add tristate toggle 'l' for lcd text drawing
git-svn-id: http://skia.googlecode.com/svn/trunk@925 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleApp.cpp b/samplecode/SampleApp.cpp
index 45cb2bb..23ee27f 100644
--- a/samplecode/SampleApp.cpp
+++ b/samplecode/SampleApp.cpp
@@ -41,6 +41,84 @@
#define SK_USE_SHADERS
#endif
+#if 1
+#include <CoreFoundation/CoreFoundation.h>
+#include <CoreFoundation/CFURLAccess.h>
+
+static void testpdf() {
+ CFStringRef path = CFStringCreateWithCString(NULL, "/test.pdf",
+ kCFStringEncodingUTF8);
+ CFURLRef url = CFURLCreateWithFileSystemPath(NULL, path,
+ kCFURLPOSIXPathStyle,
+ false);
+ CFRelease(path);
+ CGRect box = CGRectMake(0, 0, 8*72, 10*72);
+ CGContextRef cg = CGPDFContextCreateWithURL(url, &box, NULL);
+ CFRelease(url);
+
+ CGContextBeginPage(cg, &box);
+ CGRect r = CGRectMake(10, 10, 40 + 0.5, 50 + 0.5);
+ CGContextFillEllipseInRect(cg, r);
+ CGContextEndPage(cg);
+ CGContextRelease(cg);
+
+ if (false) {
+ SkBitmap bm;
+ bm.setConfig(SkBitmap::kA8_Config, 64, 64);
+ bm.allocPixels();
+ bm.eraseColor(0);
+
+ SkCanvas canvas(bm);
+
+ }
+}
+#endif
+
+//////////////////////////////////////////////////////////////////////////////
+
+#include "SkDrawFilter.h"
+
+class LCDTextDrawFilter : public SkDrawFilter {
+public:
+ enum Mode {
+ kNeutral_Mode,
+ kForceOn_Mode,
+ kForceOff_Mode
+ };
+
+ LCDTextDrawFilter(Mode mode) : fMode(mode) {}
+
+ virtual bool filter(SkCanvas*, SkPaint* paint, Type t) {
+ if (kText_Type == t && kNeutral_Mode != fMode) {
+ fPrevLCD = paint->isLCDRenderText();
+ paint->setLCDRenderText(kForceOn_Mode == fMode);
+ }
+ return true;
+ }
+
+ /** If filter() returned true, then restore() will be called to restore the
+ canvas/paint to their previous states
+ */
+ virtual void restore(SkCanvas*, SkPaint* paint, Type t) {
+ if (kText_Type == t && kNeutral_Mode != fMode) {
+ paint->setLCDRenderText(fPrevLCD);
+ }
+ }
+
+private:
+ Mode fMode;
+ bool fPrevLCD;
+};
+
+LCDTextDrawFilter::Mode cycle_lcdmode(LCDTextDrawFilter::Mode mode) {
+ static const LCDTextDrawFilter::Mode gCycle[] = {
+ /* kNeutral_Mode -> */ LCDTextDrawFilter::kForceOn_Mode,
+ /* kForceOn_Mode -> */ LCDTextDrawFilter::kForceOff_Mode,
+ /* kForceOff_Mode -> */ LCDTextDrawFilter::kNeutral_Mode
+ };
+ return gCycle[mode];
+}
+
//////////////////////////////////////////////////////////////////////////////
static const char gCharEvtName[] = "SampleCode_Char_Event";
@@ -180,6 +258,8 @@
bool fScale;
bool fRequestGrabImage;
+ LCDTextDrawFilter::Mode fLCDMode;
+
int fScrollTestX, fScrollTestY;
bool make3DReady();
@@ -251,7 +331,7 @@
fRotate = false;
fScale = false;
fRequestGrabImage = false;
-
+ fLCDMode = LCDTextDrawFilter::kNeutral_Mode;
fScrollTestX = fScrollTestY = 0;
// this->setConfig(SkBitmap::kRGB_565_Config);
@@ -268,6 +348,8 @@
}
fCurrIndex = 0;
this->loadView(fSamples[fCurrIndex]());
+
+ testpdf();
}
SampleWindow::~SampleWindow() {
@@ -512,9 +594,14 @@
canvas->rotate(SkIntToScalar(30));
canvas->translate(-cx, -cy);
}
+
+ if (LCDTextDrawFilter::kNeutral_Mode != fLCDMode) {
+ canvas->setDrawFilter(new LCDTextDrawFilter(fLCDMode))->unref();
+ }
}
void SampleWindow::afterChild(SkView* child, SkCanvas* canvas) {
+ canvas->setDrawFilter(NULL);
}
static SkBitmap::Config gConfigCycle[] = {
@@ -669,6 +756,11 @@
fRequestGrabImage = true;
this->inval(NULL);
break;
+ case 'l':
+ fLCDMode = cycle_lcdmode(fLCDMode);
+ this->updateTitle();
+ this->inval(NULL);
+ break;
default:
break;
}
@@ -799,6 +891,11 @@
if (fNClip) {
title.prepend("<C> ");
}
+ if (LCDTextDrawFilter::kForceOn_Mode == fLCDMode) {
+ title.prepend("LCD ");
+ } else if (LCDTextDrawFilter::kForceOff_Mode == fLCDMode) {
+ title.prepend("lcd ");
+ }
this->setTitle(title.c_str());
}