDevice->Attach((CFX_DIBitmap*)bitmap);
pDevice->SaveState();
pDevice->SetClip_Rect(&clip);
CPDF_RenderContext* pContext = NULL;
pContext = FX_NEW CPDF_RenderContext;
if (!pContext)
{
delete pDevice;
pDevice = NULL;
return;
}
// CPDF_Document* pDoc = pPage->m_pDocument;
CPDFDoc_Environment* pEnv = (CPDFDoc_Environment*)hHandle;
CPDFSDK_Document* pFXDoc = pEnv->GetCurrentDoc();
if(!pFXDoc)
{
delete pContext;
delete pDevice;
pContext = NULL;
pDevice = NULL;
return;
}
if(CPDFSDK_PageView* pPageView = pFXDoc->GetPageView(pPage))
{
pPageView->PageView_OnDraw(pDevice, &matrix, &options);
}
pDevice->RestoreState();
if(options.m_pOCContext)
{
delete options.m_pOCContext;
options.m_pOCContext = NULL;
}
if(pContext)
{
delete pContext;
pContext = NULL;
}
if(pDevice)
{
delete pDevice;
pDevice = NULL;
}
}示例4: FPDF_RenderPage_Retail
void FPDF_RenderPage_Retail(CRenderContext* pContext, FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y,
int rotate, int flags,FX_BOOL bNeedToRestore, IFSDK_PAUSE_Adapter * pause )
{
//#ifdef _LICENSED_BUILD_
CPDF_Page* pPage = (CPDF_Page*)page;
if (pPage == NULL) return;
if (!pContext->m_pOptions)
pContext->m_pOptions = new CPDF_RenderOptions;
// CPDF_RenderOptions options;
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;
//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_AffineMatrix matrix;
pPage->GetDisplayMatrix(matrix, start_x, start_y, size_x, size_y, rotate);
FX_RECT clip;
clip.left = start_x;
clip.right = start_x + size_x;
clip.top = start_y;
clip.bottom = start_y + size_y;
pContext->m_pDevice->SaveState();
pContext->m_pDevice->SetClip_Rect(&clip);
pContext->m_pContext = FX_NEW CPDF_RenderContext;
pContext->m_pContext->Create(pPage);
pContext->m_pContext->AppendObjectList(pPage, &matrix);
if (flags & FPDF_ANNOT) {
pContext->m_pAnnots = FX_NEW CPDF_AnnotList(pPage);
FX_BOOL bPrinting = pContext->m_pDevice->GetDeviceClass() != FXDC_DISPLAY;
pContext->m_pAnnots->DisplayAnnots(pPage, pContext->m_pContext, bPrinting, &matrix, TRUE, NULL);
}
pContext->m_pRenderer = FX_NEW CPDF_ProgressiveRenderer;
pContext->m_pRenderer->Start(pContext->m_pContext, pContext->m_pDevice, pContext->m_pOptions, pause);
if (bNeedToRestore)
{
pContext->m_pDevice->RestoreState();
}
//#endif
}