remove remaining references to porterduff
git-svn-id: http://skia.googlecode.com/svn/trunk@236 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/bitmapfilters.cpp b/gm/bitmapfilters.cpp
new file mode 100644
index 0000000..0487fe6
--- /dev/null
+++ b/gm/bitmapfilters.cpp
@@ -0,0 +1,116 @@
+#include "gm.h"
+
+namespace skiagm {
+
+static void make_bm(SkBitmap* bm) {
+ const SkColor colors[] = {
+ SK_ColorRED, SK_ColorGREEN,
+ SK_ColorBLUE, SK_ColorWHITE
+ };
+ SkColorTable* ctable = new SkColorTable(colors, 4);
+ bm->setConfig(SkBitmap::kIndex8_Config, 2, 2);
+ bm->allocPixels(ctable);
+ ctable->unref();
+
+ *bm->getAddr8(0, 0) = 0;
+ *bm->getAddr8(1, 0) = 1;
+ *bm->getAddr8(0, 1) = 2;
+ *bm->getAddr8(1, 1) = 3;
+}
+
+static SkScalar draw_bm(SkCanvas* canvas, const SkBitmap& bm,
+ SkScalar x, SkScalar y, SkPaint* paint) {
+ canvas->drawBitmap(bm, x, y, paint);
+ return SkIntToScalar(bm.width()) * 5/4;
+}
+
+static SkScalar draw_set(SkCanvas* c, const SkBitmap& bm, SkScalar x,
+ SkPaint* p) {
+ x += draw_bm(c, bm, x, 0, p);
+ p->setFilterBitmap(true);
+ x += draw_bm(c, bm, x, 0, p);
+ p->setDither(true);
+ return x + draw_bm(c, bm, x, 0, p);
+}
+
+static const char* gConfigNames[] = {
+ "unknown config",
+ "A1",
+ "A8",
+ "Index8",
+ "565",
+ "4444",
+ "8888"
+};
+
+static SkScalar draw_row(SkCanvas* canvas, const SkBitmap& bm) {
+ SkAutoCanvasRestore acr(canvas, true);
+
+ SkPaint paint;
+ SkScalar x = 0;
+ const int scale = 32;
+
+ paint.setAntiAlias(true);
+ const char* name = gConfigNames[bm.config()];
+ canvas->drawText(name, strlen(name), x, SkIntToScalar(bm.height())*scale*5/8,
+ paint);
+ canvas->translate(SkIntToScalar(48), 0);
+
+ canvas->scale(SkIntToScalar(scale), SkIntToScalar(scale));
+
+ x += draw_set(canvas, bm, 0, &paint);
+ paint.reset();
+ paint.setAlpha(0x80);
+ draw_set(canvas, bm, x, &paint);
+ return x * scale / 3;
+}
+
+class FilterGM : public GM {
+public:
+ SkBitmap fBM8, fBM4444, fBM16, fBM32;
+
+ FilterGM() {
+ make_bm(&fBM8);
+ fBM8.copyTo(&fBM4444, SkBitmap::kARGB_4444_Config);
+ fBM8.copyTo(&fBM16, SkBitmap::kRGB_565_Config);
+ fBM8.copyTo(&fBM32, SkBitmap::kARGB_8888_Config);
+ }
+
+protected:
+ virtual SkString onShortName() {
+ return SkString("bitmapfilters");
+ }
+
+ virtual SkISize onISize() {
+ return make_isize(540, 330);
+ }
+
+ virtual void onDraw(SkCanvas* canvas) {
+ canvas->drawColor(0xFFDDDDDD);
+
+ SkScalar x = SkIntToScalar(10);
+ SkScalar y = SkIntToScalar(10);
+
+ canvas->translate(x, y);
+ y = draw_row(canvas, fBM8);
+ canvas->translate(0, y);
+ y = draw_row(canvas, fBM4444);
+ canvas->translate(0, y);
+ y = draw_row(canvas, fBM16);
+ canvas->translate(0, y);
+ draw_row(canvas, fBM32);
+ }
+
+private:
+ typedef GM INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static GM* MyFactory(void*) { return new FilterGM; }
+static GMRegistry reg(MyFactory);
+
+}
+
+
+