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add sample effects

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git-svn-id: http://skia.googlecode.com/svn/trunk@180 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@android.com 2009-05-22 13:48:35 +00:00
parent 72dcd3a3c1
commit ba974ccbdd
2 changed files with 119 additions and 2 deletions
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113
samplecode/SampleEffects.cpp Normal file
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@ -0,0 +1,113 @@
#include "SampleCode.h"
#include "SkCanvas.h"
#include "SkPaint.h"
#include "SkPorterDuff.h"
#include "SkView.h"
#include "SkBlurMaskFilter.h"
#include "SkColorMatrixFilter.h"
#include "SkDiscretePathEffect.h"
#include "SkGradientShader.h"
//#define COLOR 0xFFFF8844
#define COLOR 0xFF888888
static void paint_proc0(SkPaint* paint) {
}
static void paint_proc1(SkPaint* paint) {
paint->setMaskFilter(SkBlurMaskFilter::Create(2,
SkBlurMaskFilter::kNormal_BlurStyle))->unref();
}
static void paint_proc2(SkPaint* paint) {
SkScalar dir[3] = { 1, 1, 1};
paint->setMaskFilter(
SkBlurMaskFilter::CreateEmboss(dir, 0.1, 0.05, 1))->unref();
}
static void paint_proc3(SkPaint* paint) {
SkColor colors[] = { SK_ColorRED, COLOR, SK_ColorBLUE };
SkPoint pts[] = { 3, 0, 7, 5 };
paint->setShader(SkGradientShader::CreateLinear(pts, colors, NULL, SK_ARRAY_COUNT(colors),
SkShader::kMirror_TileMode))->unref();
}
static void paint_proc5(SkPaint* paint) {
paint_proc3(paint);
paint_proc2(paint);
}
typedef void (*PaintProc)(SkPaint*);
const PaintProc gPaintProcs[] = {
paint_proc0,
paint_proc1,
paint_proc2,
paint_proc3,
paint_proc5,
};
///////////////////////////////////////////////////////////////////////////////
class EffectsView : public SkView {
public:
SkPath fPath;
SkPaint fPaint[SK_ARRAY_COUNT(gPaintProcs)];
EffectsView() {
size_t i;
const float pts[] = {
0, 0,
10, 0,
10, 5,
20, -5,
10, -15,
10, -10,
0, -10
};
fPath.moveTo(pts[0], pts[1]);
for (i = 2; i < SK_ARRAY_COUNT(pts); i += 2) {
fPath.lineTo(pts[i], pts[i+1]);
}
for (i = 0; i < SK_ARRAY_COUNT(gPaintProcs); i++) {
fPaint[i].setAntiAlias(true);
fPaint[i].setColor(COLOR);
gPaintProcs[i](&fPaint[i]);
}
}
protected:
// overrides from SkEventSink
virtual bool onQuery(SkEvent* evt) {
if (SampleCode::TitleQ(*evt)) {
SampleCode::TitleR(evt, "Effects");
return true;
}
return this->INHERITED::onQuery(evt);
}
void drawBG(SkCanvas* canvas) {
canvas->drawColor(0xFFDDDDDD);
}
virtual void onDraw(SkCanvas* canvas) {
this->drawBG(canvas);
canvas->scale(3, 3);
canvas->translate(10, 30);
for (size_t i = 0; i < SK_ARRAY_COUNT(fPaint); i++) {
canvas->drawPath(fPath, fPaint[i]);
canvas->translate(32, 0);
}
}
private:
typedef SkView INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
static SkView* MyFactory() { return new EffectsView; }
static SkViewRegister reg(MyFactory);

8
xcode/sampleapp/SampleApp.xcodeproj/project.pbxproj
View File

@ -73,6 +73,7 @@
009490320FB0A5B90063C792 /* SampleLayerMask.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 009490310FB0A5B90063C792 /* SampleLayerMask.cpp */; };
009CC9190F65918A002185BE /* SampleFontScalerTest.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 009CC9180F65918A002185BE /* SampleFontScalerTest.cpp */; };
00A41E4B0EFC312F00C9CBEB /* SampleArc.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 00A41E4A0EFC312F00C9CBEB /* SampleArc.cpp */; };
00A8A3EE0FC25993006ED638 /* SampleEffects.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 00A8A3ED0FC25993006ED638 /* SampleEffects.cpp */; };
00C55DA10F8552DC000CAC09 /* SampleGradients.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 00C55DA00F8552DC000CAC09 /* SampleGradients.cpp */; };
0156F80407C56A3000C6122B /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0156F80307C56A3000C6122B /* Foundation.framework */; };
01FC44D507BD3BB800D228F4 /* Quartz.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 01FC44D407BD3BB800D228F4 /* Quartz.framework */; };
@ -197,6 +198,7 @@
009490310FB0A5B90063C792 /* SampleLayerMask.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = SampleLayerMask.cpp; path = ../../samplecode/SampleLayerMask.cpp; sourceTree = SOURCE_ROOT; };
009CC9180F65918A002185BE /* SampleFontScalerTest.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = SampleFontScalerTest.cpp; path = ../../samplecode/SampleFontScalerTest.cpp; sourceTree = SOURCE_ROOT; };
00A41E4A0EFC312F00C9CBEB /* SampleArc.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = SampleArc.cpp; path = ../../samplecode/SampleArc.cpp; sourceTree = SOURCE_ROOT; };
00A8A3ED0FC25993006ED638 /* SampleEffects.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = SampleEffects.cpp; path = ../../samplecode/SampleEffects.cpp; sourceTree = SOURCE_ROOT; };
00C55DA00F8552DC000CAC09 /* SampleGradients.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = SampleGradients.cpp; path = ../../samplecode/SampleGradients.cpp; sourceTree = SOURCE_ROOT; };
00D6B5CB0F72DC4300C466B9 /* SampleFuzz.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = SampleFuzz.cpp; path = ../../samplecode/SampleFuzz.cpp; sourceTree = SOURCE_ROOT; };
0156F80307C56A3000C6122B /* Foundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Foundation.framework; path = /System/Library/Frameworks/Foundation.framework; sourceTree = "<absolute>"; };
@ -235,6 +237,7 @@
00D6B5CB0F72DC4300C466B9 /* SampleFuzz.cpp */,
00C55DA00F8552DC000CAC09 /* SampleGradients.cpp */,
009490310FB0A5B90063C792 /* SampleLayerMask.cpp */,
00A8A3ED0FC25993006ED638 /* SampleEffects.cpp */,
003145310FB9B48F00B10956 /* SampleShapes.cpp */,
009CC9180F65918A002185BE /* SampleFontScalerTest.cpp */,
007A7CA50F01658C00A2D6EE /* SamplePoints.cpp */,
@ -487,7 +490,6 @@
files = (
00003C660EFC22A8000FF73A /* SampleApp.cpp in Sources */,
00003C680EFC22A8000FF73A /* SamplePath.cpp in Sources */,
00003C690EFC22A8000FF73A /* SamplePathEffects.cpp in Sources */,
00003C740EFC22CE000FF73A /* SkEvent.cpp in Sources */,
00003C750EFC22CE000FF73A /* SkEventSink.cpp in Sources */,
00003C760EFC22CE000FF73A /* SkMetaData.cpp in Sources */,
@ -530,7 +532,6 @@
007A7CB80F01658C00A2D6EE /* SampleStrokeText.cpp in Sources */,
007A7CBA0F01658C00A2D6EE /* SampleText.cpp in Sources */,
007A7CBB0F01658C00A2D6EE /* SampleTextAlpha.cpp in Sources */,
007A7CBC0F01658C00A2D6EE /* SampleTextEffects.cpp in Sources */,
007A7CBD0F01658C00A2D6EE /* SampleTextOnPath.cpp in Sources */,
007A7CBE0F01658C00A2D6EE /* SampleTiling.cpp in Sources */,
007A7CBF0F01658C00A2D6EE /* SampleTypeface.cpp in Sources */,
@ -549,6 +550,9 @@
003145200FB99CCE00B10956 /* SkRectShape.cpp in Sources */,
003145320FB9B48F00B10956 /* SampleShapes.cpp in Sources */,
003145370FB9BA4000B10956 /* SkGroupShape.cpp in Sources */,
007A7CBC0F01658C00A2D6EE /* SampleTextEffects.cpp in Sources */,
00003C690EFC22A8000FF73A /* SamplePathEffects.cpp in Sources */,
00A8A3EE0FC25993006ED638 /* SampleEffects.cpp in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};