bool CPDF_ImageRenderer::DrawMaskedImage() {
if (NotDrawing()) {
m_Result = false;
return false;
}
FX_RECT rect = GetDrawRect();
if (rect.IsEmpty())
return false;
CFX_Matrix new_matrix = GetDrawMatrix(rect);
CFX_FxgeDevice bitmap_device1;
if (!bitmap_device1.Create(rect.Width(), rect.Height(), FXDIB_Rgb32, nullptr))
return true;
#if defined _SKIA_SUPPORT_
bitmap_device1.Clear(0xffffff);
#else
bitmap_device1.GetBitmap()->Clear(0xffffff);
#endif
CPDF_RenderStatus bitmap_render;
bitmap_render.Initialize(m_pRenderStatus->m_pContext, &bitmap_device1,
nullptr, nullptr, nullptr, nullptr, nullptr, 0,
m_pRenderStatus->m_bDropObjects, nullptr, true);
CPDF_ImageRenderer image_render;
if (image_render.Start(&bitmap_render, m_pDIBSource, 0, 255, &new_matrix,
m_Flags, true, FXDIB_BLEND_NORMAL)) {
image_render.Continue(nullptr);
}
CFX_FxgeDevice bitmap_device2;
if (!bitmap_device2.Create(rect.Width(), rect.Height(), FXDIB_8bppRgb,
nullptr))
return true;
#if defined _SKIA_SUPPORT_
bitmap_device2.Clear(0);
#else
bitmap_device2.GetBitmap()->Clear(0);
#endif
CalculateDrawImage(&bitmap_device1, &bitmap_device2, m_Loader.m_pMask,
&new_matrix, rect);
#ifdef _SKIA_SUPPORT_
m_pRenderStatus->m_pDevice->SetBitsWithMask(
bitmap_device1.GetBitmap(), bitmap_device2.GetBitmap(), rect.left,
rect.top, m_BitmapAlpha, m_BlendType);
#else
bitmap_device2.GetBitmap()->ConvertFormat(FXDIB_8bppMask);
bitmap_device1.GetBitmap()->MultiplyAlpha(bitmap_device2.GetBitmap());
if (m_BitmapAlpha < 255)
bitmap_device1.GetBitmap()->MultiplyAlpha(m_BitmapAlpha);
m_pRenderStatus->m_pDevice->SetDIBitsWithBlend(
bitmap_device1.GetBitmap(), rect.left, rect.top, m_BlendType);
#endif // _SKIA_SUPPORT_
return false;
}
FX_BOOL CFX_GEFont::GetCharBBox(FX_WCHAR wUnicode,
CFX_Rect& bbox,
FX_BOOL bRecursive,
FX_BOOL bCharCode) {
FXSYS_assert(m_pRectArray != NULL);
FXSYS_assert(m_pBBoxMap != NULL);
void* pRect = NULL;
if (!m_pBBoxMap->Lookup((void*)(uintptr_t)wUnicode, pRect)) {
IFX_Font* pFont = NULL;
int32_t iGlyph = GetGlyphIndex(wUnicode, TRUE, &pFont, bCharCode);
if (iGlyph != 0xFFFF && pFont != NULL) {
if (pFont == (IFX_Font*)this) {
FX_RECT rtBBox;
if (m_pFont->GetGlyphBBox(iGlyph, rtBBox)) {
Lock();
CFX_Rect rt;
rt.Set(rtBBox.left, rtBBox.top, rtBBox.Width(), rtBBox.Height());
int32_t index = m_pRectArray->Add(rt);
pRect = m_pRectArray->GetPtrAt(index);
m_pBBoxMap->SetAt((void*)(uintptr_t)wUnicode, pRect);
Unlock();
}
} else if (((CFX_GEFont*)pFont)
->GetCharBBox(wUnicode, bbox, FALSE, bCharCode)) {
return TRUE;
}
}
}
if (pRect == NULL) {
return FALSE;
}
bbox = *(FX_LPCRECT)pRect;
return TRUE;
}
FX_BOOL CFGAS_GEFont::GetCharBBoxInternal(FX_WCHAR wUnicode,
CFX_Rect& bbox,
FX_BOOL bRecursive,
FX_BOOL bCharCode) {
ASSERT(m_pRectArray);
ASSERT(m_pBBoxMap);
void* pRect = nullptr;
if (!m_pBBoxMap->Lookup((void*)(uintptr_t)wUnicode, pRect)) {
CFGAS_GEFont* pFont = nullptr;
int32_t iGlyph = GetGlyphIndex(wUnicode, TRUE, &pFont, bCharCode);
if (iGlyph != 0xFFFF && pFont) {
if (pFont == this) {
FX_RECT rtBBox;
if (m_pFont->GetGlyphBBox(iGlyph, rtBBox)) {
CFX_Rect rt;
rt.Set(rtBBox.left, rtBBox.top, rtBBox.Width(), rtBBox.Height());
int32_t index = m_pRectArray->Add(rt);
pRect = m_pRectArray->GetPtrAt(index);
m_pBBoxMap->SetAt((void*)(uintptr_t)wUnicode, pRect);
}
} else if (pFont->GetCharBBoxInternal(wUnicode, bbox, FALSE, bCharCode)) {
return TRUE;
}
}
}
if (!pRect)
return FALSE;
bbox = *static_cast<const CFX_Rect*>(pRect);
return TRUE;
}
bool CPDF_ImageRenderer::DrawPatternImage(const CFX_Matrix* pObj2Device) {
if (NotDrawing()) {
m_Result = false;
return false;
}
FX_RECT rect = GetDrawRect();
if (rect.IsEmpty())
return false;
CFX_Matrix new_matrix = GetDrawMatrix(rect);
CFX_FxgeDevice bitmap_device1;
if (!bitmap_device1.Create(rect.Width(), rect.Height(), FXDIB_Rgb32, nullptr))
return true;
bitmap_device1.GetBitmap()->Clear(0xffffff);
CPDF_RenderStatus bitmap_render;
bitmap_render.Initialize(m_pRenderStatus->m_pContext, &bitmap_device1,
nullptr, nullptr, nullptr, nullptr,
&m_pRenderStatus->m_Options, 0,
m_pRenderStatus->m_bDropObjects, nullptr, true);
CFX_Matrix patternDevice = *pObj2Device;
patternDevice.Translate((FX_FLOAT)-rect.left, (FX_FLOAT)-rect.top);
if (CPDF_TilingPattern* pTilingPattern = m_pPattern->AsTilingPattern()) {
bitmap_render.DrawTilingPattern(pTilingPattern, m_pImageObject,
&patternDevice, false);
} else if (CPDF_ShadingPattern* pShadingPattern =
m_pPattern->AsShadingPattern()) {
bitmap_render.DrawShadingPattern(pShadingPattern, m_pImageObject,
&patternDevice, false);
}
CFX_FxgeDevice bitmap_device2;
if (!bitmap_device2.Create(rect.Width(), rect.Height(), FXDIB_8bppRgb,
nullptr)) {
return true;
}
bitmap_device2.GetBitmap()->Clear(0);
CalculateDrawImage(&bitmap_device1, &bitmap_device2, m_pDIBSource,
&new_matrix, rect);
bitmap_device2.GetBitmap()->ConvertFormat(FXDIB_8bppMask);
bitmap_device1.GetBitmap()->MultiplyAlpha(bitmap_device2.GetBitmap());
bitmap_device1.GetBitmap()->MultiplyAlpha(255);
m_pRenderStatus->m_pDevice->SetDIBitsWithBlend(
bitmap_device1.GetBitmap(), rect.left, rect.top, m_BlendType);
return false;
}
FX_BOOL CPDF_RenderStatus::GetObjectClippedRect(const CPDF_PageObject* pObj,
const CFX_Matrix* pObj2Device,
FX_BOOL bLogical,
FX_RECT& rect) const {
rect = pObj->GetBBox(pObj2Device);
FX_RECT rtClip = m_pDevice->GetClipBox();
if (!bLogical) {
CFX_Matrix dCTM = m_pDevice->GetCTM();
FX_FLOAT a = FXSYS_fabs(dCTM.a);
FX_FLOAT d = FXSYS_fabs(dCTM.d);
if (a != 1.0f || d != 1.0f) {
rect.right = rect.left + (int32_t)FXSYS_ceil((FX_FLOAT)rect.Width() * a);
rect.bottom = rect.top + (int32_t)FXSYS_ceil((FX_FLOAT)rect.Height() * d);
rtClip.right =
rtClip.left + (int32_t)FXSYS_ceil((FX_FLOAT)rtClip.Width() * a);
rtClip.bottom =
rtClip.top + (int32_t)FXSYS_ceil((FX_FLOAT)rtClip.Height() * d);
}
}
rect.Intersect(rtClip);
return rect.IsEmpty();
}
STDMETHODIMP CDwGdiTextRenderer::DrawGlyphRun(
const FX_RECT& text_bbox,
__in_opt CFX_ClipRgn* pClipRgn,
__in_opt DWRITE_MATRIX const* pMatrix,
FLOAT baselineOriginX,
FLOAT baselineOriginY,
DWRITE_MEASURING_MODE measuringMode,
__in DWRITE_GLYPH_RUN const* glyphRun,
const COLORREF& textColor) {
HRESULT hr = S_OK;
if (pMatrix) {
hr = pRenderTarget_->SetCurrentTransform(pMatrix);
if (FAILED(hr)) {
return hr;
}
}
HDC hDC = pRenderTarget_->GetMemoryDC();
HBITMAP hBitmap = (HBITMAP)::GetCurrentObject(hDC, OBJ_BITMAP);
BITMAP bitmap;
GetObject(hBitmap, sizeof bitmap, &bitmap);
CFX_DIBitmap dib;
dib.Create(bitmap.bmWidth, bitmap.bmHeight,
bitmap.bmBitsPixel == 24 ? FXDIB_Rgb : FXDIB_Rgb32,
(uint8_t*)bitmap.bmBits);
dib.CompositeBitmap(text_bbox.left, text_bbox.top, text_bbox.Width(),
text_bbox.Height(), pBitmap_, text_bbox.left,
text_bbox.top, FXDIB_BLEND_NORMAL, nullptr);
hr = pRenderTarget_->DrawGlyphRun(baselineOriginX, baselineOriginY,
measuringMode, glyphRun, pRenderingParams_,
textColor);
if (FAILED(hr)) {
return hr;
}
pBitmap_->CompositeBitmap(text_bbox.left, text_bbox.top, text_bbox.Width(),
text_bbox.Height(), &dib, text_bbox.left,
text_bbox.top, FXDIB_BLEND_NORMAL, pClipRgn);
return hr;
}
FX_FLOAT CPWL_Edit::GetCharArrayAutoFontSize(CPDF_Font* pFont,
const CPDF_Rect& rcPlate,
int32_t nCharArray) {
if (pFont && !pFont->IsStandardFont()) {
FX_RECT rcBBox;
pFont->GetFontBBox(rcBBox);
CPDF_Rect rcCell = rcPlate;
FX_FLOAT xdiv = rcCell.Width() / nCharArray * 1000.0f / rcBBox.Width();
FX_FLOAT ydiv = -rcCell.Height() * 1000.0f / rcBBox.Height();
return xdiv < ydiv ? xdiv : ydiv;
}
return 0.0f;
}
FX_FLOAT CPDF_TextObject::GetSpaceCharWidth() const {
CPDF_Font* pFont = m_TextState.GetFont();
FX_DWORD charCode = m_TextState.GetFont()->CharCodeFromUnicode(32);
if (charCode != (FX_DWORD)-1) {
return GetCharWidth(charCode);
}
FX_FLOAT fontSize = m_TextState.GetFontSize() / 4000.0f;
FX_BOOL bVertWriting = FALSE;
CPDF_CIDFont* pCIDFont = pFont->GetCIDFont();
if (pCIDFont) {
bVertWriting = pCIDFont->IsVertWriting();
}
FX_RECT fontRect;
pFont->GetFontBBox(fontRect);
fontSize *=
bVertWriting ? (FX_FLOAT)fontRect.Height() : (FX_FLOAT)fontRect.Width();
return fontSize;
}
CFX_DIBitmap* CPDF_RenderStatus::GetBackdrop(const CPDF_PageObject* pObj,
const FX_RECT& rect,
int& left,
int& top,
FX_BOOL bBackAlphaRequired) {
FX_RECT bbox = rect;
bbox.Intersect(m_pDevice->GetClipBox());
left = bbox.left;
top = bbox.top;
CFX_Matrix deviceCTM = m_pDevice->GetCTM();
FX_FLOAT scaleX = FXSYS_fabs(deviceCTM.a);
FX_FLOAT scaleY = FXSYS_fabs(deviceCTM.d);
int width = FXSYS_round(bbox.Width() * scaleX);
int height = FXSYS_round(bbox.Height() * scaleY);
std::unique_ptr<CFX_DIBitmap> pBackdrop(new CFX_DIBitmap);
if (bBackAlphaRequired && !m_bDropObjects)
pBackdrop->Create(width, height, FXDIB_Argb);
else
m_pDevice->CreateCompatibleBitmap(pBackdrop.get(), width, height);
if (!pBackdrop->GetBuffer())
return nullptr;
FX_BOOL bNeedDraw;
if (pBackdrop->HasAlpha())
bNeedDraw = !(m_pDevice->GetRenderCaps() & FXRC_ALPHA_OUTPUT);
else
bNeedDraw = !(m_pDevice->GetRenderCaps() & FXRC_GET_BITS);
if (!bNeedDraw) {
m_pDevice->GetDIBits(pBackdrop.get(), left, top);
return pBackdrop.release();
}
CFX_Matrix FinalMatrix = m_DeviceMatrix;
FinalMatrix.TranslateI(-left, -top);
FinalMatrix.Scale(scaleX, scaleY);
pBackdrop->Clear(pBackdrop->HasAlpha() ? 0 : 0xffffffff);
CFX_FxgeDevice device;
device.Attach(pBackdrop.get(), false, nullptr, false);
m_pContext->Render(&device, pObj, &m_Options, &FinalMatrix);
return pBackdrop.release();
}
void CPDF_ImageRenderer::CalculateDrawImage(CFX_FxgeDevice* pBitmapDevice1,
CFX_FxgeDevice* pBitmapDevice2,
const CFX_DIBSource* pDIBSource,
CFX_Matrix* pNewMatrix,
const FX_RECT& rect) const {
CPDF_RenderStatus bitmap_render;
bitmap_render.Initialize(m_pRenderStatus->m_pContext, pBitmapDevice2, nullptr,
nullptr, nullptr, nullptr, nullptr, 0,
m_pRenderStatus->m_bDropObjects, nullptr, true);
CPDF_ImageRenderer image_render;
if (image_render.Start(&bitmap_render, pDIBSource, 0xffffffff, 255,
pNewMatrix, m_Flags, true, FXDIB_BLEND_NORMAL)) {
image_render.Continue(nullptr);
}
if (m_Loader.m_MatteColor == 0xffffffff)
return;
int matte_r = FXARGB_R(m_Loader.m_MatteColor);
int matte_g = FXARGB_G(m_Loader.m_MatteColor);
int matte_b = FXARGB_B(m_Loader.m_MatteColor);
for (int row = 0; row < rect.Height(); row++) {
uint8_t* dest_scan =
const_cast<uint8_t*>(pBitmapDevice1->GetBitmap()->GetScanline(row));
const uint8_t* mask_scan = pBitmapDevice2->GetBitmap()->GetScanline(row);
for (int col = 0; col < rect.Width(); col++) {
int alpha = *mask_scan++;
if (!alpha) {
dest_scan += 4;
continue;
}
int orig = (*dest_scan - matte_b) * 255 / alpha + matte_b;
*dest_scan++ = std::min(std::max(orig, 0), 255);
orig = (*dest_scan - matte_g) * 255 / alpha + matte_g;
*dest_scan++ = std::min(std::max(orig, 0), 255);
orig = (*dest_scan - matte_r) * 255 / alpha + matte_r;
*dest_scan++ = std::min(std::max(orig, 0), 255);
dest_scan++;
}
}
}
FX_BOOL CPDF_RenderStatus::ProcessTransparency(CPDF_PageObject* pPageObj,
const CFX_Matrix* pObj2Device) {
#if defined _SKIA_SUPPORT_
DebugVerifyDeviceIsPreMultiplied();
#endif
int blend_type = pPageObj->m_GeneralState.GetBlendType();
if (blend_type == FXDIB_BLEND_UNSUPPORTED)
return TRUE;
CPDF_Dictionary* pSMaskDict =
ToDictionary(pPageObj->m_GeneralState.GetSoftMask());
if (pSMaskDict) {
if (pPageObj->IsImage() &&
pPageObj->AsImage()->GetImage()->GetDict()->KeyExist("SMask")) {
pSMaskDict = nullptr;
}
}
CPDF_Dictionary* pFormResource = nullptr;
FX_FLOAT group_alpha = 1.0f;
int Transparency = m_Transparency;
FX_BOOL bGroupTransparent = FALSE;
if (pPageObj->IsForm()) {
const CPDF_FormObject* pFormObj = pPageObj->AsForm();
group_alpha = pFormObj->m_GeneralState.GetFillAlpha();
Transparency = pFormObj->m_pForm->m_Transparency;
bGroupTransparent = !!(Transparency & PDFTRANS_ISOLATED);
if (pFormObj->m_pForm->m_pFormDict) {
pFormResource = pFormObj->m_pForm->m_pFormDict->GetDictBy("Resources");
}
}
bool bTextClip =
(pPageObj->m_ClipPath && pPageObj->m_ClipPath.GetTextCount() &&
m_pDevice->GetDeviceClass() == FXDC_DISPLAY &&
!(m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_SOFT_CLIP));
if ((m_Options.m_Flags & RENDER_OVERPRINT) && pPageObj->IsImage() &&
pPageObj->m_GeneralState.GetFillOP() &&
pPageObj->m_GeneralState.GetStrokeOP()) {
CPDF_Document* pDocument = nullptr;
CPDF_Page* pPage = nullptr;
if (m_pContext->GetPageCache()) {
pPage = m_pContext->GetPageCache()->GetPage();
pDocument = pPage->m_pDocument;
} else {
pDocument = pPageObj->AsImage()->GetImage()->GetDocument();
}
CPDF_Dictionary* pPageResources = pPage ? pPage->m_pPageResources : nullptr;
CPDF_Object* pCSObj = pPageObj->AsImage()
->GetImage()
->GetStream()
->GetDict()
->GetDirectObjectBy("ColorSpace");
CPDF_ColorSpace* pColorSpace =
pDocument->LoadColorSpace(pCSObj, pPageResources);
if (pColorSpace) {
int format = pColorSpace->GetFamily();
if (format == PDFCS_DEVICECMYK || format == PDFCS_SEPARATION ||
format == PDFCS_DEVICEN) {
blend_type = FXDIB_BLEND_DARKEN;
}
pDocument->GetPageData()->ReleaseColorSpace(pCSObj);
}
}
if (!pSMaskDict && group_alpha == 1.0f && blend_type == FXDIB_BLEND_NORMAL &&
!bTextClip && !bGroupTransparent) {
return FALSE;
}
bool isolated = !!(Transparency & PDFTRANS_ISOLATED);
if (m_bPrint) {
FX_BOOL bRet = FALSE;
int rendCaps = m_pDevice->GetRenderCaps();
if (!((Transparency & PDFTRANS_ISOLATED) || pSMaskDict || bTextClip) &&
(rendCaps & FXRC_BLEND_MODE)) {
int oldBlend = m_curBlend;
m_curBlend = blend_type;
bRet = DrawObjWithBlend(pPageObj, pObj2Device);
m_curBlend = oldBlend;
}
if (!bRet) {
DrawObjWithBackground(pPageObj, pObj2Device);
}
return TRUE;
}
FX_RECT rect = pPageObj->GetBBox(pObj2Device);
rect.Intersect(m_pDevice->GetClipBox());
if (rect.IsEmpty()) {
return TRUE;
}
CFX_Matrix deviceCTM = m_pDevice->GetCTM();
FX_FLOAT scaleX = FXSYS_fabs(deviceCTM.a);
FX_FLOAT scaleY = FXSYS_fabs(deviceCTM.d);
int width = FXSYS_round((FX_FLOAT)rect.Width() * scaleX);
int height = FXSYS_round((FX_FLOAT)rect.Height() * scaleY);
CFX_FxgeDevice bitmap_device;
std::unique_ptr<CFX_DIBitmap> oriDevice;
if (!isolated && (m_pDevice->GetRenderCaps() & FXRC_GET_BITS)) {
oriDevice.reset(new CFX_DIBitmap);
if (!m_pDevice->CreateCompatibleBitmap(oriDevice.get(), width, height))
return TRUE;
m_pDevice->GetDIBits(oriDevice.get(), rect.left, rect.top);
}
if (!bitmap_device.Create(width, height, FXDIB_Argb, oriDevice.get()))
return TRUE;
CFX_DIBitmap* bitmap = bitmap_device.GetBitmap();
bitmap->Clear(0);
CFX_Matrix new_matrix = *pObj2Device;
new_matrix.TranslateI(-rect.left, -rect.top);
new_matrix.Scale(scaleX, scaleY);
std::unique_ptr<CFX_DIBitmap> pTextMask;
if (bTextClip) {
pTextMask.reset(new CFX_DIBitmap);
if (!pTextMask->Create(width, height, FXDIB_8bppMask))
return TRUE;
pTextMask->Clear(0);
CFX_FxgeDevice text_device;
text_device.Attach(pTextMask.get(), false, nullptr, false);
for (uint32_t i = 0; i < pPageObj->m_ClipPath.GetTextCount(); i++) {
CPDF_TextObject* textobj = pPageObj->m_ClipPath.GetText(i);
if (!textobj) {
break;
}
CFX_Matrix text_matrix;
textobj->GetTextMatrix(&text_matrix);
CPDF_TextRenderer::DrawTextPath(
&text_device, textobj->m_nChars, textobj->m_pCharCodes,
textobj->m_pCharPos, textobj->m_TextState.GetFont(),
textobj->m_TextState.GetFontSize(), &text_matrix, &new_matrix,
textobj->m_GraphState.GetObject(), (FX_ARGB)-1, 0, nullptr, 0);
}
}
CPDF_RenderStatus bitmap_render;
bitmap_render.Initialize(m_pContext, &bitmap_device, nullptr, m_pStopObj,
nullptr, nullptr, &m_Options, 0, m_bDropObjects,
pFormResource, TRUE);
bitmap_render.ProcessObjectNoClip(pPageObj, &new_matrix);
m_bStopped = bitmap_render.m_bStopped;
if (pSMaskDict) {
CFX_Matrix smask_matrix = *pPageObj->m_GeneralState.GetSMaskMatrix();
smask_matrix.Concat(*pObj2Device);
std::unique_ptr<CFX_DIBSource> pSMaskSource(
LoadSMask(pSMaskDict, &rect, &smask_matrix));
if (pSMaskSource)
bitmap->MultiplyAlpha(pSMaskSource.get());
}
if (pTextMask) {
bitmap->MultiplyAlpha(pTextMask.get());
pTextMask.reset();
}
int32_t blitAlpha = 255;
if (Transparency & PDFTRANS_GROUP && group_alpha != 1.0f) {
blitAlpha = (int32_t)(group_alpha * 255);
#ifndef _SKIA_SUPPORT_
bitmap->MultiplyAlpha(blitAlpha);
blitAlpha = 255;
#endif
}
Transparency = m_Transparency;
if (pPageObj->IsForm()) {
Transparency |= PDFTRANS_GROUP;
}
CompositeDIBitmap(bitmap, rect.left, rect.top, 0, blitAlpha, blend_type,
Transparency);
#if defined _SKIA_SUPPORT_
DebugVerifyDeviceIsPreMultiplied();
#endif
return TRUE;
}
FX_BOOL CPDF_RenderStatus::ProcessType3Text(const CPDF_TextObject* textobj, const CFX_AffineMatrix* pObj2Device)
{
CPDF_Type3Font* pType3Font = textobj->m_TextState.GetFont()->GetType3Font();
for (int j = 0; j < m_Type3FontCache.GetSize(); j++)
if ((CPDF_Type3Font*)m_Type3FontCache.GetAt(j) == pType3Font) {
return TRUE;
}
CFX_Matrix dCTM = m_pDevice->GetCTM();
FX_FLOAT sa = FXSYS_fabs(dCTM.a);
FX_FLOAT sd = FXSYS_fabs(dCTM.d);
CFX_AffineMatrix text_matrix;
textobj->GetTextMatrix(&text_matrix);
CFX_AffineMatrix char_matrix = pType3Font->GetFontMatrix();
FX_FLOAT font_size = textobj->m_TextState.GetFontSize();
char_matrix.Scale(font_size, font_size);
FX_ARGB fill_argb = GetFillArgb(textobj, TRUE);
int fill_alpha = FXARGB_A(fill_argb);
int device_class = m_pDevice->GetDeviceClass();
FXTEXT_GLYPHPOS* pGlyphAndPos = NULL;
if (device_class == FXDC_DISPLAY) {
pGlyphAndPos = FX_Alloc(FXTEXT_GLYPHPOS, textobj->m_nChars);
} else if (fill_alpha < 255) {
return FALSE;
}
CPDF_RefType3Cache refTypeCache(pType3Font);
FX_DWORD *pChars = textobj->m_pCharCodes;
if (textobj->m_nChars == 1) {
pChars = (FX_DWORD*)(&textobj->m_pCharCodes);
}
for (int iChar = 0; iChar < textobj->m_nChars; iChar ++) {
FX_DWORD charcode = pChars[iChar];
if (charcode == (FX_DWORD) - 1) {
continue;
}
CPDF_Type3Char* pType3Char = pType3Font->LoadChar(charcode);
if (pType3Char == NULL) {
continue;
}
CFX_AffineMatrix matrix = char_matrix;
matrix.e += iChar ? textobj->m_pCharPos[iChar - 1] : 0;
matrix.Concat(text_matrix);
matrix.Concat(*pObj2Device);
if (!pType3Char->LoadBitmap(m_pContext)) {
if (pGlyphAndPos) {
for (int i = 0; i < iChar; i ++) {
FXTEXT_GLYPHPOS& glyph = pGlyphAndPos[i];
if (glyph.m_pGlyph == NULL) {
continue;
}
m_pDevice->SetBitMask(&glyph.m_pGlyph->m_Bitmap,
glyph.m_OriginX + glyph.m_pGlyph->m_Left,
glyph.m_OriginY - glyph.m_pGlyph->m_Top, fill_argb);
}
FX_Free(pGlyphAndPos);
pGlyphAndPos = NULL;
}
CPDF_GraphicStates* pStates = CloneObjStates(textobj, FALSE);
CPDF_RenderOptions Options = m_Options;
Options.m_Flags |= RENDER_FORCE_HALFTONE | RENDER_RECT_AA;
Options.m_Flags &= ~RENDER_FORCE_DOWNSAMPLE;
CPDF_Dictionary* pFormResource = NULL;
if (pType3Char->m_pForm && pType3Char->m_pForm->m_pFormDict) {
pFormResource = pType3Char->m_pForm->m_pFormDict->GetDict(FX_BSTRC("Resources"));
}
if (fill_alpha == 255) {
CPDF_RenderStatus status;
status.Initialize(m_Level + 1, m_pContext, m_pDevice, NULL, NULL, this, pStates, &Options,
pType3Char->m_pForm->m_Transparency, m_bDropObjects, pFormResource, FALSE, pType3Char, fill_argb);
status.m_Type3FontCache.Append(m_Type3FontCache);
status.m_Type3FontCache.Add(pType3Font);
m_pDevice->SaveState();
status.RenderObjectList(pType3Char->m_pForm, &matrix);
m_pDevice->RestoreState();
} else {
CFX_FloatRect rect_f = pType3Char->m_pForm->CalcBoundingBox();
rect_f.Transform(&matrix);
FX_RECT rect = rect_f.GetOutterRect();
CFX_FxgeDevice bitmap_device;
if (!bitmap_device.Create((int)(rect.Width() * sa), (int)(rect.Height() * sd), FXDIB_Argb)) {
return TRUE;
}
bitmap_device.GetBitmap()->Clear(0);
CPDF_RenderStatus status;
status.Initialize(m_Level + 1, m_pContext, &bitmap_device, NULL, NULL, this, pStates, &Options,
pType3Char->m_pForm->m_Transparency, m_bDropObjects, pFormResource, FALSE, pType3Char, fill_argb);
status.m_Type3FontCache.Append(m_Type3FontCache);
status.m_Type3FontCache.Add(pType3Font);
matrix.TranslateI(-rect.left, -rect.top);
matrix.Scale(sa, sd);
status.RenderObjectList(pType3Char->m_pForm, &matrix);
m_pDevice->SetDIBits(bitmap_device.GetBitmap(), rect.left, rect.top);
}
delete pStates;
} else if (pType3Char->m_pBitmap) {
if (device_class == FXDC_DISPLAY) {
CPDF_Type3Cache* pCache = GetCachedType3(pType3Font);
refTypeCache.m_dwCount++;
CFX_GlyphBitmap* pBitmap = pCache->LoadGlyph(charcode, &matrix, sa, sd);
if (pBitmap == NULL) {
continue;
}
int origin_x = FXSYS_round(matrix.e);
int origin_y = FXSYS_round(matrix.f);
if (pGlyphAndPos) {
pGlyphAndPos[iChar].m_pGlyph = pBitmap;
pGlyphAndPos[iChar].m_OriginX = origin_x;
pGlyphAndPos[iChar].m_OriginY = origin_y;
} else {
m_pDevice->SetBitMask(&pBitmap->m_Bitmap, origin_x + pBitmap->m_Left, origin_y - pBitmap->m_Top, fill_argb);
}
} else {
CFX_AffineMatrix image_matrix = pType3Char->m_ImageMatrix;
image_matrix.Concat(matrix);
CPDF_ImageRenderer renderer;
if (renderer.Start(this, pType3Char->m_pBitmap, fill_argb, 255, &image_matrix, 0, FALSE)) {
renderer.Continue(NULL);
}
if (!renderer.m_Result) {
return FALSE;
}
}
}
}
if (pGlyphAndPos) {
FX_RECT rect = FXGE_GetGlyphsBBox(pGlyphAndPos, textobj->m_nChars, 0, sa, sd);
CFX_DIBitmap bitmap;
if (!bitmap.Create((int)(rect.Width() * sa), (int)(rect.Height() * sd), FXDIB_8bppMask)) {
FX_Free(pGlyphAndPos);
return TRUE;
}
bitmap.Clear(0);
for (int iChar = 0; iChar < textobj->m_nChars; iChar ++) {
FXTEXT_GLYPHPOS& glyph = pGlyphAndPos[iChar];
if (glyph.m_pGlyph == NULL) {
continue;
}
bitmap.TransferBitmap((int)((glyph.m_OriginX + glyph.m_pGlyph->m_Left - rect.left) * sa),
(int)((glyph.m_OriginY - glyph.m_pGlyph->m_Top - rect.top) * sd),
glyph.m_pGlyph->m_Bitmap.GetWidth(), glyph.m_pGlyph->m_Bitmap.GetHeight(),
&glyph.m_pGlyph->m_Bitmap, 0, 0);
}
m_pDevice->SetBitMask(&bitmap, rect.left, rect.top, fill_argb);
FX_Free(pGlyphAndPos);
}
return TRUE;
}
FX_BOOL CPDF_RenderStatus::ProcessTransparency(
const CPDF_PageObject* pPageObj,
const CFX_AffineMatrix* pObj2Device) {
const CPDF_GeneralStateData* pGeneralState = pPageObj->m_GeneralState;
int blend_type =
pGeneralState ? pGeneralState->m_BlendType : FXDIB_BLEND_NORMAL;
if (blend_type == FXDIB_BLEND_UNSUPPORTED) {
return TRUE;
}
CPDF_Dictionary* pSMaskDict =
pGeneralState ? ToDictionary(pGeneralState->m_pSoftMask) : NULL;
if (pSMaskDict) {
if (pPageObj->m_Type == PDFPAGE_IMAGE &&
((CPDF_ImageObject*)pPageObj)
->m_pImage->GetDict()
->KeyExist(FX_BSTRC("SMask"))) {
pSMaskDict = NULL;
}
}
CPDF_Dictionary* pFormResource = NULL;
FX_FLOAT group_alpha = 1.0f;
int Transparency = m_Transparency;
FX_BOOL bGroupTransparent = FALSE;
if (pPageObj->m_Type == PDFPAGE_FORM) {
CPDF_FormObject* pFormObj = (CPDF_FormObject*)pPageObj;
const CPDF_GeneralStateData* pStateData =
pFormObj->m_GeneralState.GetObject();
if (pStateData) {
group_alpha = pStateData->m_FillAlpha;
}
Transparency = pFormObj->m_pForm->m_Transparency;
bGroupTransparent = !!(Transparency & PDFTRANS_ISOLATED);
if (pFormObj->m_pForm->m_pFormDict) {
pFormResource = pFormObj->m_pForm->m_pFormDict->GetDict("Resources");
}
}
FX_BOOL bTextClip = FALSE;
if (pPageObj->m_ClipPath.NotNull() && pPageObj->m_ClipPath.GetTextCount() &&
m_pDevice->GetDeviceClass() == FXDC_DISPLAY &&
!(m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_SOFT_CLIP)) {
bTextClip = TRUE;
}
if ((m_Options.m_Flags & RENDER_OVERPRINT) &&
pPageObj->m_Type == PDFPAGE_IMAGE && pGeneralState &&
pGeneralState->m_FillOP && pGeneralState->m_StrokeOP) {
CPDF_Document* pDocument = NULL;
CPDF_Page* pPage = NULL;
if (m_pContext->m_pPageCache) {
pPage = m_pContext->m_pPageCache->GetPage();
pDocument = pPage->m_pDocument;
} else {
pDocument = ((CPDF_ImageObject*)pPageObj)->m_pImage->GetDocument();
}
CPDF_Dictionary* pPageResources = pPage ? pPage->m_pPageResources : NULL;
CPDF_Object* pCSObj = ((CPDF_ImageObject*)pPageObj)
->m_pImage->GetStream()
->GetDict()
->GetElementValue(FX_BSTRC("ColorSpace"));
CPDF_ColorSpace* pColorSpace =
pDocument->LoadColorSpace(pCSObj, pPageResources);
if (pColorSpace) {
int format = pColorSpace->GetFamily();
if (format == PDFCS_DEVICECMYK || format == PDFCS_SEPARATION ||
format == PDFCS_DEVICEN) {
blend_type = FXDIB_BLEND_DARKEN;
}
pDocument->GetPageData()->ReleaseColorSpace(pCSObj);
}
}
if (pSMaskDict == NULL && group_alpha == 1.0f &&
blend_type == FXDIB_BLEND_NORMAL && !bTextClip && !bGroupTransparent) {
return FALSE;
}
FX_BOOL isolated = Transparency & PDFTRANS_ISOLATED;
if (m_bPrint) {
FX_BOOL bRet = FALSE;
int rendCaps = m_pDevice->GetRenderCaps();
if (!((Transparency & PDFTRANS_ISOLATED) || pSMaskDict || bTextClip) &&
(rendCaps & FXRC_BLEND_MODE)) {
int oldBlend = m_curBlend;
m_curBlend = blend_type;
bRet = DrawObjWithBlend(pPageObj, pObj2Device);
m_curBlend = oldBlend;
}
if (!bRet) {
DrawObjWithBackground(pPageObj, pObj2Device);
}
return TRUE;
}
FX_RECT rect = pPageObj->GetBBox(pObj2Device);
rect.Intersect(m_pDevice->GetClipBox());
if (rect.IsEmpty()) {
return TRUE;
}
CFX_Matrix deviceCTM = m_pDevice->GetCTM();
FX_FLOAT scaleX = FXSYS_fabs(deviceCTM.a);
FX_FLOAT scaleY = FXSYS_fabs(deviceCTM.d);
int width = FXSYS_round((FX_FLOAT)rect.Width() * scaleX);
int height = FXSYS_round((FX_FLOAT)rect.Height() * scaleY);
CFX_FxgeDevice bitmap_device;
nonstd::unique_ptr<CFX_DIBitmap> oriDevice;
if (!isolated && (m_pDevice->GetRenderCaps() & FXRC_GET_BITS)) {
oriDevice.reset(new CFX_DIBitmap);
if (!m_pDevice->CreateCompatibleBitmap(oriDevice.get(), width, height))
return TRUE;
m_pDevice->GetDIBits(oriDevice.get(), rect.left, rect.top);
}
if (!bitmap_device.Create(width, height, FXDIB_Argb, 0, oriDevice.get()))
return TRUE;
CFX_DIBitmap* bitmap = bitmap_device.GetBitmap();
bitmap->Clear(0);
CFX_AffineMatrix new_matrix = *pObj2Device;
new_matrix.TranslateI(-rect.left, -rect.top);
new_matrix.Scale(scaleX, scaleY);
nonstd::unique_ptr<CFX_DIBitmap> pTextMask;
if (bTextClip) {
pTextMask.reset(new CFX_DIBitmap);
if (!pTextMask->Create(width, height, FXDIB_8bppMask))
return TRUE;
pTextMask->Clear(0);
CFX_FxgeDevice text_device;
text_device.Attach(pTextMask.get());
for (FX_DWORD i = 0; i < pPageObj->m_ClipPath.GetTextCount(); i++) {
CPDF_TextObject* textobj = pPageObj->m_ClipPath.GetText(i);
if (textobj == NULL) {
break;
}
CFX_AffineMatrix text_matrix;
textobj->GetTextMatrix(&text_matrix);
CPDF_TextRenderer::DrawTextPath(
&text_device, textobj->m_nChars, textobj->m_pCharCodes,
textobj->m_pCharPos, textobj->m_TextState.GetFont(),
textobj->m_TextState.GetFontSize(), &text_matrix, &new_matrix,
textobj->m_GraphState, (FX_ARGB)-1, 0, NULL);
}
}
CPDF_RenderStatus bitmap_render;
bitmap_render.Initialize(m_pContext, &bitmap_device, NULL, m_pStopObj, NULL,
NULL, &m_Options, 0, m_bDropObjects, pFormResource,
TRUE);
bitmap_render.ProcessObjectNoClip(pPageObj, &new_matrix);
m_bStopped = bitmap_render.m_bStopped;
if (pSMaskDict) {
CFX_AffineMatrix smask_matrix;
FXSYS_memcpy(&smask_matrix, pGeneralState->m_SMaskMatrix,
sizeof smask_matrix);
smask_matrix.Concat(*pObj2Device);
nonstd::unique_ptr<CFX_DIBSource> pSMaskSource(
LoadSMask(pSMaskDict, &rect, &smask_matrix));
if (pSMaskSource)
bitmap->MultiplyAlpha(pSMaskSource.get());
}
if (pTextMask) {
bitmap->MultiplyAlpha(pTextMask.get());
pTextMask.reset();
}
if (Transparency & PDFTRANS_GROUP && group_alpha != 1.0f) {
bitmap->MultiplyAlpha((int32_t)(group_alpha * 255));
}
Transparency = m_Transparency;
if (pPageObj->m_Type == PDFPAGE_FORM) {
Transparency |= PDFTRANS_GROUP;
}
CompositeDIBitmap(bitmap, rect.left, rect.top, 0, 255, blend_type,
Transparency);
return TRUE;
}
FX_BOOL CPDF_ImageRenderer::DrawMaskedImage() {
if (m_pRenderStatus->m_bPrint &&
!(m_pRenderStatus->m_pDevice->GetRenderCaps() & FXRC_BLEND_MODE)) {
m_Result = FALSE;
return FALSE;
}
FX_RECT rect = m_ImageMatrix.GetUnitRect().GetOutterRect();
rect.Intersect(m_pRenderStatus->m_pDevice->GetClipBox());
if (rect.IsEmpty()) {
return FALSE;
}
CFX_AffineMatrix new_matrix = m_ImageMatrix;
new_matrix.TranslateI(-rect.left, -rect.top);
int width = rect.Width();
int height = rect.Height();
CFX_FxgeDevice bitmap_device1;
if (!bitmap_device1.Create(width, height, FXDIB_Rgb32)) {
return TRUE;
}
bitmap_device1.GetBitmap()->Clear(0xffffff);
{
CPDF_RenderStatus bitmap_render;
bitmap_render.Initialize(m_pRenderStatus->m_pContext, &bitmap_device1, NULL,
NULL, NULL, NULL, NULL, 0,
m_pRenderStatus->m_bDropObjects, NULL, TRUE);
CPDF_ImageRenderer image_render;
if (image_render.Start(&bitmap_render, m_pDIBSource, 0, 255, &new_matrix,
m_Flags, TRUE)) {
image_render.Continue(NULL);
}
}
{
CFX_FxgeDevice bitmap_device2;
if (!bitmap_device2.Create(width, height, FXDIB_8bppRgb)) {
return TRUE;
}
bitmap_device2.GetBitmap()->Clear(0);
CPDF_RenderStatus bitmap_render;
bitmap_render.Initialize(m_pRenderStatus->m_pContext, &bitmap_device2, NULL,
NULL, NULL, NULL, NULL, 0,
m_pRenderStatus->m_bDropObjects, NULL, TRUE);
CPDF_ImageRenderer image_render;
if (image_render.Start(&bitmap_render, m_Loader.m_pMask, 0xffffffff, 255,
&new_matrix, m_Flags, TRUE)) {
image_render.Continue(NULL);
}
if (m_Loader.m_MatteColor != 0xffffffff) {
int matte_r = FXARGB_R(m_Loader.m_MatteColor);
int matte_g = FXARGB_G(m_Loader.m_MatteColor);
int matte_b = FXARGB_B(m_Loader.m_MatteColor);
for (int row = 0; row < height; row++) {
uint8_t* dest_scan =
(uint8_t*)bitmap_device1.GetBitmap()->GetScanline(row);
const uint8_t* mask_scan = bitmap_device2.GetBitmap()->GetScanline(row);
for (int col = 0; col < width; col++) {
int alpha = *mask_scan++;
if (alpha) {
int orig = (*dest_scan - matte_b) * 255 / alpha + matte_b;
if (orig < 0) {
orig = 0;
} else if (orig > 255) {
orig = 255;
}
*dest_scan++ = orig;
orig = (*dest_scan - matte_g) * 255 / alpha + matte_g;
if (orig < 0) {
orig = 0;
} else if (orig > 255) {
orig = 255;
}
*dest_scan++ = orig;
orig = (*dest_scan - matte_r) * 255 / alpha + matte_r;
if (orig < 0) {
orig = 0;
} else if (orig > 255) {
orig = 255;
}
*dest_scan++ = orig;
dest_scan++;
} else {
dest_scan += 4;
}
}
}
}
bitmap_device2.GetBitmap()->ConvertFormat(FXDIB_8bppMask);
bitmap_device1.GetBitmap()->MultiplyAlpha(bitmap_device2.GetBitmap());
if (m_BitmapAlpha < 255) {
bitmap_device1.GetBitmap()->MultiplyAlpha(m_BitmapAlpha);
}
}
m_pRenderStatus->m_pDevice->SetDIBits(bitmap_device1.GetBitmap(), rect.left,
rect.top, m_BlendType);
return FALSE;
}
FX_BOOL CPDF_ImageRenderer::DrawPatternImage(const CFX_Matrix* pObj2Device)
{
if (m_pRenderStatus->m_bPrint && !(m_pRenderStatus->m_pDevice->GetRenderCaps() & FXRC_BLEND_MODE)) {
m_Result = FALSE;
return FALSE;
}
FX_RECT rect = m_ImageMatrix.GetUnitRect().GetOutterRect();
rect.Intersect(m_pRenderStatus->m_pDevice->GetClipBox());
if (rect.IsEmpty()) {
return FALSE;
}
CFX_AffineMatrix new_matrix = m_ImageMatrix;
new_matrix.TranslateI(-rect.left, -rect.top);
int width = rect.Width();
int height = rect.Height();
CFX_FxgeDevice bitmap_device1;
if (!bitmap_device1.Create(rect.Width(), rect.Height(), FXDIB_Rgb32)) {
return TRUE;
}
bitmap_device1.GetBitmap()->Clear(0xffffff);
{
CPDF_RenderStatus bitmap_render;
bitmap_render.Initialize(m_pRenderStatus->m_Level + 1, m_pRenderStatus->m_pContext, &bitmap_device1, NULL, NULL,
NULL, NULL, &m_pRenderStatus->m_Options, 0, m_pRenderStatus->m_bDropObjects, NULL, TRUE);
CFX_Matrix patternDevice = *pObj2Device;
patternDevice.Translate((FX_FLOAT) - rect.left, (FX_FLOAT) - rect.top);
if(m_pPattern->m_PatternType == PATTERN_TILING) {
bitmap_render.DrawTilingPattern((CPDF_TilingPattern*)m_pPattern, m_pImageObject, &patternDevice, FALSE);
} else {
bitmap_render.DrawShadingPattern((CPDF_ShadingPattern*)m_pPattern, m_pImageObject, &patternDevice, FALSE);
}
}
{
CFX_FxgeDevice bitmap_device2;
if (!bitmap_device2.Create(rect.Width(), rect.Height(), FXDIB_8bppRgb)) {
return TRUE;
}
bitmap_device2.GetBitmap()->Clear(0);
CPDF_RenderStatus bitmap_render;
bitmap_render.Initialize(m_pRenderStatus->m_Level + 1, m_pRenderStatus->m_pContext, &bitmap_device2, NULL, NULL,
NULL, NULL, NULL, 0, m_pRenderStatus->m_bDropObjects, NULL, TRUE);
CPDF_ImageRenderer image_render;
if (image_render.Start(&bitmap_render, m_pDIBSource, 0xffffffff, 255, &new_matrix, m_Flags, TRUE)) {
image_render.Continue(NULL);
}
if (m_Loader.m_MatteColor != 0xffffffff) {
int matte_r = FXARGB_R(m_Loader.m_MatteColor);
int matte_g = FXARGB_G(m_Loader.m_MatteColor);
int matte_b = FXARGB_B(m_Loader.m_MatteColor);
for (int row = 0; row < height; row ++) {
FX_LPBYTE dest_scan = (FX_LPBYTE)bitmap_device1.GetBitmap()->GetScanline(row);
FX_LPCBYTE mask_scan = bitmap_device2.GetBitmap()->GetScanline(row);
for (int col = 0; col < width; col ++) {
int alpha = *mask_scan ++;
if (alpha) {
int orig = (*dest_scan - matte_b) * 255 / alpha + matte_b;
if (orig < 0) {
orig = 0;
} else if (orig > 255) {
orig = 255;
}
*dest_scan++ = orig;
orig = (*dest_scan - matte_g) * 255 / alpha + matte_g;
if (orig < 0) {
orig = 0;
} else if (orig > 255) {
orig = 255;
}
*dest_scan++ = orig;
orig = (*dest_scan - matte_r) * 255 / alpha + matte_r;
if (orig < 0) {
orig = 0;
} else if (orig > 255) {
orig = 255;
}
*dest_scan++ = orig;
dest_scan ++;
} else {
dest_scan += 4;
}
}
}
}
bitmap_device2.GetBitmap()->ConvertFormat(FXDIB_8bppMask);
bitmap_device1.GetBitmap()->MultiplyAlpha(bitmap_device2.GetBitmap());
bitmap_device1.GetBitmap()->MultiplyAlpha(255);
}
m_pRenderStatus->m_pDevice->SetDIBits(bitmap_device1.GetBitmap(), rect.left, rect.top, m_BlendType);
return FALSE;
}
bool CPDF_ImageRenderer::DrawPatternImage(const CFX_Matrix* pObj2Device) {
if (m_pRenderStatus->m_bPrint &&
!(m_pRenderStatus->m_pDevice->GetRenderCaps() & FXRC_BLEND_MODE)) {
m_Result = false;
return false;
}
FX_RECT rect = m_ImageMatrix.GetUnitRect().GetOuterRect();
rect.Intersect(m_pRenderStatus->m_pDevice->GetClipBox());
if (rect.IsEmpty()) {
return false;
}
CFX_Matrix new_matrix = m_ImageMatrix;
new_matrix.TranslateI(-rect.left, -rect.top);
int width = rect.Width();
int height = rect.Height();
CFX_FxgeDevice bitmap_device1;
if (!bitmap_device1.Create(rect.Width(), rect.Height(), FXDIB_Rgb32, nullptr))
return true;
bitmap_device1.GetBitmap()->Clear(0xffffff);
{
CPDF_RenderStatus bitmap_render;
bitmap_render.Initialize(m_pRenderStatus->m_pContext, &bitmap_device1,
nullptr, nullptr, nullptr, nullptr,
&m_pRenderStatus->m_Options, 0,
m_pRenderStatus->m_bDropObjects, nullptr, true);
CFX_Matrix patternDevice = *pObj2Device;
patternDevice.Translate((FX_FLOAT)-rect.left, (FX_FLOAT)-rect.top);
if (CPDF_TilingPattern* pTilingPattern = m_pPattern->AsTilingPattern()) {
bitmap_render.DrawTilingPattern(pTilingPattern, m_pImageObject,
&patternDevice, false);
} else if (CPDF_ShadingPattern* pShadingPattern =
m_pPattern->AsShadingPattern()) {
bitmap_render.DrawShadingPattern(pShadingPattern, m_pImageObject,
&patternDevice, false);
}
}
{
CFX_FxgeDevice bitmap_device2;
if (!bitmap_device2.Create(rect.Width(), rect.Height(), FXDIB_8bppRgb,
nullptr)) {
return true;
}
bitmap_device2.GetBitmap()->Clear(0);
CPDF_RenderStatus bitmap_render;
bitmap_render.Initialize(m_pRenderStatus->m_pContext, &bitmap_device2,
nullptr, nullptr, nullptr, nullptr, nullptr, 0,
m_pRenderStatus->m_bDropObjects, nullptr, true);
CPDF_ImageRenderer image_render;
if (image_render.Start(&bitmap_render, m_pDIBSource, 0xffffffff, 255,
&new_matrix, m_Flags, true)) {
image_render.Continue(nullptr);
}
if (m_Loader.m_MatteColor != 0xffffffff) {
int matte_r = FXARGB_R(m_Loader.m_MatteColor);
int matte_g = FXARGB_G(m_Loader.m_MatteColor);
int matte_b = FXARGB_B(m_Loader.m_MatteColor);
for (int row = 0; row < height; row++) {
uint8_t* dest_scan =
(uint8_t*)bitmap_device1.GetBitmap()->GetScanline(row);
const uint8_t* mask_scan = bitmap_device2.GetBitmap()->GetScanline(row);
for (int col = 0; col < width; col++) {
int alpha = *mask_scan++;
if (alpha) {
int orig = (*dest_scan - matte_b) * 255 / alpha + matte_b;
if (orig < 0) {
orig = 0;
} else if (orig > 255) {
orig = 255;
}
*dest_scan++ = orig;
orig = (*dest_scan - matte_g) * 255 / alpha + matte_g;
if (orig < 0) {
orig = 0;
} else if (orig > 255) {
orig = 255;
}
*dest_scan++ = orig;
orig = (*dest_scan - matte_r) * 255 / alpha + matte_r;
if (orig < 0) {
orig = 0;
} else if (orig > 255) {
orig = 255;
}
*dest_scan++ = orig;
dest_scan++;
} else {
dest_scan += 4;
}
}
}
}
bitmap_device2.GetBitmap()->ConvertFormat(FXDIB_8bppMask);
bitmap_device1.GetBitmap()->MultiplyAlpha(bitmap_device2.GetBitmap());
bitmap_device1.GetBitmap()->MultiplyAlpha(255);
}
m_pRenderStatus->m_pDevice->SetDIBitsWithBlend(
bitmap_device1.GetBitmap(), rect.left, rect.top, m_BlendType);
return false;
}