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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:36 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:36 -0800 |
commit | 6eb364108744656fcd23a96a478aa772cd4e85bc (patch) | |
tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /samplecode/SampleLines.cpp | |
parent | a23c4e24d873b11674987f97f1946e1c4d97e782 (diff) | |
download | external_skia-6eb364108744656fcd23a96a478aa772cd4e85bc.zip external_skia-6eb364108744656fcd23a96a478aa772cd4e85bc.tar.gz external_skia-6eb364108744656fcd23a96a478aa772cd4e85bc.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'samplecode/SampleLines.cpp')
-rw-r--r-- | samplecode/SampleLines.cpp | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/samplecode/SampleLines.cpp b/samplecode/SampleLines.cpp deleted file mode 100644 index a0238b0..0000000 --- a/samplecode/SampleLines.cpp +++ /dev/null @@ -1,146 +0,0 @@ -#include "SampleCode.h" -#include "SkView.h" -#include "SkCanvas.h" -#include "Sk64.h" -#include "SkCornerPathEffect.h" -#include "SkGradientShader.h" -#include "SkGraphics.h" -#include "SkImageDecoder.h" -#include "SkKernel33MaskFilter.h" -#include "SkPath.h" -#include "SkRandom.h" -#include "SkRegion.h" -#include "SkShader.h" -#include "SkUtils.h" -#include "SkColorPriv.h" -#include "SkColorFilter.h" -#include "SkTime.h" -#include "SkTypeface.h" -#include "SkXfermode.h" - -#include "SkStream.h" -#include "SkXMLParser.h" -#include "SkColorPriv.h" -#include "SkImageDecoder.h" - -class LinesView : public SkView { -public: - LinesView() - { - unsigned r = 0x1F; - unsigned g = 0x3F; - for (unsigned a = 0; a <= 0xF; a++) { - unsigned scale = 16 - SkAlpha15To16(a); - unsigned sr = (a << 1) | (a >> 3); - unsigned dr = r * scale >> 4; - unsigned sg = (a << 2) | (a >> 2); - unsigned dg = g * scale >> 4; - - unsigned ssg = sg & ~(~(a >> 3) & 1); - - printf("4444 sa=%d sr=%d sg=%d da=%d dr=%d dg=%d total-r=%d total-g=%d %d\n", - a, sr, sg, scale, dr, dg, sr+dr, sg+dg, ssg+dg); - } - - for (unsigned aa = 0; aa <= 0xFF; aa++) { - unsigned invScale = SkAlpha255To256(255 - aa); - unsigned dst = SkAlphaMul(0xFF, invScale); - printf("8888 sa=%02x dst=%02x sum=%d %s\n", aa, dst, aa+dst, - (aa+dst) > 0xFF ? "OVERFLOW" : ""); - } - } - -protected: - // overrides from SkEventSink - virtual bool onQuery(SkEvent* evt) - { - if (SampleCode::TitleQ(*evt)) - { - SampleCode::TitleR(evt, "Lines"); - return true; - } - return this->INHERITED::onQuery(evt); - } - - void drawBG(SkCanvas* canvas) - { -// canvas->drawColor(0xFFDDDDDD); - canvas->drawColor(SK_ColorWHITE); - // canvas->drawColor(SK_ColorBLACK); - } - - /* - 0x1F * x + 0x1F * (32 - x) - */ - void drawRings(SkCanvas* canvas) - { - canvas->scale(SkIntToScalar(1)/2, SkIntToScalar(1)/2); - - SkRect r; - SkScalar x = SkIntToScalar(10); - SkScalar y = SkIntToScalar(10); - r.set(x, y, x + SkIntToScalar(100), y + SkIntToScalar(100)); - - SkPaint paint; - paint.setAntiAlias(true); - paint.setStyle(SkPaint::kStroke_Style); - paint.setStrokeWidth(SkScalarHalf(SkIntToScalar(3))); - paint.setColor(0xFFFF8800); - paint.setColor(0xFFFFFFFF); - canvas->drawRect(r, paint); - } - - virtual void onDraw(SkCanvas* canvas) - { - this->drawBG(canvas); - - SkBitmap bm; - SkImageDecoder::DecodeFile("/kill.gif", &bm); - canvas->drawBitmap(bm, 0, 0, NULL); - - this->drawRings(canvas); - return; - - SkPaint paint; - - // fAlpha = 0x80; - paint.setColor(SK_ColorWHITE); - paint.setAlpha(fAlpha & 0xFF); - SkRect r; - - SkScalar x = SkIntToScalar(10); - SkScalar y = SkIntToScalar(10); - r.set(x, y, x + SkIntToScalar(100), y + SkIntToScalar(100)); - canvas->drawRect(r, paint); - return; - - paint.setColor(0xffffff00); // yellow - paint.setStyle(SkPaint::kStroke_Style); - paint.setStrokeWidth(SkIntToScalar(2)); - -// y += SK_Scalar1/2; - - canvas->drawLine(x, y, x + SkIntToScalar(90), y + SkIntToScalar(90), paint); - - paint.setAntiAlias(true); // with anti-aliasing - y += SkIntToScalar(10); - canvas->drawLine(x, y, x + SkIntToScalar(90), y + SkIntToScalar(90), paint); - } - - virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) - { - fAlpha = SkScalarRound(y); - this->inval(NULL); - return NULL; - } -private: - - int fAlpha; - typedef SkView INHERITED; -}; - -////////////////////////////////////////////////////////////////////////////// - -static SkView* MyFactory() { return new LinesView; } -static SkViewRegister reg(MyFactory); - |