| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "Resources.h" |
| #include "SkData.h" |
| #include "gm.h" |
| #include "sk_tool_utils.h" |
| |
| static void checkerboard( |
| SkCanvas* canvas, int w, int h, int size, SkColor c1, SkColor c2) { |
| SkAutoCanvasRestore autoCanvasRestore(canvas, true); |
| canvas->clipRect(SkRect::MakeWH(SkIntToScalar(w), SkIntToScalar(h))); |
| canvas->drawColor(c1); |
| SkPaint paint; |
| paint.setColor(c2); |
| SkScalar s = SkIntToScalar(size); |
| for (int y = 0; y < h; y += size) { |
| SkScalar ty = SkIntToScalar(y); |
| bool oddRow = (y % (2 * size)) != 0; |
| for (int x = oddRow ? size : 0; x < w; x += (2 * size)) { |
| SkScalar tx = SkIntToScalar(x); |
| canvas->drawRect(SkRect::MakeXYWH(tx, ty, s, s), paint); |
| } |
| } |
| } |
| |
| static void draw_bitmap(SkCanvas* canvas, const char* resource, int x, int y) { |
| SkBitmap bitmap; |
| if (GetResourceAsBitmap(resource, &bitmap)) { |
| canvas->drawBitmap(bitmap, SkIntToScalar(x), SkIntToScalar(y)); |
| } else { |
| SkDebugf("\nCould not decode file '%s'. Did you forget" |
| " to set the resourcePath?\n", resource); |
| } |
| } |
| |
| /* |
| This GM tests whether the image decoders properly decode each color |
| channel. Four copies of the same image should appear in the GM, and |
| the letter R should be red, B should be blue, G green, C cyan, M |
| magenta, Y yellow, and K black. In all but the JPEG version of the |
| image, the letters should be on a white disc on a transparent |
| background (rendered as a checkerboard). The JPEG image has a grey |
| background and compression artifacts. |
| */ |
| DEF_SIMPLE_GM(colorwheel, canvas, 256, 256) { |
| canvas->clear(SK_ColorWHITE); |
| checkerboard(canvas, 256, 556, 8, 0xFF999999, 0xFF666666); |
| draw_bitmap(canvas, "color_wheel.png", 0, 0); // top left |
| draw_bitmap(canvas, "color_wheel.gif", 128, 0); // top right |
| draw_bitmap(canvas, "color_wheel.webp", 0, 128); // bottom left |
| draw_bitmap(canvas, "color_wheel.jpg", 128, 128); // bottom right |
| } |
| |
| DEF_SIMPLE_GM(colorwheelnative, canvas, 128, 28) { |
| SkPaint paint; |
| sk_tool_utils::set_portable_typeface(&paint, NULL, SkTypeface::kBold); |
| paint.setTextSize(18.0f); |
| |
| canvas->clear(SK_ColorLTGRAY); |
| paint.setColor(SK_ColorRED); |
| canvas->drawText("R", 1, 8.0f, 20.0f, paint); |
| paint.setColor(SK_ColorGREEN); |
| canvas->drawText("G", 1, 24.0f, 20.0f, paint); |
| paint.setColor(SK_ColorBLUE); |
| canvas->drawText("B", 1, 40.0f, 20.0f, paint); |
| paint.setColor(SK_ColorCYAN); |
| canvas->drawText("C", 1, 56.0f, 20.0f, paint); |
| paint.setColor(SK_ColorMAGENTA); |
| canvas->drawText("M", 1, 72.0f, 20.0f, paint); |
| paint.setColor(SK_ColorYELLOW); |
| canvas->drawText("Y", 1, 88.0f, 20.0f, paint); |
| paint.setColor(SK_ColorBLACK); |
| canvas->drawText("K", 1, 104.0f, 20.0f, paint); |
| } |