| /* |
| * Copyright 2006 The Android Open Source Project |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkDrawPaint.h" |
| #include "SkAnimateMaker.h" |
| #include "SkDrawColor.h" |
| #include "SkDrawShader.h" |
| #include "SkMaskFilter.h" |
| #include "SkPaintPart.h" |
| #include "SkPathEffect.h" |
| |
| enum SkPaint_Functions { |
| SK_FUNCTION(measureText) |
| }; |
| |
| enum SkPaint_Properties { |
| SK_PROPERTY(ascent), |
| SK_PROPERTY(descent) |
| }; |
| |
| // !!! in the future, this could be compiled by build-condensed-info into an array of parameters |
| // with a lookup table to find the first parameter -- for now, it is iteratively searched through |
| const SkFunctionParamType SkDrawPaint::fFunctionParameters[] = { |
| (SkFunctionParamType) SkType_String, |
| (SkFunctionParamType) 0 // terminator for parameter list (there may be multiple parameter lists) |
| }; |
| |
| |
| #if SK_USE_CONDENSED_INFO == 0 |
| |
| const SkMemberInfo SkDrawPaint::fInfo[] = { |
| SK_MEMBER(antiAlias, Boolean), |
| SK_MEMBER_PROPERTY(ascent, Float), |
| SK_MEMBER(color, Color), |
| SK_MEMBER_PROPERTY(descent, Float), |
| SK_MEMBER(fakeBold, Boolean), |
| SK_MEMBER(filterBitmap, Boolean), |
| SK_MEMBER(linearText, Boolean), |
| SK_MEMBER(maskFilter, MaskFilter), |
| SK_MEMBER_FUNCTION(measureText, Float), |
| SK_MEMBER(pathEffect, PathEffect), |
| SK_MEMBER(shader, Shader), |
| SK_MEMBER(strikeThru, Boolean), |
| SK_MEMBER(stroke, Boolean), |
| SK_MEMBER(strokeCap, Cap), |
| SK_MEMBER(strokeJoin, Join), |
| SK_MEMBER(strokeMiter, Float), |
| SK_MEMBER(strokeWidth, Float), |
| SK_MEMBER(style, Style), |
| SK_MEMBER(textAlign, Align), |
| SK_MEMBER(textScaleX, Float), |
| SK_MEMBER(textSize, Float), |
| SK_MEMBER(textSkewX, Float), |
| SK_MEMBER(typeface, Typeface), |
| SK_MEMBER(underline, Boolean), |
| SK_MEMBER(xfermode, Xfermode) |
| }; |
| |
| #endif |
| |
| DEFINE_GET_MEMBER(SkDrawPaint); |
| |
| SkDrawPaint::SkDrawPaint() : antiAlias(-1), color(nullptr), fakeBold(-1), filterBitmap(-1), |
| linearText(-1), maskFilter((SkDrawMaskFilter*) -1), pathEffect((SkDrawPathEffect*) -1), |
| shader((SkDrawShader*) -1), strikeThru(-1), stroke(-1), |
| strokeCap((SkPaint::Cap) -1), strokeJoin((SkPaint::Join) -1), strokeMiter(SK_ScalarNaN), |
| strokeWidth(SK_ScalarNaN), style((SkPaint::Style) -1), |
| textAlign((SkPaint::Align) -1), textScaleX(SK_ScalarNaN), textSize(SK_ScalarNaN), |
| textSkewX(SK_ScalarNaN), typeface((SkDrawTypeface*) -1), |
| underline(-1), xfermode((SkXfermode::Mode) -1), fOwnsColor(false), fOwnsMaskFilter(false), |
| fOwnsPathEffect(false), fOwnsShader(false), fOwnsTypeface(false) { |
| } |
| |
| SkDrawPaint::~SkDrawPaint() { |
| if (fOwnsColor) |
| delete color; |
| if (fOwnsMaskFilter) |
| delete maskFilter; |
| if (fOwnsPathEffect) |
| delete pathEffect; |
| if (fOwnsShader) |
| delete shader; |
| if (fOwnsTypeface) |
| delete typeface; |
| } |
| |
| bool SkDrawPaint::add(SkAnimateMaker* maker, SkDisplayable* child) { |
| SkASSERT(child && child->isPaintPart()); |
| SkPaintPart* part = (SkPaintPart*) child; |
| if (part->add() && maker) |
| maker->setErrorCode(SkDisplayXMLParserError::kErrorAddingToPaint); |
| return true; |
| } |
| |
| SkDisplayable* SkDrawPaint::deepCopy(SkAnimateMaker* maker) { |
| SkDrawColor* tempColor = color; |
| color = nullptr; |
| SkDrawPaint* copy = (SkDrawPaint*) INHERITED::deepCopy(maker); |
| color = tempColor; |
| tempColor = (SkDrawColor*) color->deepCopy(maker); |
| tempColor->setParent(copy); |
| tempColor->add(); |
| copy->fOwnsColor = true; |
| return copy; |
| } |
| |
| bool SkDrawPaint::draw(SkAnimateMaker& maker) { |
| SkPaint* paint = maker.fPaint; |
| setupPaint(paint); |
| return false; |
| } |
| |
| #ifdef SK_DUMP_ENABLED |
| void SkDrawPaint::dump(SkAnimateMaker* maker) { |
| dumpBase(maker); |
| dumpAttrs(maker); |
| bool closedYet = false; |
| SkDisplayList::fIndent +=4; |
| //should i say if (maskFilter && ...? |
| if (maskFilter != (SkDrawMaskFilter*)-1) { |
| SkDebugf(">\n"); |
| maskFilter->dump(maker); |
| closedYet = true; |
| } |
| if (pathEffect != (SkDrawPathEffect*) -1) { |
| if (closedYet == false) { |
| SkDebugf(">\n"); |
| closedYet = true; |
| } |
| pathEffect->dump(maker); |
| } |
| if (fOwnsTypeface) { |
| if (closedYet == false) { |
| SkDebugf(">\n"); |
| closedYet = true; |
| } |
| typeface->dump(maker); |
| } |
| SkDisplayList::fIndent -= 4; |
| dumpChildren(maker, closedYet); |
| } |
| #endif |
| |
| void SkDrawPaint::executeFunction(SkDisplayable* target, int index, |
| SkTDArray<SkScriptValue>& parameters, SkDisplayTypes type, |
| SkScriptValue* scriptValue) { |
| if (scriptValue == nullptr) |
| return; |
| SkASSERT(target == this); |
| switch (index) { |
| case SK_FUNCTION(measureText): { |
| SkASSERT(parameters.count() == 1); |
| SkASSERT(type == SkType_Float); |
| SkPaint paint; |
| setupPaint(&paint); |
| scriptValue->fType = SkType_Float; |
| SkASSERT(parameters[0].fType == SkType_String); |
| scriptValue->fOperand.fScalar = paint.measureText(parameters[0].fOperand.fString->c_str(), |
| parameters[0].fOperand.fString->size()); |
| // SkDebugf("measureText: %s = %g\n", parameters[0].fOperand.fString->c_str(), |
| // scriptValue->fOperand.fScalar / 65536.0f); |
| } break; |
| default: |
| SkASSERT(0); |
| } |
| } |
| |
| const SkFunctionParamType* SkDrawPaint::getFunctionsParameters() { |
| return fFunctionParameters; |
| } |
| |
| bool SkDrawPaint::getProperty(int index, SkScriptValue* value) const { |
| SkPaint::FontMetrics metrics; |
| SkPaint paint; |
| setupPaint(&paint); |
| paint.getFontMetrics(&metrics); |
| switch (index) { |
| case SK_PROPERTY(ascent): |
| value->fOperand.fScalar = metrics.fAscent; |
| break; |
| case SK_PROPERTY(descent): |
| value->fOperand.fScalar = metrics.fDescent; |
| break; |
| // should consider returning fLeading as well (or roll it into ascent/descent somehow |
| default: |
| SkASSERT(0); |
| return false; |
| } |
| value->fType = SkType_Float; |
| return true; |
| } |
| |
| bool SkDrawPaint::resolveIDs(SkAnimateMaker& maker, SkDisplayable* origDisp, SkApply* ) { |
| SkASSERT(origDisp->isPaint()); |
| SkDrawPaint* original = (SkDrawPaint*) origDisp; |
| if (fOwnsColor && maker.resolveID(color, original->color) == false) |
| return true; |
| if (fOwnsMaskFilter && maker.resolveID(maskFilter, original->maskFilter) == false) |
| return true; |
| if (fOwnsPathEffect && maker.resolveID(pathEffect, original->pathEffect) == false) |
| return true; |
| if (fOwnsShader && maker.resolveID(shader, original->shader) == false) |
| return true; |
| if (fOwnsTypeface && maker.resolveID(typeface, original->typeface) == false) |
| return true; |
| return false; // succeeded |
| } |
| |
| void SkDrawPaint::setupPaint(SkPaint* paint) const { |
| if (antiAlias != -1) |
| paint->setAntiAlias(SkToBool(antiAlias)); |
| if (color != nullptr) |
| paint->setColor(color->getColor()); |
| if (fakeBold != -1) |
| paint->setFakeBoldText(SkToBool(fakeBold)); |
| if (filterBitmap != -1) |
| paint->setFilterQuality(filterBitmap ? kLow_SkFilterQuality : kNone_SkFilterQuality); |
| // stroke is legacy; style setting if present overrides stroke |
| if (stroke != -1) |
| paint->setStyle(SkToBool(stroke) ? SkPaint::kStroke_Style : SkPaint::kFill_Style); |
| if (style != -1) |
| paint->setStyle((SkPaint::Style) style); |
| if (linearText != -1) |
| paint->setLinearText(SkToBool(linearText)); |
| if (maskFilter == nullptr) |
| paint->setMaskFilter(nullptr); |
| else if (maskFilter != (SkDrawMaskFilter*) -1) |
| SkSafeUnref(paint->setMaskFilter(maskFilter->getMaskFilter())); |
| if (pathEffect == nullptr) |
| paint->setPathEffect(nullptr); |
| else if (pathEffect != (SkDrawPathEffect*) -1) |
| SkSafeUnref(paint->setPathEffect(pathEffect->getPathEffect())); |
| if (shader == nullptr) |
| paint->setShader(nullptr); |
| else if (shader != (SkDrawShader*) -1) |
| SkSafeUnref(paint->setShader(shader->getShader())); |
| if (strikeThru != -1) |
| paint->setStrikeThruText(SkToBool(strikeThru)); |
| if (strokeCap != -1) |
| paint->setStrokeCap((SkPaint::Cap) strokeCap); |
| if (strokeJoin != -1) |
| paint->setStrokeJoin((SkPaint::Join) strokeJoin); |
| if (SkScalarIsNaN(strokeMiter) == false) |
| paint->setStrokeMiter(strokeMiter); |
| if (SkScalarIsNaN(strokeWidth) == false) |
| paint->setStrokeWidth(strokeWidth); |
| if (textAlign != -1) |
| paint->setTextAlign((SkPaint::Align) textAlign); |
| if (SkScalarIsNaN(textScaleX) == false) |
| paint->setTextScaleX(textScaleX); |
| if (SkScalarIsNaN(textSize) == false) |
| paint->setTextSize(textSize); |
| if (SkScalarIsNaN(textSkewX) == false) |
| paint->setTextSkewX(textSkewX); |
| if (typeface == nullptr) |
| paint->setTypeface(nullptr); |
| else if (typeface != (SkDrawTypeface*) -1) |
| SkSafeUnref(paint->setTypeface(typeface->getTypeface())); |
| if (underline != -1) |
| paint->setUnderlineText(SkToBool(underline)); |
| if (xfermode != -1) |
| paint->setXfermodeMode((SkXfermode::Mode) xfermode); |
| } |