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author | commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2014-02-13 17:14:46 +0000 |
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committer | commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2014-02-13 17:14:46 +0000 |
commit | c3bd8af6d5722e854feca70c40d92f4954c5b67b (patch) | |
tree | d66f5fa5e139469c523882685cd1dfb4c8f83529 /gm/aaclip.cpp | |
parent | e1df56579f815fe1f788380e9342abe5284bab51 (diff) |
add peekPixels to SkCanvas and SkSurface
fix reference to SkBaseDevice, which was only a problem in no-gpu build
This reverts commit 4fa44a6bf73891b21917fb90d02beef9143bffa3.
R=reed@google.com
Author: reed@chromium.org
Review URL: https://codereview.chromium.org/163603003
git-svn-id: http://skia.googlecode.com/svn/trunk@13432 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'gm/aaclip.cpp')
-rw-r--r-- | gm/aaclip.cpp | 219 |
1 files changed, 5 insertions, 214 deletions
diff --git a/gm/aaclip.cpp b/gm/aaclip.cpp index ec29a4f896..5742902f09 100644 --- a/gm/aaclip.cpp +++ b/gm/aaclip.cpp @@ -9,203 +9,11 @@ #include "SkCanvas.h" #include "SkPath.h" -static void test_quadstroke(SkCanvas* canvas) { - SkPath path; - path.moveTo(6, 0); - path.quadTo(150, 150, 0, 6); - - SkPaint paint; - - paint.setAntiAlias(true); - paint.setStyle(SkPaint::kStroke_Style); - canvas->translate(20, 20); - -#if 1 - canvas->drawPath(path, paint); - canvas->translate(100, 0); -#endif - - paint.setStrokeWidth(1.01f); - canvas->drawPath(path, paint); -} - -static void draw_conic(SkCanvas* canvas, SkScalar weight, const SkPaint& paint) { - SkPath path; - path.moveTo(100, 100); - path.conicTo(300, 100, 300, 300, weight); - canvas->drawPath(path, paint); -} - -static void test_conic(SkCanvas* canvas) { - SkPaint paint; - paint.setAntiAlias(true); - paint.setStyle(SkPaint::kStroke_Style); - - static const struct { - SkScalar fWeight; - SkColor fColor; - } gRec[] = { - { 2 , SK_ColorRED }, - { 1 , SK_ColorGREEN }, - { 0.5f, SK_ColorBLUE }, - }; - - for (SkScalar width = 0; width <= 20; width += 20) { - canvas->save(); - paint.setStrokeWidth(width); - for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); ++i) { - paint.setColor(gRec[i].fColor); - draw_conic(canvas, gRec[i].fWeight, paint); - canvas->translate(-30, 30); - } - canvas->restore(); - canvas->translate(300, 0); - } -} - -#include "SkGradientShader.h" -static void test_shallow_gradient(SkCanvas* canvas, SkScalar width, SkScalar height) { - SkColor colors[] = { 0xFF7F7F7F, 0xFF7F7F7F, 0xFF000000 }; - SkScalar pos[] = { 0, 0.35f, SK_Scalar1 }; - SkPoint pts[] = { { 0, 0 }, { width, height } }; - SkShader* s = SkGradientShader::CreateLinear(pts, colors, pos, - SK_ARRAY_COUNT(colors), - SkShader::kClamp_TileMode); - SkPaint paint; - paint.setShader(s)->unref(); - canvas->drawPaint(paint); -} - -#include "SkDashPathEffect.h" -static void test_giant_dash(SkCanvas* canvas) { - SkPaint paint; - const SkScalar intervals[] = { SK_Scalar1, SK_Scalar1 }; - - paint.setStrokeWidth(2); - paint.setPathEffect(new SkDashPathEffect(intervals, 2, 0))->unref(); - - SkScalar big = 500 * 1000; - - canvas->drawLine(10, 10, big, 10, paint); - canvas->drawLine(-big, 20, 500, 20, paint); - canvas->drawLine(-big, 30, big, 30, paint); - - const SkScalar intervals2[] = { 20, 5, 10, 5 }; - paint.setPathEffect(new SkDashPathEffect(intervals2, 4, 17))->unref(); - - canvas->translate(0, 40); - SkScalar x = -500; - SkScalar width = 3173; - for (int i = 0; i < 40; ++i) { - if (i > 10) - canvas->drawLine(x, 0, x + width, 0, paint); - x += 1; - canvas->translate(0, 4); - } -} - - - -// Reproduces bug found here: http://jsfiddle.net/R8Cu5/1/ -// -#include "SkGradientShader.h" -static void test_grad(SkCanvas* canvas) { - SkPoint pts[] = { - { 478.544067f, -84.2041016f }, - { 602.455933f, 625.204102f }, - }; - SkColor colors[] = { SK_ColorBLACK, SK_ColorBLACK, SK_ColorRED, SK_ColorRED }; - SkScalar pos[] = { 0, 0.3f, 0.3f, 1.0f }; - SkShader* s = SkGradientShader::CreateLinear(pts, colors, pos, 4, SkShader::kClamp_TileMode); - SkPaint p; - p.setShader(s)->unref(); - canvas->drawPaint(p); -} - -static SkCanvas* MakeCanvas(const SkIRect& bounds) { - SkBitmap bm; - bm.allocN32Pixels(bounds.width(), bounds.height()); - bm.eraseColor(SK_ColorTRANSPARENT); - - SkCanvas* canvas = new SkCanvas(bm); - canvas->translate(-SkIntToScalar(bounds.fLeft), -SkIntToScalar(bounds.fTop)); - return canvas; -} - -#ifdef SK_DEBUG -static void GetBitmap(const SkCanvas* canvas, SkBitmap* bm) { - *bm = canvas->getDevice()->accessBitmap(false); -} -#endif - -static void compare_canvas(const SkCanvas* a, const SkCanvas* b) { -#ifdef SK_DEBUG - SkBitmap bma, bmb; - GetBitmap(a, &bma); - GetBitmap(b, &bmb); - - SkASSERT(bma.width() == bmb.width()); - SkASSERT(bma.height() == bmb.height()); - - bma.lockPixels(); - bmb.lockPixels(); - for (int y = 0; y < bma.height(); ++y) { - const SkPMColor* rowa = bma.getAddr32(0, y); - const SkPMColor* rowb = bmb.getAddr32(0, y); - SkASSERT(!memcmp(rowa, rowb, bma.width() << 2)); - - for (int x = 1; x < bma.width() - 1; ++x) { - SkASSERT(0xFF000000 == rowa[x]); - SkASSERT(0xFF000000 == rowb[x]); - } - } -#endif -} - -static void drawRectAsPath(SkCanvas* canvas, const SkRect& r, const SkPaint& p) { - SkPath path; - path.addRect(r); - canvas->drawPath(path, p); -} - -static void test_maskFromPath(const SkPath& path) { - SkIRect bounds; - path.getBounds().roundOut(&bounds); - - SkPaint paint; - paint.setAntiAlias(true); - - SkAutoTUnref<SkCanvas> path_canvas(MakeCanvas(bounds)); - path_canvas->drawPath(path, paint); - - SkAutoTUnref<SkCanvas> rect_canvas(MakeCanvas(bounds)); - drawRectAsPath(rect_canvas, path.getBounds(), paint); - - compare_canvas(path_canvas, rect_canvas); -} - -static void test_mask() { - for (int i = 1; i <= 20; ++i) { - const SkScalar dx = SK_Scalar1 / i; - const SkRect constr = SkRect::MakeWH(dx, SkIntToScalar(2)); - for (int n = 2; n < 20; ++n) { - SkPath path; - path.setFillType(SkPath::kEvenOdd_FillType); - SkRect r = constr; - while (r.fRight < SkIntToScalar(4)) { - path.addRect(r); - r.offset(dx, 0); - } - test_maskFromPath(path); - } - } -} - /** Draw a 2px border around the target, then red behind the target; set the clip to match the target, then draw >> the target in blue. */ -static void draw (SkCanvas* canvas, SkRect& target, int x, int y) { +static void draw(SkCanvas* canvas, SkRect& target, int x, int y) { SkPaint borderPaint; borderPaint.setColor(SkColorSetRGB(0x0, 0xDD, 0x0)); borderPaint.setAntiAlias(true); @@ -228,22 +36,22 @@ static void draw (SkCanvas* canvas, SkRect& target, int x, int y) { canvas->restore(); } -static void draw_square (SkCanvas* canvas, int x, int y) { +static void draw_square(SkCanvas* canvas, int x, int y) { SkRect target (SkRect::MakeWH(10 * SK_Scalar1, 10 * SK_Scalar1)); draw(canvas, target, x, y); } -static void draw_column (SkCanvas* canvas, int x, int y) { +static void draw_column(SkCanvas* canvas, int x, int y) { SkRect target (SkRect::MakeWH(1 * SK_Scalar1, 10 * SK_Scalar1)); draw(canvas, target, x, y); } -static void draw_bar (SkCanvas* canvas, int x, int y) { +static void draw_bar(SkCanvas* canvas, int x, int y) { SkRect target (SkRect::MakeWH(10 * SK_Scalar1, 1 * SK_Scalar1)); draw(canvas, target, x, y); } -static void draw_rect_tests (SkCanvas* canvas) { +static void draw_rect_tests(SkCanvas* canvas) { draw_square(canvas, 10, 10); draw_column(canvas, 30, 10); draw_bar(canvas, 10, 30); @@ -272,23 +80,6 @@ protected: } virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { - if (false) { test_quadstroke(canvas); return; } - if (false) { test_conic(canvas); return; } - if (false) { - SkRect bounds; - canvas->getClipBounds(&bounds); - test_shallow_gradient(canvas, bounds.width(), bounds.height()); return; - } - if (false) { - test_giant_dash(canvas); return; - } - if (false) { - test_grad(canvas); return; - } - if (false) { // avoid bit rot, suppress warning - test_mask(); - } - // Initial pixel-boundary-aligned draw draw_rect_tests(canvas); |