ea3f014e2b
sk_tool_utils doesn't really fit the naming convention the rest of code under tools/ tends to use. Change-Id: I45326a174101c6eb4b6149e9c742f658f2fd23b1 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/202313 Auto-Submit: Mike Klein <mtklein@google.com> Commit-Queue: Brian Osman <brianosman@google.com> Reviewed-by: Brian Osman <brianosman@google.com>
62 lines
2.3 KiB
C++
62 lines
2.3 KiB
C++
/*
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* Copyright 2014 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "Resources.h"
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#include "SkData.h"
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#include "SkImage.h"
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#include "ToolUtils.h"
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#include "gm.h"
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static void draw_image(SkCanvas* canvas, const char* resource, int x, int y) {
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sk_sp<SkImage> image(GetResourceAsImage(resource));
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if (image) {
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canvas->drawImage(image, SkIntToScalar(x), SkIntToScalar(y));
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} else {
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SkDebugf("\nCould not decode file '%s'. Did you forget"
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" to set the resourcePath?\n", resource);
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}
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}
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/*
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This GM tests whether the image decoders properly decode each color
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channel. Four copies of the same image should appear in the GM, and
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the letter R should be red, B should be blue, G green, C cyan, M
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magenta, Y yellow, and K black. In all but the JPEG version of the
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image, the letters should be on a white disc on a transparent
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background (rendered as a checkerboard). The JPEG image has a grey
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background and compression artifacts.
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*/
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DEF_SIMPLE_GM(colorwheel, canvas, 256, 256) {
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ToolUtils::draw_checkerboard(canvas);
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draw_image(canvas, "images/color_wheel.png", 0, 0); // top left
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draw_image(canvas, "images/color_wheel.gif", 128, 0); // top right
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draw_image(canvas, "images/color_wheel.webp", 0, 128); // bottom left
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draw_image(canvas, "images/color_wheel.jpg", 128, 128); // bottom right
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}
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DEF_SIMPLE_GM(colorwheelnative, canvas, 128, 28) {
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SkPaint paint;
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SkFont font(ToolUtils::create_portable_typeface("sans-serif", SkFontStyle::Bold()), 18);
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font.setEdging(SkFont::Edging::kAlias);
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canvas->clear(SK_ColorLTGRAY);
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paint.setColor(SK_ColorRED);
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canvas->drawString("R", 8.0f, 20.0f, font, paint);
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paint.setColor(SK_ColorGREEN);
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canvas->drawString("G", 24.0f, 20.0f, font, paint);
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paint.setColor(SK_ColorBLUE);
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canvas->drawString("B", 40.0f, 20.0f, font, paint);
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paint.setColor(SK_ColorCYAN);
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canvas->drawString("C", 56.0f, 20.0f, font, paint);
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paint.setColor(SK_ColorMAGENTA);
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canvas->drawString("M", 72.0f, 20.0f, font, paint);
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paint.setColor(SK_ColorYELLOW);
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canvas->drawString("Y", 88.0f, 20.0f, font, paint);
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paint.setColor(SK_ColorBLACK);
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canvas->drawString("K", 104.0f, 20.0f, font, paint);
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}
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