static void nativeSetTransformAndClip(JNIEnv* env, jclass thiz, jlong documentPtr, jint pageIndex,
jlong transformPtr, jint clipLeft, jint clipTop, jint clipRight, jint clipBottom) {
FPDF_DOCUMENT document = reinterpret_cast<FPDF_DOCUMENT>(documentPtr);
CPDF_Page* page = (CPDF_Page*) FPDF_LoadPage(document, pageIndex);
if (!page) {
jniThrowException(env, "java/lang/IllegalStateException",
"cannot open page");
return;
}
double width = 0;
double height = 0;
const int result = FPDF_GetPageSizeByIndex(document, pageIndex, &width, &height);
if (!result) {
jniThrowException(env, "java/lang/IllegalStateException",
"cannot get page size");
return;
}
CFX_AffineMatrix matrix;
SkMatrix* skTransform = reinterpret_cast<SkMatrix*>(transformPtr);
SkScalar transformValues[6];
if (!skTransform->asAffine(transformValues)) {
jniThrowException(env, "java/lang/IllegalArgumentException",
"transform matrix has perspective. Only affine matrices are allowed.");
return;
}
// PDF's coordinate system origin is left-bottom while in graphics it
// is the top-left. So, translate the PDF coordinates to ours.
matrix.Set(1, 0, 0, -1, 0, page->GetPageHeight());
// Apply the transformation what was created in our coordinates.
matrix.Concat(transformValues[SkMatrix::kAScaleX], transformValues[SkMatrix::kASkewY],
transformValues[SkMatrix::kASkewX], transformValues[SkMatrix::kAScaleY],
transformValues[SkMatrix::kATransX], transformValues[SkMatrix::kATransY]);
// Translate the result back to PDF coordinates.
matrix.Concat(1, 0, 0, -1, 0, page->GetPageHeight());
FS_MATRIX transform = {matrix.a, matrix.b, matrix.c, matrix.d, matrix.e, matrix.f};
FS_RECTF clip = {(float) clipLeft, (float) clipTop, (float) clipRight, (float) clipBottom};
FPDFPage_TransFormWithClip(page, &transform, &clip);
FPDF_ClosePage(page);
}
void CPDF_FormControl::DrawControl(CFX_RenderDevice* pDevice,
CFX_AffineMatrix* pMatrix,
CPDF_Page* pPage,
CPDF_Annot::AppearanceMode mode,
const CPDF_RenderOptions* pOptions) {
if (m_pWidgetDict->GetInteger("F") & ANNOTFLAG_HIDDEN) {
return;
}
CPDF_Stream* pStream = FPDFDOC_GetAnnotAP(m_pWidgetDict, mode);
if (pStream == NULL) {
return;
}
CFX_FloatRect form_bbox = pStream->GetDict()->GetRect("BBox");
CFX_AffineMatrix form_matrix = pStream->GetDict()->GetMatrix("Matrix");
form_matrix.TransformRect(form_bbox);
CFX_FloatRect arect = m_pWidgetDict->GetRect("Rect");
CFX_AffineMatrix matrix;
matrix.MatchRect(arect, form_bbox);
matrix.Concat(*pMatrix);
CPDF_Form form(m_pField->m_pForm->m_pDocument,
m_pField->m_pForm->m_pFormDict->GetDict("DR"), pStream);
form.ParseContent(NULL, NULL, NULL, NULL);
CPDF_RenderContext context;
context.Create(pPage);
context.DrawObjectList(pDevice, &form, &matrix, pOptions);
}
FX_BOOL CPDF_RenderStatus::ProcessForm(CPDF_FormObject* pFormObj,
const CFX_AffineMatrix* pObj2Device) {
CPDF_Dictionary* pOC =
pFormObj->m_pForm->m_pFormDict->GetDict(FX_BSTRC("OC"));
if (pOC && m_Options.m_pOCContext &&
!m_Options.m_pOCContext->CheckOCGVisible(pOC)) {
return TRUE;
}
CFX_AffineMatrix matrix = pFormObj->m_FormMatrix;
matrix.Concat(*pObj2Device);
CPDF_Dictionary* pResources = NULL;
if (pFormObj->m_pForm && pFormObj->m_pForm->m_pFormDict) {
pResources = pFormObj->m_pForm->m_pFormDict->GetDict(FX_BSTRC("Resources"));
}
CPDF_RenderStatus status;
status.Initialize(m_pContext, m_pDevice, NULL, m_pStopObj, this, pFormObj,
&m_Options, m_Transparency, m_bDropObjects, pResources,
FALSE);
status.m_curBlend = m_curBlend;
m_pDevice->SaveState();
status.RenderObjectList(pFormObj->m_pForm, &matrix);
m_bStopped = status.m_bStopped;
m_pDevice->RestoreState();
return TRUE;
}
void CPDF_RenderStatus::DrawObjWithBackground(
const CPDF_PageObject* pObj,
const CFX_AffineMatrix* pObj2Device) {
FX_RECT rect;
if (GetObjectClippedRect(pObj, pObj2Device, FALSE, rect)) {
return;
}
int res = 300;
if (pObj->m_Type == PDFPAGE_IMAGE &&
m_pDevice->GetDeviceCaps(FXDC_DEVICE_CLASS) == FXDC_PRINTER) {
res = 0;
}
CPDF_ScaledRenderBuffer buffer;
if (!buffer.Initialize(m_pContext, m_pDevice, &rect, pObj, &m_Options, res)) {
return;
}
CFX_AffineMatrix matrix = *pObj2Device;
matrix.Concat(*buffer.GetMatrix());
GetScaledMatrix(matrix);
CPDF_Dictionary* pFormResource = NULL;
if (pObj->m_Type == PDFPAGE_FORM) {
CPDF_FormObject* pFormObj = (CPDF_FormObject*)pObj;
if (pFormObj->m_pForm && pFormObj->m_pForm->m_pFormDict) {
pFormResource =
pFormObj->m_pForm->m_pFormDict->GetDict(FX_BSTRC("Resources"));
}
}
CPDF_RenderStatus status;
status.Initialize(m_pContext, buffer.GetDevice(), buffer.GetMatrix(), NULL,
NULL, NULL, &m_Options, m_Transparency, m_bDropObjects,
pFormResource);
status.RenderSingleObject(pObj, &matrix);
buffer.OutputToDevice();
}
void CPDF_RenderStatus::DrawShadingPattern(CPDF_ShadingPattern* pattern,
CPDF_PageObject* pPageObj,
const CFX_AffineMatrix* pObj2Device,
FX_BOOL bStroke) {
if (!pattern->Load()) {
return;
}
m_pDevice->SaveState();
if (pPageObj->m_Type == PDFPAGE_PATH) {
if (!SelectClipPath((CPDF_PathObject*)pPageObj, pObj2Device, bStroke)) {
m_pDevice->RestoreState();
return;
}
} else if (pPageObj->m_Type == PDFPAGE_IMAGE) {
FX_RECT rect = pPageObj->GetBBox(pObj2Device);
m_pDevice->SetClip_Rect(&rect);
} else {
return;
}
FX_RECT rect;
if (GetObjectClippedRect(pPageObj, pObj2Device, FALSE, rect)) {
m_pDevice->RestoreState();
return;
}
CFX_AffineMatrix matrix = pattern->m_Pattern2Form;
matrix.Concat(*pObj2Device);
GetScaledMatrix(matrix);
int alpha = pPageObj->m_GeneralState.GetAlpha(bStroke);
DrawShading(pattern, &matrix, rect, alpha,
m_Options.m_ColorMode == RENDER_COLOR_ALPHA);
m_pDevice->RestoreState();
}
void CPDF_RenderStatus::DrawTextPathWithPattern(
const CPDF_TextObject* textobj,
const CFX_AffineMatrix* pObj2Device,
CPDF_Font* pFont,
FX_FLOAT font_size,
const CFX_AffineMatrix* pTextMatrix,
FX_BOOL bFill,
FX_BOOL bStroke) {
if (!bStroke) {
CPDF_PathObject path;
CPDF_TextObject* pCopy = new CPDF_TextObject;
pCopy->Copy(textobj);
path.m_bStroke = FALSE;
path.m_FillType = FXFILL_WINDING;
path.m_ClipPath.AppendTexts(&pCopy, 1);
path.m_ColorState = textobj->m_ColorState;
path.m_Path.New()->AppendRect(textobj->m_Left, textobj->m_Bottom,
textobj->m_Right, textobj->m_Top);
path.m_Left = textobj->m_Left;
path.m_Bottom = textobj->m_Bottom;
path.m_Right = textobj->m_Right;
path.m_Top = textobj->m_Top;
RenderSingleObject(&path, pObj2Device);
return;
}
CFX_FontCache* pCache;
if (pFont->m_pDocument) {
pCache = pFont->m_pDocument->GetRenderData()->GetFontCache();
} else {
pCache = CFX_GEModule::Get()->GetFontCache();
}
CFX_FaceCache* pFaceCache = pCache->GetCachedFace(&pFont->m_Font);
FX_FONTCACHE_DEFINE(pCache, &pFont->m_Font);
CPDF_CharPosList CharPosList;
CharPosList.Load(textobj->m_nChars, textobj->m_pCharCodes,
textobj->m_pCharPos, pFont, font_size);
for (FX_DWORD i = 0; i < CharPosList.m_nChars; i++) {
FXTEXT_CHARPOS& charpos = CharPosList.m_pCharPos[i];
const CFX_PathData* pPath = pFaceCache->LoadGlyphPath(
&pFont->m_Font, charpos.m_GlyphIndex, charpos.m_FontCharWidth);
if (pPath == NULL) {
continue;
}
CPDF_PathObject path;
path.m_GraphState = textobj->m_GraphState;
path.m_ColorState = textobj->m_ColorState;
CFX_AffineMatrix matrix;
if (charpos.m_bGlyphAdjust)
matrix.Set(charpos.m_AdjustMatrix[0], charpos.m_AdjustMatrix[1],
charpos.m_AdjustMatrix[2], charpos.m_AdjustMatrix[3], 0, 0);
matrix.Concat(font_size, 0, 0, font_size, charpos.m_OriginX,
charpos.m_OriginY);
path.m_Path.New()->Append(pPath, &matrix);
path.m_Matrix = *pTextMatrix;
path.m_bStroke = bStroke;
path.m_FillType = bFill ? FXFILL_WINDING : 0;
path.CalcBoundingBox();
ProcessPath(&path, pObj2Device);
}
}
void CPDF_ReflowedPage::GetDisplayMatrix(CFX_AffineMatrix& matrix, FX_INT32 xPos, FX_INT32 yPos, FX_INT32 xSize, FX_INT32 ySize, FX_INT32 iRotate, const CFX_AffineMatrix* pPageMatrix)
{
CFX_AffineMatrix display_matrix;
if(m_PageHeight == 0) {
matrix.Set(1, 0, 0, -1, 0, 0);
return;
}
FX_INT32 x0, y0, x1, y1, x2, y2;
iRotate %= 4;
switch (iRotate) {
case 0:
x0 = xPos;
y0 = yPos;
x1 = xPos;
y1 = yPos + ySize;
x2 = xPos + xSize;
y2 = yPos;
break;
case 3:
x0 = xPos;
y0 = ySize + yPos;
x1 = xPos + xSize;
y1 = yPos + ySize;
x2 = xPos;
y2 = yPos;
break;
case 2:
x0 = xSize + xPos;
y0 = ySize + yPos;
x1 = xSize + xPos ;
y1 = yPos;
x2 = xPos;
y2 = ySize + yPos;
break;
case 1:
x0 = xPos + xSize;
y0 = yPos;
x1 = xPos;
y1 = yPos;
x2 = xPos + xSize;
y2 = yPos + ySize;
break;
}
display_matrix.Set(FXSYS_Div((FX_FLOAT)(x2 - x0), m_PageWidth),
FXSYS_Div((FX_FLOAT)(y2 - y0), m_PageWidth),
FXSYS_Div((FX_FLOAT)(x1 - x0), m_PageHeight),
FXSYS_Div((FX_FLOAT)(y1 - y0), m_PageHeight),
(FX_FLOAT)(x0), (FX_FLOAT)(y0));
matrix.Set(1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f);
matrix.Concat(display_matrix);
return;
}
void CPDF_Page::GetDisplayMatrix(CFX_AffineMatrix& matrix, int xPos, int yPos,
int xSize, int ySize, int iRotate) const
{
if (m_PageWidth == 0 || m_PageHeight == 0) {
return;
}
CFX_AffineMatrix display_matrix;
int x0, y0, x1, y1, x2, y2;
iRotate %= 4;
switch (iRotate) {
case 0:
x0 = xPos;
y0 = yPos + ySize;
x1 = xPos;
y1 = yPos;
x2 = xPos + xSize;
y2 = yPos + ySize;
break;
case 1:
x0 = xPos;
y0 = yPos;
x1 = xPos + xSize;
y1 = yPos;
x2 = xPos;
y2 = yPos + ySize;
break;
case 2:
x0 = xPos + xSize;
y0 = yPos;
x1 = xPos + xSize;
y1 = yPos + ySize;
x2 = xPos;
y2 = yPos;
break;
case 3:
x0 = xPos + xSize;
y0 = yPos + ySize;
x1 = xPos;
y1 = yPos + ySize;
x2 = xPos + xSize;
y2 = yPos;
break;
}
display_matrix.Set(FXSYS_Div((FX_FLOAT)(x2 - x0), m_PageWidth),
FXSYS_Div((FX_FLOAT)(y2 - y0), m_PageWidth),
FXSYS_Div((FX_FLOAT)(x1 - x0), m_PageHeight),
FXSYS_Div((FX_FLOAT)(y1 - y0), m_PageHeight),
(FX_FLOAT)x0, (FX_FLOAT)y0);
matrix = m_PageMatrix;
matrix.Concat(display_matrix);
}
FX_BOOL CPDF_RenderStatus::ProcessShading(CPDF_ShadingObject* pShadingObj,
const CFX_AffineMatrix* pObj2Device) {
FX_RECT rect = pShadingObj->GetBBox(pObj2Device);
FX_RECT clip_box = m_pDevice->GetClipBox();
rect.Intersect(clip_box);
if (rect.IsEmpty()) {
return TRUE;
}
CFX_AffineMatrix matrix = pShadingObj->m_Matrix;
matrix.Concat(*pObj2Device);
DrawShading(pShadingObj->m_pShading, &matrix, rect,
pShadingObj->m_GeneralState.GetAlpha(FALSE),
m_Options.m_ColorMode == RENDER_COLOR_ALPHA);
return TRUE;
}
void CPDF_StreamContentParser::EndInlineImage()
{
CFX_AffineMatrix ImageMatrix;
ImageMatrix.Copy(m_pCurStates->m_CTM);
ImageMatrix.Concat(m_mtContentToUser);
m_LastImageData.CopyData(m_ImageSrcBuf.GetBuffer(), m_ImageSrcBuf.GetSize());
CPDF_Stream* pStream = CPDF_Stream::Create(m_ImageSrcBuf.GetBuffer(), m_ImageSrcBuf.GetSize(),
m_pLastCloneImageDict);
m_ImageSrcBuf.DetachBuffer();
m_pLastCloneImageDict = NULL;
CPDF_InlineImages* pImages = FX_NEW CPDF_InlineImages;
pImages->m_pStream = pStream;
SetGraphicStates(pImages, !m_pLastCloneImageDict->KeyExist(FX_BSTRC("ColorSpace")), FALSE, FALSE);
pImages->AddMatrix(ImageMatrix);
m_pObjectList->m_ObjectList.AddTail(pImages);
m_WordState = 0;
}
void CPDF_RenderContext::Render(CFX_RenderDevice* pDevice,
const CPDF_PageObject* pStopObj,
const CPDF_RenderOptions* pOptions,
const CFX_AffineMatrix* pLastMatrix) {
int count = m_ContentList.GetSize();
for (int j = 0; j < count; j++) {
pDevice->SaveState();
_PDF_RenderItem* pItem = m_ContentList.GetDataPtr(j);
if (pLastMatrix) {
CFX_AffineMatrix FinalMatrix = pItem->m_Matrix;
FinalMatrix.Concat(*pLastMatrix);
CPDF_RenderStatus status;
status.Initialize(this, pDevice, pLastMatrix, pStopObj, NULL, NULL,
pOptions, pItem->m_pObjectList->m_Transparency, FALSE,
NULL);
status.RenderObjectList(pItem->m_pObjectList, &FinalMatrix);
if (status.m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE) {
m_pPageCache->CacheOptimization(status.m_Options.m_dwLimitCacheSize);
}
if (status.m_bStopped) {
pDevice->RestoreState();
break;
}
} else {
CPDF_RenderStatus status;
status.Initialize(this, pDevice, NULL, pStopObj, NULL, NULL, pOptions,
pItem->m_pObjectList->m_Transparency, FALSE, NULL);
status.RenderObjectList(pItem->m_pObjectList, &pItem->m_Matrix);
if (status.m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE) {
m_pPageCache->CacheOptimization(status.m_Options.m_dwLimitCacheSize);
}
if (status.m_bStopped) {
pDevice->RestoreState();
break;
}
}
pDevice->RestoreState();
}
}
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;
}
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;
}
DLLEXPORT FPDF_BOOL STDCALL FPDFPage_TransFormWithClip(FPDF_PAGE page, FS_MATRIX* matrix, FS_RECTF* clipRect)
{
if(!page)
return FALSE;
CFX_ByteTextBuf textBuf;
textBuf<<"q ";
CFX_FloatRect rect(clipRect->left, clipRect->bottom, clipRect->right, clipRect->top);
rect.Normalize();
CFX_ByteString bsClipping;
bsClipping.Format("%f %f %f %f re W* n ", rect.left, rect.bottom, rect.Width(), rect.Height());
textBuf<<bsClipping;
CFX_ByteString bsMatix;
bsMatix.Format("%f %f %f %f %f %f cm ", matrix->a, matrix->b,matrix->c,matrix->d,matrix->e,matrix->f);
textBuf<<bsMatix;
CPDF_Page* pPage = (CPDF_Page*)page;
CPDF_Dictionary* pPageDic = pPage->m_pFormDict;
CPDF_Object* pContentObj = pPageDic->GetElement("Contents");
if(!pContentObj)
pContentObj = pPageDic->GetArray("Contents");
if(!pContentObj)
return FALSE;
CPDF_Dictionary* pDic = FX_NEW CPDF_Dictionary;
CPDF_Stream* pStream = FX_NEW CPDF_Stream(NULL,0, pDic);
pStream->SetData(textBuf.GetBuffer(), textBuf.GetSize(), FALSE, FALSE);
CPDF_Document* pDoc = pPage->m_pDocument;
if(!pDoc)
return FALSE;
pDoc->AddIndirectObject(pStream);
pDic = FX_NEW CPDF_Dictionary;
CPDF_Stream* pEndStream = FX_NEW CPDF_Stream(NULL,0, pDic);
pEndStream->SetData((FX_LPCBYTE)" Q", 2, FALSE, FALSE);
pDoc->AddIndirectObject(pEndStream);
CPDF_Array* pContentArray = NULL;
if (pContentObj && pContentObj->GetType() == PDFOBJ_ARRAY)
{
pContentArray = (CPDF_Array*)pContentObj;
CPDF_Reference* pRef = FX_NEW CPDF_Reference(pDoc, pStream->GetObjNum());
pContentArray->InsertAt(0, pRef);
pContentArray->AddReference(pDoc,pEndStream);
}
else if(pContentObj && pContentObj->GetType() == PDFOBJ_REFERENCE)
{
CPDF_Reference* pReference = (CPDF_Reference*)pContentObj;
CPDF_Object* pDirectObj = pReference->GetDirect();
if(pDirectObj != NULL)
{
if(pDirectObj->GetType() == PDFOBJ_ARRAY)
{
pContentArray = (CPDF_Array*)pDirectObj;
CPDF_Reference* pRef = FX_NEW CPDF_Reference(pDoc, pStream->GetObjNum());
pContentArray->InsertAt(0, pRef);
pContentArray->AddReference(pDoc,pEndStream);
}
else if(pDirectObj->GetType() == PDFOBJ_STREAM)
{
pContentArray = FX_NEW CPDF_Array();
pContentArray->AddReference(pDoc,pStream->GetObjNum());
pContentArray->AddReference(pDoc,pDirectObj->GetObjNum());
pContentArray->AddReference(pDoc, pEndStream);
pPageDic->SetAtReference("Contents", pDoc, pDoc->AddIndirectObject(pContentArray));
}
}
}
//Need to transform the patterns as well.
CPDF_Dictionary* pRes = pPageDic->GetDict(FX_BSTRC("Resources"));
if(pRes)
{
CPDF_Dictionary* pPattenDict = pRes->GetDict(FX_BSTRC("Pattern"));
if(pPattenDict)
{
FX_POSITION pos = pPattenDict->GetStartPos();
while(pos)
{
CPDF_Dictionary* pDict = NULL;
CFX_ByteString key;
CPDF_Object* pObj = pPattenDict->GetNextElement(pos, key);
if(pObj->GetType() == PDFOBJ_REFERENCE)
pObj = pObj->GetDirect();
if(pObj->GetType() == PDFOBJ_DICTIONARY)
{
pDict = (CPDF_Dictionary*)pObj;
}
else if(pObj->GetType() == PDFOBJ_STREAM)
{
pDict = ((CPDF_Stream*)pObj)->GetDict();
}
else
continue;
CFX_AffineMatrix m = pDict->GetMatrix(FX_BSTRC("Matrix"));
CFX_AffineMatrix t = *(CFX_AffineMatrix*)matrix;
m.Concat(t);
pDict->SetAtMatrix(FX_BSTRC("Matrix"), m);
}
}
}
return TRUE;
}
void CPDF_RenderStatus::DrawShading(CPDF_ShadingPattern* pPattern,
CFX_AffineMatrix* pMatrix,
FX_RECT& clip_rect,
int alpha,
FX_BOOL bAlphaMode) {
CPDF_Function** pFuncs = pPattern->m_pFunctions;
int nFuncs = pPattern->m_nFuncs;
CPDF_Dictionary* pDict = pPattern->m_pShadingObj->GetDict();
CPDF_ColorSpace* pColorSpace = pPattern->m_pCS;
if (pColorSpace == NULL) {
return;
}
FX_ARGB background = 0;
if (!pPattern->m_bShadingObj &&
pPattern->m_pShadingObj->GetDict()->KeyExist(FX_BSTRC("Background"))) {
CPDF_Array* pBackColor =
pPattern->m_pShadingObj->GetDict()->GetArray(FX_BSTRC("Background"));
if (pBackColor &&
pBackColor->GetCount() >= (FX_DWORD)pColorSpace->CountComponents()) {
CFX_FixedBufGrow<FX_FLOAT, 16> comps(pColorSpace->CountComponents());
for (int i = 0; i < pColorSpace->CountComponents(); i++) {
comps[i] = pBackColor->GetNumber(i);
}
FX_FLOAT R = 0.0f, G = 0.0f, B = 0.0f;
pColorSpace->GetRGB(comps, R, G, B);
background = ArgbEncode(255, (int32_t)(R * 255), (int32_t)(G * 255),
(int32_t)(B * 255));
}
}
if (pDict->KeyExist(FX_BSTRC("BBox"))) {
CFX_FloatRect rect = pDict->GetRect(FX_BSTRC("BBox"));
rect.Transform(pMatrix);
clip_rect.Intersect(rect.GetOutterRect());
}
CPDF_DeviceBuffer buffer;
buffer.Initialize(m_pContext, m_pDevice, &clip_rect, m_pCurObj, 150);
CFX_AffineMatrix FinalMatrix = *pMatrix;
FinalMatrix.Concat(*buffer.GetMatrix());
CFX_DIBitmap* pBitmap = buffer.GetBitmap();
if (pBitmap->GetBuffer() == NULL) {
return;
}
pBitmap->Clear(background);
int fill_mode = m_Options.m_Flags;
switch (pPattern->m_ShadingType) {
case kInvalidShading:
case kMaxShading:
return;
case kFunctionBasedShading:
DrawFuncShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs, pColorSpace,
alpha);
break;
case kAxialShading:
DrawAxialShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs,
pColorSpace, alpha);
break;
case kRadialShading:
DrawRadialShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs,
pColorSpace, alpha);
break;
case kFreeFormGouraudTriangleMeshShading: {
DrawFreeGouraudShading(pBitmap, &FinalMatrix,
ToStream(pPattern->m_pShadingObj), pFuncs, nFuncs,
pColorSpace, alpha);
} break;
case kLatticeFormGouraudTriangleMeshShading: {
DrawLatticeGouraudShading(pBitmap, &FinalMatrix,
ToStream(pPattern->m_pShadingObj), pFuncs,
nFuncs, pColorSpace, alpha);
} break;
case kCoonsPatchMeshShading:
case kTensorProductPatchMeshShading: {
DrawCoonPatchMeshes(
pPattern->m_ShadingType == kTensorProductPatchMeshShading, pBitmap,
&FinalMatrix, ToStream(pPattern->m_pShadingObj), pFuncs, nFuncs,
pColorSpace, fill_mode, alpha);
} break;
}
if (bAlphaMode) {
pBitmap->LoadChannel(FXDIB_Red, pBitmap, FXDIB_Alpha);
}
if (m_Options.m_ColorMode == RENDER_COLOR_GRAY) {
pBitmap->ConvertColorScale(m_Options.m_ForeColor, m_Options.m_BackColor);
}
buffer.OutputToDevice();
}
void CFX_PSRenderer::FindPSFontGlyph(CFX_FaceCache* pFaceCache, CFX_Font* pFont, const FXTEXT_CHARPOS& charpos,
int& ps_fontnum, int &ps_glyphindex)
{
for (int i = 0; i < (int)m_PSFontList.GetSize(); i ++) {
CPSFont* pPSFont = m_PSFontList[i];
for (int j = 0; j < pPSFont->m_nGlyphs; j ++)
if (pPSFont->m_Glyphs[j].m_pFont == pFont && pPSFont->m_Glyphs[j].m_GlyphIndex == charpos.m_GlyphIndex) {
if ((!pPSFont->m_Glyphs[j].m_bGlyphAdjust && !charpos.m_bGlyphAdjust) ||
(pPSFont->m_Glyphs[j].m_bGlyphAdjust && charpos.m_bGlyphAdjust &&
(FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[0] - charpos.m_AdjustMatrix[0]) < 0.01 &&
FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[1] - charpos.m_AdjustMatrix[1]) < 0.01 &&
FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[2] - charpos.m_AdjustMatrix[2]) < 0.01 &&
FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[3] - charpos.m_AdjustMatrix[3]) < 0.01))) {
ps_fontnum = i;
ps_glyphindex = j;
return;
}
}
}
if (m_PSFontList.GetSize() == 0 || m_PSFontList[m_PSFontList.GetSize() - 1]->m_nGlyphs == 256) {
CPSFont* pPSFont = new CPSFont;
pPSFont->m_nGlyphs = 0;
m_PSFontList.Add(pPSFont);
CFX_ByteTextBuf buf;
buf << FX_BSTRC("8 dict begin/FontType 3 def/FontMatrix[1 0 0 1 0 0]def\n"
"/FontBBox[0 0 0 0]def/Encoding 256 array def 0 1 255{Encoding exch/.notdef put}for\n"
"/CharProcs 1 dict def CharProcs begin/.notdef {} def end\n"
"/BuildGlyph{1 0 -10 -10 10 10 setcachedevice exch/CharProcs get exch 2 copy known not{pop/.notdef}if get exec}bind def\n"
"/BuildChar{1 index/Encoding get exch get 1 index/BuildGlyph get exec}bind def\n"
"currentdict end\n");
buf << FX_BSTRC("/X") << m_PSFontList.GetSize() - 1 << FX_BSTRC(" exch definefont pop\n");
m_pOutput->OutputPS((FX_LPCSTR)buf.GetBuffer(), buf.GetSize());
buf.Clear();
}
ps_fontnum = m_PSFontList.GetSize() - 1;
CPSFont* pPSFont = m_PSFontList[ps_fontnum];
ps_glyphindex = pPSFont->m_nGlyphs;
pPSFont->m_Glyphs[ps_glyphindex].m_GlyphIndex = charpos.m_GlyphIndex;
pPSFont->m_Glyphs[ps_glyphindex].m_pFont = pFont;
pPSFont->m_Glyphs[ps_glyphindex].m_bGlyphAdjust = charpos.m_bGlyphAdjust;
if (charpos.m_bGlyphAdjust) {
pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[0] = charpos.m_AdjustMatrix[0];
pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[1] = charpos.m_AdjustMatrix[1];
pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[2] = charpos.m_AdjustMatrix[2];
pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[3] = charpos.m_AdjustMatrix[3];
}
pPSFont->m_nGlyphs ++;
CFX_AffineMatrix matrix;
if (charpos.m_bGlyphAdjust)
matrix.Set(charpos.m_AdjustMatrix[0], charpos.m_AdjustMatrix[1],
charpos.m_AdjustMatrix[2], charpos.m_AdjustMatrix[3], 0, 0);
matrix.Concat(1.0f, 0, 0, 1.0f, 0, 0);
const CFX_PathData* pPathData = pFaceCache->LoadGlyphPath(pFont, charpos.m_GlyphIndex, charpos.m_FontCharWidth);
if (pPathData == NULL) {
return;
}
CFX_PathData TransformedPath(*pPathData);
if (charpos.m_bGlyphAdjust) {
TransformedPath.Transform(&matrix);
}
CFX_ByteTextBuf buf;
buf << FX_BSTRC("/X") << ps_fontnum << FX_BSTRC(" Ff/CharProcs get begin/")
<< ps_glyphindex << FX_BSTRC("{");
buf << FX_BSTRC("n ");
for (int p = 0; p < TransformedPath.GetPointCount(); p ++) {
FX_FLOAT x = TransformedPath.GetPointX(p), y = TransformedPath.GetPointY(p);
switch (TransformedPath.GetFlag(p) & FXPT_TYPE) {
case FXPT_MOVETO: {
buf << x << FX_BSTRC(" ") << y << FX_BSTRC(" m\n");
break;
}
case FXPT_LINETO: {
buf << x << FX_BSTRC(" ") << y << FX_BSTRC(" l\n");
break;
}
case FXPT_BEZIERTO: {
buf << x << FX_BSTRC(" ") << y << FX_BSTRC(" ")
<< TransformedPath.GetPointX(p + 1) << FX_BSTRC(" ")
<< TransformedPath.GetPointY(p + 1) << FX_BSTRC(" ")
<< TransformedPath.GetPointX(p + 2) << FX_BSTRC(" ")
<< TransformedPath.GetPointY(p + 2) << FX_BSTRC(" c\n");
p += 2;
break;
}
}
}
buf << FX_BSTRC("f");
buf << FX_BSTRC("}bind def end\n");
buf << FX_BSTRC("/X") << ps_fontnum << FX_BSTRC(" Ff/Encoding get ") << ps_glyphindex
<< FX_BSTRC("/") << ps_glyphindex << FX_BSTRC(" put\n");
m_pOutput->OutputPS((FX_LPCSTR)buf.GetBuffer(), buf.GetSize());
}