зеркало из https://github.com/mozilla/moz-skia.git
move texteffects from Sample to gm
git-svn-id: http://skia.googlecode.com/svn/trunk@5051 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
mike@reedtribe.org
Родитель
56d5bfa90e
Коммит
3d1cb97240
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@ -1,65 +1,12 @@
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/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SampleCode.h"
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#include "SkView.h"
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#include "SkCanvas.h"
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#include "gm.h"
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#include "SkFlattenableBuffers.h"
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#include "SkGradientShader.h"
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#include "SkPath.h"
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#include "SkRegion.h"
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#include "SkShader.h"
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#include "SkUtils.h"
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#include "SkColorPriv.h"
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#include "SkColorFilter.h"
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#include "SkTypeface.h"
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#include "SkAvoidXfermode.h"
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static inline SkPMColor rgb2gray(SkPMColor c) {
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unsigned r = SkGetPackedR32(c);
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unsigned g = SkGetPackedG32(c);
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unsigned b = SkGetPackedB32(c);
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unsigned x = (r * 5 + g * 7 + b * 4) >> 4;
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return SkPackARGB32(0, x, x, x) | (c & (SK_A32_MASK << SK_A32_SHIFT));
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}
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class SkGrayScaleColorFilter : public SkColorFilter {
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public:
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virtual void filterSpan(const SkPMColor src[], int count,
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SkPMColor result[]) {
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for (int i = 0; i < count; i++) {
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result[i] = rgb2gray(src[i]);
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}
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}
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};
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class SkChannelMaskColorFilter : public SkColorFilter {
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public:
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SkChannelMaskColorFilter(U8CPU redMask, U8CPU greenMask, U8CPU blueMask) {
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fMask = SkPackARGB32(0xFF, redMask, greenMask, blueMask);
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}
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virtual void filterSpan(const SkPMColor src[], int count,
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SkPMColor result[]) {
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SkPMColor mask = fMask;
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for (int i = 0; i < count; i++) {
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result[i] = src[i] & mask;
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}
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}
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private:
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SkPMColor fMask;
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};
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///////////////////////////////////////////////////////////
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#include "SkGradientShader.h"
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#include "SkLayerRasterizer.h"
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#include "SkBlurMaskFilter.h"
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@ -67,12 +14,12 @@ static void r0(SkLayerRasterizer* rast, SkPaint& p) {
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p.setMaskFilter(SkBlurMaskFilter::Create(SkIntToScalar(3),
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SkBlurMaskFilter::kNormal_BlurStyle))->unref();
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rast->addLayer(p, SkIntToScalar(3), SkIntToScalar(3));
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p.setMaskFilter(NULL);
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p.setStyle(SkPaint::kStroke_Style);
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p.setStrokeWidth(SK_Scalar1);
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rast->addLayer(p);
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p.setAlpha(0x11);
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p.setStyle(SkPaint::kFill_Style);
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p.setXfermodeMode(SkXfermode::kSrc_Mode);
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@ -81,7 +28,7 @@ static void r0(SkLayerRasterizer* rast, SkPaint& p) {
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static void r1(SkLayerRasterizer* rast, SkPaint& p) {
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rast->addLayer(p);
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p.setAlpha(0x40);
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p.setXfermodeMode(SkXfermode::kSrc_Mode);
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p.setStyle(SkPaint::kStroke_Style);
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@ -93,7 +40,7 @@ static void r2(SkLayerRasterizer* rast, SkPaint& p) {
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p.setStyle(SkPaint::kStrokeAndFill_Style);
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p.setStrokeWidth(SK_Scalar1*4);
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rast->addLayer(p);
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p.setStyle(SkPaint::kStroke_Style);
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p.setStrokeWidth(SK_Scalar1*3/2);
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p.setXfermodeMode(SkXfermode::kClear_Mode);
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@ -104,7 +51,7 @@ static void r3(SkLayerRasterizer* rast, SkPaint& p) {
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p.setStyle(SkPaint::kStroke_Style);
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p.setStrokeWidth(SK_Scalar1*3);
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rast->addLayer(p);
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p.setAlpha(0x20);
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p.setStyle(SkPaint::kFill_Style);
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p.setXfermodeMode(SkXfermode::kSrc_Mode);
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@ -114,11 +61,11 @@ static void r3(SkLayerRasterizer* rast, SkPaint& p) {
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static void r4(SkLayerRasterizer* rast, SkPaint& p) {
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p.setAlpha(0x60);
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rast->addLayer(p, SkIntToScalar(3), SkIntToScalar(3));
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p.setAlpha(0xFF);
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p.setXfermodeMode(SkXfermode::kClear_Mode);
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rast->addLayer(p, SK_Scalar1*3/2, SK_Scalar1*3/2);
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p.setXfermode(NULL);
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rast->addLayer(p);
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}
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@ -127,7 +74,7 @@ static void r4(SkLayerRasterizer* rast, SkPaint& p) {
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static void r5(SkLayerRasterizer* rast, SkPaint& p) {
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rast->addLayer(p);
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p.setPathEffect(new SkDiscretePathEffect(SK_Scalar1*4, SK_Scalar1*3))->unref();
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p.setXfermodeMode(SkXfermode::kSrcOut_Mode);
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rast->addLayer(p);
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@ -135,7 +82,7 @@ static void r5(SkLayerRasterizer* rast, SkPaint& p) {
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static void r6(SkLayerRasterizer* rast, SkPaint& p) {
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rast->addLayer(p);
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p.setAntiAlias(false);
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SkLayerRasterizer* rast2 = new SkLayerRasterizer;
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r5(rast2, p);
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@ -162,14 +109,14 @@ static void r7(SkLayerRasterizer* rast, SkPaint& p) {
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static void r8(SkLayerRasterizer* rast, SkPaint& p) {
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rast->addLayer(p);
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SkMatrix lattice;
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lattice.setScale(SK_Scalar1*6, SK_Scalar1*6, 0, 0);
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lattice.postSkew(SK_Scalar1/3, 0, 0, 0);
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p.setPathEffect(MakeDotEffect(SK_Scalar1*2, lattice))->unref();
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p.setXfermodeMode(SkXfermode::kClear_Mode);
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rast->addLayer(p);
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p.setPathEffect(NULL);
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p.setXfermode(NULL);
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p.setStyle(SkPaint::kStroke_Style);
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@ -180,8 +127,8 @@ static void r8(SkLayerRasterizer* rast, SkPaint& p) {
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class Line2DPathEffect : public Sk2DPathEffect {
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public:
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Line2DPathEffect(SkScalar width, const SkMatrix& matrix)
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: Sk2DPathEffect(matrix), fWidth(width) {}
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: Sk2DPathEffect(matrix), fWidth(width) {}
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virtual bool filterPath(SkPath* dst, const SkPath& src, SkStrokeRec* rec) SK_OVERRIDE {
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if (this->INHERITED::filterPath(dst, src, rec)) {
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rec->setStrokeStyle(fWidth);
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@ -189,25 +136,25 @@ public:
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}
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return false;
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}
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SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(Line2DPathEffect)
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protected:
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virtual void nextSpan(int u, int v, int ucount, SkPath* dst) {
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if (ucount > 1) {
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SkPoint src[2], dstP[2];
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src[0].set(SkIntToScalar(u) + SK_ScalarHalf,
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SkIntToScalar(v) + SK_ScalarHalf);
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src[1].set(SkIntToScalar(u+ucount) + SK_ScalarHalf,
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SkIntToScalar(v) + SK_ScalarHalf);
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this->getMatrix().mapPoints(dstP, src, 2);
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dst->moveTo(dstP[0]);
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dst->lineTo(dstP[1]);
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}
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}
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Line2DPathEffect(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {
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fWidth = buffer.readScalar();
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}
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@ -215,23 +162,23 @@ protected:
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this->INHERITED::flatten(buffer);
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buffer.writeScalar(fWidth);
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}
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private:
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SkScalar fWidth;
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typedef Sk2DPathEffect INHERITED;
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};
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static void r9(SkLayerRasterizer* rast, SkPaint& p) {
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rast->addLayer(p);
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SkMatrix lattice;
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lattice.setScale(SK_Scalar1, SK_Scalar1*6, 0, 0);
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lattice.postRotate(SkIntToScalar(30), 0, 0);
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p.setPathEffect(new Line2DPathEffect(SK_Scalar1*2, lattice))->unref();
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p.setXfermodeMode(SkXfermode::kClear_Mode);
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rast->addLayer(p);
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p.setPathEffect(NULL);
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p.setXfermode(NULL);
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p.setStyle(SkPaint::kStroke_Style);
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@ -263,12 +210,12 @@ static void apply_shader(SkPaint* paint, int index) {
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{
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SkPaint p;
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SkLayerRasterizer* rast = new SkLayerRasterizer;
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p.setAntiAlias(true);
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proc(rast, p);
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paint->setRasterizer(rast)->unref();
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}
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#if 0
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SkScalar dir[] = { SK_Scalar1, SK_Scalar1, SK_Scalar1 };
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paint->setMaskFilter(SkBlurMaskFilter::CreateEmboss(dir, SK_Scalar1/4, SkIntToScalar(4), SkIntToScalar(3)))->unref();
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@ -276,85 +223,52 @@ static void apply_shader(SkPaint* paint, int index) {
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paint->setColor(SK_ColorBLUE);
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}
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static int gRastIndex;
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class TextEffectView : public SampleView {
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SkTypeface* fFace;
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class TextEffectsGM : public skiagm::GM {
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public:
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TextEffectView() {
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fFace = SkTypeface::CreateFromFile("/Users/reed/Downloads/p052024l.pfb");
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}
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virtual ~TextEffectView() {
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SkSafeUnref(fFace);
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}
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TextEffectsGM() {}
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protected:
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// overrides from SkEventSink
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virtual bool onQuery(SkEvent* evt) {
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if (SampleCode::TitleQ(*evt)) {
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SampleCode::TitleR(evt, "Text Effects");
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return true;
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}
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return this->INHERITED::onQuery(evt);
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virtual SkString onShortName() SK_OVERRIDE {
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return SkString("texteffects");
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}
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virtual void onDrawContent(SkCanvas* canvas) {
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virtual SkISize onISize() SK_OVERRIDE {
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return SkISize::Make(640, 480);
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}
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virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
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canvas->save();
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// canvas->scale(SK_Scalar1*2, SK_Scalar1*2, 0, 0);
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setTextSize(SkIntToScalar(56));
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paint.setTypeface(SkTypeface::CreateFromName("sans-serif",
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SkTypeface::kBold));
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SkScalar x = SkIntToScalar(20);
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SkScalar y = paint.getTextSize();
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SkString str("TextEffects");
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paint.setTypeface(fFace);
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SkString str("Hamburgefons");
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for (size_t i = 0; i < SK_ARRAY_COUNT(gRastProcs); i++) {
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apply_shader(&paint, i);
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// paint.setMaskFilter(NULL);
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// paint.setColor(SK_ColorBLACK);
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#if 1
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int index = i % SK_ARRAY_COUNT(gLightingColors);
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paint.setColorFilter(SkColorFilter::CreateLightingFilter(
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gLightingColors[index].fMul,
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gLightingColors[index].fAdd))->unref();
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#endif
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// paint.setMaskFilter(NULL);
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// paint.setColor(SK_ColorBLACK);
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canvas->drawText(str.c_str(), str.size(), x, y, paint);
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y += paint.getFontSpacing();
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}
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canvas->restore();
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}
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virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) {
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gRastIndex = (gRastIndex + 1) % SK_ARRAY_COUNT(gRastProcs);
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this->inval(NULL);
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return this->INHERITED::onFindClickHandler(x, y);
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}
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virtual bool onClick(Click* click) {
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return this->INHERITED::onClick(click);
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}
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private:
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typedef SampleView INHERITED;
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typedef skiagm::GM INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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static SkView* MyFactory() { return new TextEffectView; }
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static SkViewRegister reg(MyFactory);
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static skiagm::GM* MyFactory(void*) { return new TextEffectsGM; }
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static skiagm::GMRegistry reg(MyFactory);
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@ -93,7 +93,6 @@
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'../samplecode/SampleText.cpp',
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'../samplecode/SampleTextAlpha.cpp',
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'../samplecode/SampleTextBox.cpp',
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'../samplecode/SampleTextEffects.cpp',
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'../samplecode/SampleTextOnPath.cpp',
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'../samplecode/SampleTextureDomain.cpp',
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'../samplecode/SampleTiling.cpp',
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@ -58,6 +58,7 @@
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'../gm/strokerects.cpp',
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'../gm/strokes.cpp',
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'../gm/tablecolorfilter.cpp',
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'../gm/texteffects.cpp',
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'../gm/testimagefilters.cpp',
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'../gm/texdata.cpp',
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'../gm/tilemodes.cpp',
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