pdfviewer: add macros to automatically check number and type of parameters
Review URL: https://codereview.chromium.org/23038021 git-svn-id: http://skia.googlecode.com/svn/trunk@10872 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
edisonn@google.com
parent
37c18e4e38
commit
bd2f30132e
@ -71,6 +71,116 @@ __SK_FORCE_IMAGE_DECODER_LINKING;
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* - deal with specific type in spec directly, add all dictionary types to known types
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*/
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#define EXPECT_OPERANDS(pdfContext,n) \
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bool __failed = pdfContext->fObjectStack.count() < n; \
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SkDEBUGCODE(int __cnt = n);
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#define POP_OBJ(pdfContext,name) \
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SkDEBUGCODE(__cnt--); \
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SkASSERT(__cnt >= 0); \
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SkPdfNativeObject* name = NULL; \
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__failed = __failed || pdfContext->fObjectStack.count() == 0; \
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if (pdfContext->fObjectStack.count() > 0) { \
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name = pdfContext->fObjectStack.top(); \
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pdfContext->fObjectStack.pop(); \
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}
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#define POP_NUMBER(pdfContext,name) \
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SkDEBUGCODE(__cnt--); \
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SkASSERT(__cnt >= 0); \
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double name = 0; \
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__failed = __failed || pdfContext->fObjectStack.count() == 0; \
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if (pdfContext->fObjectStack.count() > 0) { \
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SkPdfNativeObject* tmp = pdfContext->fObjectStack.top(); \
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pdfContext->fObjectStack.pop(); \
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if (!tmp || !tmp->isNumber()) { \
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__failed = true;\
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} else { \
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name = tmp->numberValue(); \
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} \
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}
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#define POP_INTEGER(pdfContext,name) \
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SkDEBUGCODE(__cnt--); \
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SkASSERT(__cnt >= 0); \
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int64_t name = 0; \
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__failed = __failed || pdfContext->fObjectStack.count() == 0; \
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if (pdfContext->fObjectStack.count() > 0) { \
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SkPdfNativeObject* tmp = pdfContext->fObjectStack.top(); \
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pdfContext->fObjectStack.pop(); \
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if (!tmp || !tmp->isInteger()) { \
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__failed = true;\
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} else { \
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name = tmp->intValue(); \
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} \
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}
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#define POP_NUMBER_INTO(pdfContext,var) \
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SkDEBUGCODE(__cnt--); \
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SkASSERT(__cnt >= 0); \
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__failed = __failed || pdfContext->fObjectStack.count() == 0; \
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if (pdfContext->fObjectStack.count() > 0) { \
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SkPdfNativeObject* tmp = pdfContext->fObjectStack.top(); \
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pdfContext->fObjectStack.pop(); \
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if (!tmp || !tmp->isNumber()) { \
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__failed = true;\
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} else { \
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var = tmp->numberValue(); \
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} \
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}
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#define POP_NAME(pdfContext,name) \
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SkDEBUGCODE(__cnt--); \
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SkASSERT(__cnt >= 0); \
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SkPdfNativeObject* name = NULL; \
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__failed = __failed || pdfContext->fObjectStack.count() == 0; \
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if (pdfContext->fObjectStack.count() > 0) { \
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SkPdfNativeObject* tmp = pdfContext->fObjectStack.top(); \
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pdfContext->fObjectStack.pop(); \
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if (!tmp || !tmp->isName()) { \
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__failed = true;\
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} else { \
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name = tmp; \
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} \
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}
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#define POP_STRING(pdfContext,name) \
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SkDEBUGCODE(__cnt--); \
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SkASSERT(__cnt >= 0); \
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SkPdfNativeObject* name = NULL; \
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__failed = __failed || pdfContext->fObjectStack.count() == 0; \
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if (pdfContext->fObjectStack.count() > 0) { \
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SkPdfNativeObject* tmp = pdfContext->fObjectStack.top(); \
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pdfContext->fObjectStack.pop(); \
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if (!tmp || !tmp->isAnyString()) { \
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__failed = true;\
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} else { \
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name = tmp; \
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} \
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}
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#define POP_ARRAY(pdfContext,name) \
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SkDEBUGCODE(__cnt--); \
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SkASSERT(__cnt >= 0); \
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SkPdfArray* name = NULL; \
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__failed = __failed || pdfContext->fObjectStack.count() == 0; \
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if (pdfContext->fObjectStack.count() > 0) { \
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SkPdfNativeObject* tmp = pdfContext->fObjectStack.top(); \
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pdfContext->fObjectStack.pop(); \
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if (!tmp || !tmp->isArray()) { \
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__failed = true;\
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} else { \
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name = (SkPdfArray*)tmp; \
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} \
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}
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// TODO(edisonn): ability to turn on asserts for known good files
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// log error - add name of function? location in file?
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#define CHECK_PARAMETERS() \
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SkASSERT(__cnt == 0); \
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if (__failed) return kIgnoreError_SkPdfResult;
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NotOwnedString strings_DeviceRGB;
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NotOwnedString strings_DeviceCMYK;
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@ -971,6 +1081,8 @@ static SkPdfResult doPage(SkPdfContext* pdfContext, SkCanvas* canvas, SkPdfPageO
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}
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SkPdfResult PdfOp_q(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
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// TODO(edisonn): create a new stack of parameters, so once we start a q,
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// it is not possible to see under the previous q?
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pdfContext->fStateStack.push(pdfContext->fGraphicsState);
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canvas->save();
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return kOK_SkPdfResult;
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@ -984,11 +1096,15 @@ SkPdfResult PdfOp_Q(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper**
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}
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static SkPdfResult PdfOp_cm(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
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double array[6];
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for (int i = 0 ; i < 6 ; i++) {
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array[5 - i] = pdfContext->fObjectStack.top()->numberValue();
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pdfContext->fObjectStack.pop();
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}
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EXPECT_OPERANDS(pdfContext, 6);
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POP_NUMBER(pdfContext, f);
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POP_NUMBER(pdfContext, e);
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POP_NUMBER(pdfContext, d);
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POP_NUMBER(pdfContext, c);
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POP_NUMBER(pdfContext, b);
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POP_NUMBER(pdfContext, a);
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CHECK_PARAMETERS();
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double array[6] = {a, b, c, d, e, f};
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// a b
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// c d
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@ -1021,7 +1137,9 @@ static SkPdfResult PdfOp_cm(SkPdfContext* pdfContext, SkCanvas* canvas, PdfToken
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//, to leading, which is a number expressed in unscaled text
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//space units. Text leading is used only by the T*, ', and " operators. Initial value: 0.
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static SkPdfResult PdfOp_TL(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
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double ty = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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EXPECT_OPERANDS(pdfContext, 1)
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POP_NUMBER(pdfContext, ty);
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CHECK_PARAMETERS();
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pdfContext->fGraphicsState.fTextLeading = ty;
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@ -1029,11 +1147,10 @@ static SkPdfResult PdfOp_TL(SkPdfContext* pdfContext, SkCanvas* canvas, PdfToken
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}
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static SkPdfResult PdfOp_Td(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
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#ifdef PDF_TRACE
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printf("stack size = %i\n", (int)pdfContext->fObjectStack.size());
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#endif
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double ty = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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double tx = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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EXPECT_OPERANDS(pdfContext, 2);
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POP_NUMBER(pdfContext, ty);
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POP_NUMBER(pdfContext, tx);
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CHECK_PARAMETERS();
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double array[6] = {1, 0, 0, 1, tx, -ty};
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SkMatrix matrix = SkMatrixFromPdfMatrix(array);
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@ -1045,8 +1162,10 @@ static SkPdfResult PdfOp_Td(SkPdfContext* pdfContext, SkCanvas* canvas, PdfToken
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}
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static SkPdfResult PdfOp_TD(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
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double ty = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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double tx = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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EXPECT_OPERANDS(pdfContext, 2)
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POP_NUMBER(pdfContext, ty);
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POP_NUMBER(pdfContext, tx);
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CHECK_PARAMETERS();
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// TODO(edisonn): Create factory methods or constructors so native is hidden
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SkPdfReal* _ty = pdfContext->fPdfDoc->createReal(-ty);
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@ -1069,12 +1188,14 @@ static SkPdfResult PdfOp_TD(SkPdfContext* pdfContext, SkCanvas* canvas, PdfToken
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}
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static SkPdfResult PdfOp_Tm(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
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double f = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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double e = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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double d = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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double c = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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double b = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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double a = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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EXPECT_OPERANDS(pdfContext, 6);
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POP_NUMBER(pdfContext, f);
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POP_NUMBER(pdfContext, e);
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POP_NUMBER(pdfContext, d);
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POP_NUMBER(pdfContext, c);
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POP_NUMBER(pdfContext, b);
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POP_NUMBER(pdfContext, a);
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CHECK_PARAMETERS();
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double array[6];
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array[0] = a;
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@ -1116,8 +1237,13 @@ static SkPdfResult PdfOp_m(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenL
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pdfContext->fGraphicsState.fPathClosed = false;
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}
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pdfContext->fGraphicsState.fCurPosY = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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pdfContext->fGraphicsState.fCurPosX = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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EXPECT_OPERANDS(pdfContext, 2);
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POP_NUMBER(pdfContext, y);
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POP_NUMBER(pdfContext, x);
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CHECK_PARAMETERS();
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pdfContext->fGraphicsState.fCurPosY = y;
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pdfContext->fGraphicsState.fCurPosX = x;
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pdfContext->fGraphicsState.fPath.moveTo(SkDoubleToScalar(pdfContext->fGraphicsState.fCurPosX),
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SkDoubleToScalar(pdfContext->fGraphicsState.fCurPosY));
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@ -1131,8 +1257,13 @@ static SkPdfResult PdfOp_l(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenL
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pdfContext->fGraphicsState.fPathClosed = false;
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}
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pdfContext->fGraphicsState.fCurPosY = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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pdfContext->fGraphicsState.fCurPosX = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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EXPECT_OPERANDS(pdfContext, 2);
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POP_NUMBER(pdfContext, y);
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POP_NUMBER(pdfContext, x);
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CHECK_PARAMETERS();
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pdfContext->fGraphicsState.fCurPosY = y;
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pdfContext->fGraphicsState.fCurPosX = x;
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pdfContext->fGraphicsState.fPath.lineTo(SkDoubleToScalar(pdfContext->fGraphicsState.fCurPosX),
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SkDoubleToScalar(pdfContext->fGraphicsState.fCurPosY));
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@ -1146,12 +1277,14 @@ static SkPdfResult PdfOp_c(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenL
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pdfContext->fGraphicsState.fPathClosed = false;
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}
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double y3 = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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double x3 = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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double y2 = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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double x2 = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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double y1 = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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double x1 = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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EXPECT_OPERANDS(pdfContext, 6);
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POP_NUMBER(pdfContext, y3);
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POP_NUMBER(pdfContext, x3);
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POP_NUMBER(pdfContext, y2);
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POP_NUMBER(pdfContext, x2);
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POP_NUMBER(pdfContext, y1);
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POP_NUMBER(pdfContext, x1);
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CHECK_PARAMETERS();
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pdfContext->fGraphicsState.fPath.cubicTo(SkDoubleToScalar(x1), SkDoubleToScalar(y1),
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SkDoubleToScalar(x2), SkDoubleToScalar(y2),
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@ -1169,10 +1302,13 @@ static SkPdfResult PdfOp_v(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenL
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pdfContext->fGraphicsState.fPathClosed = false;
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}
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double y3 = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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double x3 = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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double y2 = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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double x2 = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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EXPECT_OPERANDS(pdfContext, 4);
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POP_NUMBER(pdfContext, y3);
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POP_NUMBER(pdfContext, x3);
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POP_NUMBER(pdfContext, y2);
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POP_NUMBER(pdfContext, x2);
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CHECK_PARAMETERS();
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double y1 = pdfContext->fGraphicsState.fCurPosY;
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double x1 = pdfContext->fGraphicsState.fCurPosX;
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@ -1192,12 +1328,15 @@ static SkPdfResult PdfOp_y(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenL
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pdfContext->fGraphicsState.fPathClosed = false;
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}
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double y3 = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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double x3 = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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EXPECT_OPERANDS(pdfContext, 4);
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POP_NUMBER(pdfContext, y3);
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POP_NUMBER(pdfContext, x3);
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POP_NUMBER(pdfContext, y1);
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POP_NUMBER(pdfContext, x1);
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CHECK_PARAMETERS();
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double y2 = pdfContext->fGraphicsState.fCurPosY;
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double x2 = pdfContext->fGraphicsState.fCurPosX;
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double y1 = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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double x1 = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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pdfContext->fGraphicsState.fPath.cubicTo(SkDoubleToScalar(x1), SkDoubleToScalar(y1),
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SkDoubleToScalar(x2), SkDoubleToScalar(y2),
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@ -1215,10 +1354,12 @@ static SkPdfResult PdfOp_re(SkPdfContext* pdfContext, SkCanvas* canvas, PdfToken
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pdfContext->fGraphicsState.fPathClosed = false;
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}
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double height = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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double width = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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double y = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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double x = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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EXPECT_OPERANDS(pdfContext, 4);
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POP_NUMBER(pdfContext, height);
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POP_NUMBER(pdfContext, width);
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POP_NUMBER(pdfContext, y);
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POP_NUMBER(pdfContext, x);
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CHECK_PARAMETERS();
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pdfContext->fGraphicsState.fPath.addRect(SkDoubleToScalar(x), SkDoubleToScalar(y),
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SkDoubleToScalar(x + width), SkDoubleToScalar(y + height));
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@ -1469,21 +1610,25 @@ static SkPdfResult skpdfGraphicsStateApplyFontCore(SkPdfContext* pdfContext, con
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//a number representing a scale factor. There is no initial value for either font or
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//size; they must be specified explicitly using Tf before any text is shown.
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static SkPdfResult PdfOp_Tf(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
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double fontSize = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
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SkPdfNativeObject* fontName = pdfContext->fObjectStack.top(); pdfContext->fObjectStack.pop();
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EXPECT_OPERANDS(pdfContext, 2);
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POP_NUMBER(pdfContext, fontSize);
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POP_NAME(pdfContext, fontName);
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CHECK_PARAMETERS();
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return skpdfGraphicsStateApplyFontCore(pdfContext, fontName, fontSize);
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}
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static SkPdfResult PdfOp_Tj(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
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EXPECT_OPERANDS(pdfContext, 1);
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POP_STRING(pdfContext, str);
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CHECK_PARAMETERS();
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if (!pdfContext->fGraphicsState.fTextBlock) {
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// TODO(edisonn): try to recover and draw it any way?
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return kIgnoreError_SkPdfResult;
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}
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SkPdfResult ret = DrawText(pdfContext,
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pdfContext->fObjectStack.top(),
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canvas);
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pdfContext->fObjectStack.pop();
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SkPdfResult ret = DrawText(pdfContext, str, canvas);
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return ret;
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}
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@ -1505,9 +1650,11 @@ static SkPdfResult PdfOp_doublequote(SkPdfContext* pdfContext, SkCanvas* canvas,
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return kIgnoreError_SkPdfResult;
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}
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SkPdfNativeObject* str = pdfContext->fObjectStack.top(); pdfContext->fObjectStack.pop();
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SkPdfNativeObject* ac = pdfContext->fObjectStack.top(); pdfContext->fObjectStack.pop();
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SkPdfNativeObject* aw = pdfContext->fObjectStack.top(); pdfContext->fObjectStack.pop();
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EXPECT_OPERANDS(pdfContext, 3);
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POP_OBJ(pdfContext, str);
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POP_OBJ(pdfContext, ac);
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POP_OBJ(pdfContext, aw);
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CHECK_PARAMETERS();
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pdfContext->fObjectStack.push(aw);
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PdfOp_Tw(pdfContext, canvas, looper);
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@ -1522,14 +1669,15 @@ static SkPdfResult PdfOp_doublequote(SkPdfContext* pdfContext, SkCanvas* canvas,
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}
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static SkPdfResult PdfOp_TJ(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
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EXPECT_OPERANDS(pdfContext, 1);
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POP_ARRAY(pdfContext, array);
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CHECK_PARAMETERS();
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if (!pdfContext->fGraphicsState.fTextBlock) {
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// TODO(edisonn): try to recover and draw it any way?
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return kIgnoreError_SkPdfResult;
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}
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SkPdfArray* array = (SkPdfArray*)pdfContext->fObjectStack.top();
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pdfContext->fObjectStack.pop();
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if (!array->isArray()) {
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return kIgnoreError_SkPdfResult;
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}
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@ -1538,9 +1686,7 @@ static SkPdfResult PdfOp_TJ(SkPdfContext* pdfContext, SkCanvas* canvas, PdfToken
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{
|
||||
if( (*array)[i]->isAnyString()) {
|
||||
SkPdfNativeObject* obj = (*array)[i];
|
||||
DrawText(pdfContext,
|
||||
obj,
|
||||
canvas);
|
||||
DrawText(pdfContext, obj, canvas);
|
||||
} else if ((*array)[i]->isNumber()) {
|
||||
double dx = (*array)[i]->numberValue();
|
||||
SkMatrix matrix;
|
||||
@ -1562,7 +1708,9 @@ static SkPdfResult PdfOp_TJ(SkPdfContext* pdfContext, SkCanvas* canvas, PdfToken
|
||||
}
|
||||
|
||||
static SkPdfResult PdfOp_CS_cs(SkPdfContext* pdfContext, SkCanvas* canvas, SkPdfColorOperator* colorOperator) {
|
||||
SkPdfNativeObject* name = pdfContext->fObjectStack.top(); pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 1);
|
||||
POP_NAME(pdfContext, name);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
//Next, get the ColorSpace Dictionary from the Resource Dictionary:
|
||||
SkPdfDictionary* colorSpaceResource = pdfContext->fGraphicsState.fResources->ColorSpace(pdfContext->fPdfDoc);
|
||||
@ -1630,13 +1778,16 @@ static SkPdfResult PdfOp_SC_sc(SkPdfContext* pdfContext, SkCanvas* canvas, SkPdf
|
||||
printf("color space = %s, N = %i\n", colorOperator->fColorSpace.fBuffer, n);
|
||||
#endif
|
||||
|
||||
EXPECT_OPERANDS(pdfContext, n);
|
||||
|
||||
for (int i = n - 1; i >= 0 ; i--) {
|
||||
if (doubles) {
|
||||
c[i] = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
|
||||
POP_NUMBER_INTO(pdfContext, c[i]);
|
||||
// } else {
|
||||
// v[i] = pdfContext->fObjectStack.top()->intValue(); pdfContext->fObjectStack.pop();
|
||||
}
|
||||
}
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
// TODO(edisonn): Now, set that color. Only DeviceRGB supported.
|
||||
// TODO(edisonn): do possible field values to enum at parsing time!
|
||||
@ -1656,7 +1807,7 @@ static SkPdfResult PdfOp_sc(SkPdfContext* pdfContext, SkCanvas* canvas, PdfToken
|
||||
}
|
||||
|
||||
static SkPdfResult PdfOp_SCN_scn(SkPdfContext* pdfContext, SkCanvas* canvas, SkPdfColorOperator* colorOperator) {
|
||||
if (pdfContext->fObjectStack.top()->isName()) {
|
||||
if (pdfContext->fObjectStack.count() > 0 && pdfContext->fObjectStack.top()->isName()) {
|
||||
SkPdfNativeObject* name = pdfContext->fObjectStack.top(); pdfContext->fObjectStack.pop();
|
||||
|
||||
//Next, get the ExtGState Dictionary from the Resource Dictionary:
|
||||
@ -1687,8 +1838,14 @@ static SkPdfResult PdfOp_scn(SkPdfContext* pdfContext, SkCanvas* canvas, PdfToke
|
||||
}
|
||||
|
||||
static SkPdfResult PdfOp_G_g(SkPdfContext* pdfContext, SkCanvas* canvas, SkPdfColorOperator* colorOperator) {
|
||||
/*double gray = */pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
|
||||
return kNYI_SkPdfResult;
|
||||
EXPECT_OPERANDS(pdfContext, 1);
|
||||
POP_NUMBER(pdfContext, gray);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
colorOperator->fColorSpace = strings_DeviceRGB; // TODO(edisonn): HACK - it should be device gray, but not suported right now
|
||||
colorOperator->setRGBColor(SkColorSetRGB((U8CPU)(255*gray), (U8CPU)(255*gray), (U8CPU)(255*gray)));
|
||||
|
||||
return kPartial_SkPdfResult;
|
||||
}
|
||||
|
||||
static SkPdfResult PdfOp_G(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
@ -1700,9 +1857,11 @@ static SkPdfResult PdfOp_g(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenL
|
||||
}
|
||||
|
||||
static SkPdfResult PdfOp_RG_rg(SkPdfContext* pdfContext, SkCanvas* canvas, SkPdfColorOperator* colorOperator) {
|
||||
double b = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
|
||||
double g = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
|
||||
double r = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 3);
|
||||
POP_NUMBER(pdfContext, b);
|
||||
POP_NUMBER(pdfContext, g);
|
||||
POP_NUMBER(pdfContext, r);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
colorOperator->fColorSpace = strings_DeviceRGB;
|
||||
colorOperator->setRGBColor(SkColorSetRGB((U8CPU)(255*r), (U8CPU)(255*g), (U8CPU)(255*b)));
|
||||
@ -1719,12 +1878,19 @@ static SkPdfResult PdfOp_rg(SkPdfContext* pdfContext, SkCanvas* canvas, PdfToken
|
||||
|
||||
static SkPdfResult PdfOp_K_k(SkPdfContext* pdfContext, SkCanvas* canvas, SkPdfColorOperator* colorOperator) {
|
||||
// TODO(edisonn): spec has some rules about overprint, implement them.
|
||||
/*double k = */pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
|
||||
/*double y = */pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
|
||||
/*double m = */pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
|
||||
/*double c = */pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 4);
|
||||
POP_NUMBER(pdfContext, k);
|
||||
POP_NUMBER(pdfContext, y);
|
||||
POP_NUMBER(pdfContext, m);
|
||||
POP_NUMBER(pdfContext, c);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
colorOperator->fColorSpace = strings_DeviceCMYK;
|
||||
// TODO(edisonn): silly way to remove compiler warning
|
||||
if (k + y + m + c == 0) {
|
||||
return kNYI_SkPdfResult;
|
||||
}
|
||||
|
||||
//colorOperator->fColorSpace = strings_DeviceCMYK;
|
||||
// TODO(edisonn): Set color.
|
||||
return kNYI_SkPdfResult;
|
||||
}
|
||||
@ -1887,41 +2053,50 @@ static void skpdfGraphicsStateApplyFont(SkPdfContext* pdfContext, SkPdfArray* fo
|
||||
|
||||
//lineWidth w Set the line width in the graphics state (see “Line Width” on page 152).
|
||||
static SkPdfResult PdfOp_w(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
double lw = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 1);
|
||||
POP_NUMBER(pdfContext, lw);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
return skpdfGraphicsStateApplyLW(pdfContext, lw);
|
||||
}
|
||||
|
||||
//lineCap J Set the line cap style in the graphics state (see “Line Cap Style” on page 153).
|
||||
static SkPdfResult PdfOp_J(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
// TODO(edisonn): round/ceil to int?
|
||||
int lc = (int)pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
|
||||
return skpdfGraphicsStateApplyLC(pdfContext, lc);
|
||||
EXPECT_OPERANDS(pdfContext, 1);
|
||||
POP_NUMBER(pdfContext, lc);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
return skpdfGraphicsStateApplyLC(pdfContext, (int)lc);
|
||||
}
|
||||
|
||||
//lineJoin j Set the line join style in the graphics state (see “Line Join Style” on page 153).
|
||||
static SkPdfResult PdfOp_j(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
// TODO(edisonn): round/ceil to int?
|
||||
int lj = (int)pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
|
||||
return skpdfGraphicsStateApplyLJ(pdfContext, lj);
|
||||
EXPECT_OPERANDS(pdfContext, 1);
|
||||
POP_NUMBER(pdfContext, lj);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
return skpdfGraphicsStateApplyLJ(pdfContext, (int)lj);
|
||||
}
|
||||
|
||||
//miterLimit M Set the miter limit in the graphics state (see “Miter Limit” on page 153).
|
||||
static SkPdfResult PdfOp_M(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
double ml = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 1);
|
||||
POP_NUMBER(pdfContext, ml);
|
||||
CHECK_PARAMETERS();
|
||||
return skpdfGraphicsStateApplyML(pdfContext, ml);
|
||||
}
|
||||
|
||||
//dashArray dashPhase d Set the line dash pattern in the graphics state (see “Line Dash Pattern” on
|
||||
//page 155).
|
||||
static SkPdfResult PdfOp_d(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
SkPdfNativeObject* phase = pdfContext->fObjectStack.top(); pdfContext->fObjectStack.pop();
|
||||
SkPdfNativeObject* array = pdfContext->fObjectStack.top(); pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 2);
|
||||
POP_OBJ(pdfContext, phase);
|
||||
POP_ARRAY(pdfContext, array);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
if (!array->isArray()) {
|
||||
return kIgnoreError_SkPdfResult;
|
||||
}
|
||||
|
||||
return skpdfGraphicsStateApplyD(pdfContext, (SkPdfArray*)array, phase);
|
||||
return skpdfGraphicsStateApplyD(pdfContext, array, phase);
|
||||
}
|
||||
|
||||
//intent ri (PDF 1.1) Set the color rendering intent in the graphics state (see “Rendering Intents” on page 197).
|
||||
@ -1935,7 +2110,13 @@ static SkPdfResult PdfOp_ri(SkPdfContext* pdfContext, SkCanvas* canvas, PdfToken
|
||||
//Tolerance”). flatness is a number in the range 0 to 100; a value of 0 speci-
|
||||
//fies the output device’s default flatness tolerance.
|
||||
static SkPdfResult PdfOp_i(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 1);
|
||||
POP_NUMBER(pdfContext, flatness);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
if (flatness < 0 || flatness > 100) {
|
||||
return kError_SkPdfResult;
|
||||
}
|
||||
|
||||
return kNYI_SkPdfResult;
|
||||
}
|
||||
@ -2065,7 +2246,9 @@ static void skpdfGraphicsStateApplyAIS(SkPdfContext* pdfContext, bool alphaSourc
|
||||
//dictName gs (PDF 1.2) Set the specified parameters in the graphics state. dictName is
|
||||
//the name of a graphics state parameter dictionary in the ExtGState subdictionary of the current resource dictionary (see the next section).
|
||||
static SkPdfResult PdfOp_gs(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
SkPdfNativeObject* name = pdfContext->fObjectStack.top(); pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 1);
|
||||
POP_NAME(pdfContext, name);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
#ifdef PDF_TRACE
|
||||
SkString str;
|
||||
@ -2156,7 +2339,10 @@ static SkPdfResult PdfOp_gs(SkPdfContext* pdfContext, SkCanvas* canvas, PdfToken
|
||||
//, to charSpace, which is a number expressed in unscaled text space units. Character spacing is used by the Tj, TJ, and ' operators.
|
||||
//Initial value: 0.
|
||||
SkPdfResult PdfOp_Tc(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
double charSpace = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 1);
|
||||
POP_NUMBER(pdfContext, charSpace);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
pdfContext->fGraphicsState.fCharSpace = charSpace;
|
||||
|
||||
return kOK_SkPdfResult;
|
||||
@ -2168,7 +2354,10 @@ SkPdfResult PdfOp_Tc(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper*
|
||||
//text space units. Word spacing is used by the Tj, TJ, and ' operators. Initial
|
||||
//value: 0.
|
||||
SkPdfResult PdfOp_Tw(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
double wordSpace = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 1);
|
||||
POP_NUMBER(pdfContext, wordSpace);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
pdfContext->fGraphicsState.fWordSpace = wordSpace;
|
||||
|
||||
return kOK_SkPdfResult;
|
||||
@ -2178,7 +2367,13 @@ SkPdfResult PdfOp_Tw(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper*
|
||||
//, to (scale ˜ 100). scale is a number specifying the
|
||||
//percentage of the normal width. Initial value: 100 (normal width).
|
||||
static SkPdfResult PdfOp_Tz(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
/*double scale = */pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 1);
|
||||
POP_NUMBER(pdfContext, scale);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
if (scale < 0) {
|
||||
return kError_SkPdfResult;
|
||||
}
|
||||
|
||||
return kNYI_SkPdfResult;
|
||||
}
|
||||
@ -2186,48 +2381,80 @@ static SkPdfResult PdfOp_Tz(SkPdfContext* pdfContext, SkCanvas* canvas, PdfToken
|
||||
//render Tr Set the text rendering mode, T
|
||||
//mode, to render, which is an integer. Initial value: 0.
|
||||
static SkPdfResult PdfOp_Tr(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
/*double render = */pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 1);
|
||||
POP_INTEGER(pdfContext, mode);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
if (mode < 0) { // TODO(edisonn): function/enums with supported modes
|
||||
return kError_SkPdfResult;
|
||||
}
|
||||
|
||||
return kNYI_SkPdfResult;
|
||||
}
|
||||
//rise Ts Set the text rise, Trise, to rise, which is a number expressed in unscaled text space
|
||||
//units. Initial value: 0.
|
||||
static SkPdfResult PdfOp_Ts(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
/*double rise = */pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 1);
|
||||
POP_NUMBER(pdfContext, rise);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
if (rise < 0) {
|
||||
return kNYI_SkPdfResult;
|
||||
}
|
||||
|
||||
return kNYI_SkPdfResult;
|
||||
}
|
||||
|
||||
//wx wy d0
|
||||
static SkPdfResult PdfOp_d0(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
pdfContext->fObjectStack.pop();
|
||||
pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 2);
|
||||
POP_NUMBER(pdfContext, wy);
|
||||
POP_NUMBER(pdfContext, wx);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
if (wx < 0 || wy < 0) {
|
||||
return kError_SkPdfResult;
|
||||
}
|
||||
|
||||
return kNYI_SkPdfResult;
|
||||
}
|
||||
|
||||
//wx wy llx lly urx ury d1
|
||||
static SkPdfResult PdfOp_d1(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
pdfContext->fObjectStack.pop();
|
||||
pdfContext->fObjectStack.pop();
|
||||
pdfContext->fObjectStack.pop();
|
||||
pdfContext->fObjectStack.pop();
|
||||
pdfContext->fObjectStack.pop();
|
||||
pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 6);
|
||||
POP_NUMBER(pdfContext, ury);
|
||||
POP_NUMBER(pdfContext, urx);
|
||||
POP_NUMBER(pdfContext, lly);
|
||||
POP_NUMBER(pdfContext, llx);
|
||||
POP_NUMBER(pdfContext, wy);
|
||||
POP_NUMBER(pdfContext, wx);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
if (wx + wy + llx + lly + urx + ury) {
|
||||
return kNYI_SkPdfResult;
|
||||
}
|
||||
|
||||
return kNYI_SkPdfResult;
|
||||
}
|
||||
|
||||
//name sh
|
||||
static SkPdfResult PdfOp_sh(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 1);
|
||||
POP_NAME(pdfContext, name);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
if (name == NULL) {
|
||||
return kError_SkPdfResult;
|
||||
}
|
||||
|
||||
return kNYI_SkPdfResult;
|
||||
}
|
||||
|
||||
//name Do
|
||||
static SkPdfResult PdfOp_Do(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
SkPdfNativeObject* name = pdfContext->fObjectStack.top(); pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 1);
|
||||
POP_NAME(pdfContext, name);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
SkPdfDictionary* xObject = pdfContext->fGraphicsState.fResources->XObject(pdfContext->fPdfDoc);
|
||||
|
||||
@ -2252,7 +2479,13 @@ static SkPdfResult PdfOp_Do(SkPdfContext* pdfContext, SkCanvas* canvas, PdfToken
|
||||
//tag MP Designate a marked-content point. tag is a name object indicating the role or
|
||||
//significance of the point.
|
||||
static SkPdfResult PdfOp_MP(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 1);
|
||||
POP_OBJ(pdfContext, tag);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
if (tag == NULL) {
|
||||
return kNYI_SkPdfResult;
|
||||
}
|
||||
|
||||
return kNYI_SkPdfResult;
|
||||
}
|
||||
@ -2263,8 +2496,14 @@ static SkPdfResult PdfOp_MP(SkPdfContext* pdfContext, SkCanvas* canvas, PdfToken
|
||||
//associated with it in the Properties subdictionary of the current resource
|
||||
//dictionary (see Section 9.5.1, “Property Lists”).
|
||||
static SkPdfResult PdfOp_DP(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
pdfContext->fObjectStack.pop();
|
||||
pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 2);
|
||||
POP_OBJ(pdfContext, properties);
|
||||
POP_OBJ(pdfContext, tag);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
if (tag == NULL || properties == NULL) {
|
||||
return kNYI_SkPdfResult;
|
||||
}
|
||||
|
||||
return kNYI_SkPdfResult;
|
||||
}
|
||||
@ -2272,7 +2511,13 @@ static SkPdfResult PdfOp_DP(SkPdfContext* pdfContext, SkCanvas* canvas, PdfToken
|
||||
//tag BMC Begin a marked-content sequence terminated by a balancing EMC operator.
|
||||
//tag is a name object indicating the role or significance of the sequence.
|
||||
static SkPdfResult PdfOp_BMC(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 1);
|
||||
POP_OBJ(pdfContext, tag);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
if (tag == NULL) {
|
||||
return kNYI_SkPdfResult;
|
||||
}
|
||||
|
||||
return kNYI_SkPdfResult;
|
||||
}
|
||||
@ -2281,8 +2526,14 @@ static SkPdfResult PdfOp_BMC(SkPdfContext* pdfContext, SkCanvas* canvas, PdfToke
|
||||
//by a balancing EMCoperator. tag is a name object indicating the role or significance of the sequence; propertiesis either an inline dictionary containing the
|
||||
//property list or a name object associated with it in the Properties subdictionary of the current resource dictionary (see Section 9.5.1, “Property Lists”).
|
||||
static SkPdfResult PdfOp_BDC(SkPdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
|
||||
pdfContext->fObjectStack.pop();
|
||||
pdfContext->fObjectStack.pop();
|
||||
EXPECT_OPERANDS(pdfContext, 2);
|
||||
POP_OBJ(pdfContext, properties);
|
||||
POP_OBJ(pdfContext, tag);
|
||||
CHECK_PARAMETERS();
|
||||
|
||||
if (tag == NULL || properties == NULL) {
|
||||
return kNYI_SkPdfResult;
|
||||
}
|
||||
|
||||
return kNYI_SkPdfResult;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user