2015-03-20 19:31:52 +00:00
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/*
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* Copyright 2015 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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2019-04-23 17:05:21 +00:00
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#include "gm/gm.h"
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2019-04-30 17:44:26 +00:00
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#include "include/core/SkBitmap.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkColor.h"
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#include "include/core/SkColorSpace.h"
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#include "include/core/SkFont.h"
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#include "include/core/SkFontStyle.h"
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#include "include/core/SkFontTypes.h"
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#include "include/core/SkImage.h"
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#include "include/core/SkImageInfo.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkPixmap.h"
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#include "include/core/SkRect.h"
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#include "include/core/SkRefCnt.h"
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#include "include/core/SkScalar.h"
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#include "include/core/SkTypeface.h"
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#include "include/core/SkTypes.h"
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2019-04-23 17:05:21 +00:00
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#include "tools/Resources.h"
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#include "tools/ToolUtils.h"
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2015-03-20 19:31:52 +00:00
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2019-04-30 17:44:26 +00:00
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#include <string.h>
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#include <initializer_list>
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2015-03-20 19:31:52 +00:00
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static SkBitmap copy_bitmap(const SkBitmap& src, SkColorType colorType) {
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2017-04-28 15:15:22 +00:00
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const SkBitmap* srcPtr = &src;
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SkBitmap tmp(src);
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if (kRGB_565_SkColorType == colorType) {
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tmp.setAlphaType(kOpaque_SkAlphaType);
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srcPtr = &tmp;
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}
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2015-03-20 19:31:52 +00:00
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SkBitmap copy;
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2019-03-20 16:12:10 +00:00
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ToolUtils::copy_to(©, colorType, *srcPtr);
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2015-03-20 19:31:52 +00:00
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copy.setImmutable();
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return copy;
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}
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#define SCALE 128
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// Make either A8 or gray8 bitmap.
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static SkBitmap make_bitmap(SkColorType ct) {
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SkBitmap bm;
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switch (ct) {
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case kAlpha_8_SkColorType:
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bm.allocPixels(SkImageInfo::MakeA8(SCALE, SCALE));
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break;
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case kGray_8_SkColorType:
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bm.allocPixels(
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SkImageInfo::Make(SCALE, SCALE, ct, kOpaque_SkAlphaType));
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break;
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default:
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SkASSERT(false);
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return bm;
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}
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uint8_t spectrum[256];
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for (int y = 0; y < 256; ++y) {
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spectrum[y] = y;
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}
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for (int y = 0; y < 128; ++y) {
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// Shift over one byte each scanline.
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memcpy(bm.getAddr8(0, y), &spectrum[y], 128);
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}
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bm.setImmutable();
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return bm;
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}
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2018-12-02 21:04:27 +00:00
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static void draw_center_letter(char c, const SkFont& font, SkColor color,
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SkScalar x, SkScalar y, SkCanvas* canvas) {
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2015-03-20 19:31:52 +00:00
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SkRect bounds;
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2019-05-07 19:38:46 +00:00
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font.measureText(&c, 1, SkTextEncoding::kUTF8, &bounds);
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canvas->drawSimpleText(&c, 1, SkTextEncoding::kUTF8,
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2018-12-02 21:04:27 +00:00
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x - bounds.centerX(), y - bounds.centerY(),
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2019-05-02 15:31:28 +00:00
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font, SkPaint(SkColor4f::FromColor(color)));
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2015-03-20 19:31:52 +00:00
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}
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static void color_wheel_native(SkCanvas* canvas) {
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SkAutoCanvasRestore autoCanvasRestore(canvas, true);
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canvas->translate(0.5f * SCALE, 0.5f * SCALE);
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2019-05-02 15:31:28 +00:00
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canvas->drawCircle(0.0f, 0.0f, SCALE * 0.5f, SkPaint(SkColors::kWhite));
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2015-03-20 19:31:52 +00:00
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const double sqrt_3_over_2 = 0.8660254037844387;
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const SkScalar Z = 0.0f;
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const SkScalar D = 0.3f * SkIntToScalar(SCALE);
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const SkScalar X = SkDoubleToScalar(D * sqrt_3_over_2);
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const SkScalar Y = D * SK_ScalarHalf;
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2018-12-02 21:04:27 +00:00
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SkFont font;
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font.setEdging(SkFont::Edging::kAlias);
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2019-03-20 16:12:10 +00:00
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font.setTypeface(ToolUtils::create_portable_typeface(nullptr, SkFontStyle::Bold()));
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2018-12-02 21:04:27 +00:00
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font.setSize(0.28125f * SCALE);
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draw_center_letter('K', font, SK_ColorBLACK, Z, Z, canvas);
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draw_center_letter('R', font, SK_ColorRED, Z, D, canvas);
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draw_center_letter('G', font, SK_ColorGREEN, -X, -Y, canvas);
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draw_center_letter('B', font, SK_ColorBLUE, X, -Y, canvas);
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draw_center_letter('C', font, SK_ColorCYAN, Z, -D, canvas);
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draw_center_letter('M', font, SK_ColorMAGENTA, X, Y, canvas);
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draw_center_letter('Y', font, SK_ColorYELLOW, -X, Y, canvas);
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2015-03-20 19:31:52 +00:00
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}
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template <typename T>
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int find(T* array, int N, T item) {
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for (int i = 0; i < N; ++i) {
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if (array[i] == item) {
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return i;
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}
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}
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return -1;
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}
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static void draw(SkCanvas* canvas,
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const SkPaint& p,
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2019-01-04 20:57:33 +00:00
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const SkFont& font,
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2015-03-20 19:31:52 +00:00
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const SkBitmap& src,
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SkColorType colorType,
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const char text[]) {
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SkASSERT(src.colorType() == colorType);
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canvas->drawBitmap(src, 0.0f, 0.0f);
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2019-05-07 19:38:46 +00:00
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canvas->drawSimpleText(text, strlen(text), SkTextEncoding::kUTF8, 0.0f, 12.0f, font, p);
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2015-03-20 19:31:52 +00:00
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}
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2018-09-12 15:48:38 +00:00
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DEF_SIMPLE_GM(all_bitmap_configs, canvas, SCALE, 6 * SCALE) {
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2015-03-20 19:31:52 +00:00
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SkAutoCanvasRestore autoCanvasRestore(canvas, true);
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2019-05-02 15:31:28 +00:00
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SkPaint p(SkColors::kBlack);
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2015-03-20 19:31:52 +00:00
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p.setAntiAlias(true);
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2019-01-04 20:57:33 +00:00
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2019-03-20 16:12:10 +00:00
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SkFont font(ToolUtils::create_portable_typeface());
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2015-03-20 19:31:52 +00:00
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2019-03-20 16:12:10 +00:00
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ToolUtils::draw_checkerboard(canvas, SK_ColorLTGRAY, SK_ColorWHITE, 8);
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2015-03-20 19:31:52 +00:00
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SkBitmap bitmap;
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2017-12-08 15:21:31 +00:00
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if (GetResourceAsBitmap("images/color_wheel.png", &bitmap)) {
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2015-03-20 19:31:52 +00:00
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bitmap.setImmutable();
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2019-01-04 20:57:33 +00:00
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draw(canvas, p, font, bitmap, kN32_SkColorType, "Native 32");
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2015-03-20 19:31:52 +00:00
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canvas->translate(0.0f, SkIntToScalar(SCALE));
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SkBitmap copy565 = copy_bitmap(bitmap, kRGB_565_SkColorType);
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p.setColor(SK_ColorRED);
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2019-01-04 20:57:33 +00:00
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draw(canvas, p, font, copy565, kRGB_565_SkColorType, "RGB 565");
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2015-03-20 19:31:52 +00:00
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p.setColor(SK_ColorBLACK);
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canvas->translate(0.0f, SkIntToScalar(SCALE));
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SkBitmap copy4444 = copy_bitmap(bitmap, kARGB_4444_SkColorType);
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2019-01-04 20:57:33 +00:00
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draw(canvas, p, font, copy4444, kARGB_4444_SkColorType, "ARGB 4444");
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2018-09-12 15:48:38 +00:00
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canvas->translate(0.0f, SkIntToScalar(SCALE));
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SkBitmap copyF16 = copy_bitmap(bitmap, kRGBA_F16_SkColorType);
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2019-01-04 20:57:33 +00:00
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draw(canvas, p, font, copyF16, kRGBA_F16_SkColorType, "RGBA F16");
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2018-09-12 15:48:38 +00:00
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2015-03-20 19:31:52 +00:00
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} else {
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2018-09-12 15:48:38 +00:00
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canvas->translate(0.0f, SkIntToScalar(3 * SCALE));
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2015-03-20 19:31:52 +00:00
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}
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canvas->translate(0.0f, SkIntToScalar(SCALE));
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SkBitmap bitmapA8 = make_bitmap(kAlpha_8_SkColorType);
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2019-01-04 20:57:33 +00:00
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draw(canvas, p, font, bitmapA8, kAlpha_8_SkColorType, "Alpha 8");
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2015-03-20 19:31:52 +00:00
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p.setColor(SK_ColorRED);
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canvas->translate(0.0f, SkIntToScalar(SCALE));
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SkBitmap bitmapG8 = make_bitmap(kGray_8_SkColorType);
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2019-01-04 20:57:33 +00:00
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draw(canvas, p, font, bitmapG8, kGray_8_SkColorType, "Gray 8");
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2015-03-20 19:31:52 +00:00
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}
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2015-11-06 15:27:23 +00:00
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2016-03-17 17:51:11 +00:00
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sk_sp<SkImage> make_not_native32_color_wheel() {
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2015-11-06 15:27:23 +00:00
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SkBitmap n32bitmap, notN32bitmap;
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n32bitmap.allocN32Pixels(SCALE, SCALE);
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n32bitmap.eraseColor(SK_ColorTRANSPARENT);
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SkCanvas n32canvas(n32bitmap);
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color_wheel_native(&n32canvas);
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#if SK_PMCOLOR_BYTE_ORDER(B,G,R,A)
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const SkColorType ct = kRGBA_8888_SkColorType;
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#elif SK_PMCOLOR_BYTE_ORDER(R,G,B,A)
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const SkColorType ct = kBGRA_8888_SkColorType;
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#endif
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static_assert(ct != kN32_SkColorType, "BRGA!=RGBA");
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2019-03-20 16:12:10 +00:00
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SkAssertResult(ToolUtils::copy_to(¬N32bitmap, ct, n32bitmap));
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2015-11-06 15:27:23 +00:00
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SkASSERT(notN32bitmap.colorType() == ct);
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2016-03-17 17:51:11 +00:00
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return SkImage::MakeFromBitmap(notN32bitmap);
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2015-11-06 15:27:23 +00:00
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}
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DEF_SIMPLE_GM(not_native32_bitmap_config, canvas, SCALE, SCALE) {
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2016-03-17 17:51:11 +00:00
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sk_sp<SkImage> notN32image(make_not_native32_color_wheel());
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2015-11-06 15:27:23 +00:00
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SkASSERT(notN32image);
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2019-03-20 16:12:10 +00:00
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ToolUtils::draw_checkerboard(canvas, SK_ColorLTGRAY, SK_ColorWHITE, 8);
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2016-03-17 17:51:11 +00:00
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canvas->drawImage(notN32image.get(), 0.0f, 0.0f);
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2015-11-06 15:27:23 +00:00
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}
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2016-06-03 16:44:53 +00:00
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static uint32_t make_pixel(int x, int y, SkAlphaType alphaType) {
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SkASSERT(x >= 0 && x < SCALE);
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SkASSERT(y >= 0 && y < SCALE);
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SkScalar R = SCALE / 2.0f;
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uint32_t alpha = 0x00;
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if ((x - R) * (x - R) + (y - R) * (y - R) < R * R) {
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alpha = 0xFF;
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}
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uint32_t component;
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switch (alphaType) {
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case kPremul_SkAlphaType:
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component = alpha;
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break;
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case kUnpremul_SkAlphaType:
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component = 0xFF;
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break;
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default:
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2017-08-16 14:53:04 +00:00
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SK_ABORT("Should not get here - invalid alpha type");
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2016-06-03 16:44:53 +00:00
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}
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return alpha << 24 | component;
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}
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static void make_color_test_bitmap_variant(
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SkColorType colorType,
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SkAlphaType alphaType,
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2016-06-20 15:25:02 +00:00
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sk_sp<SkColorSpace> colorSpace,
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2016-06-03 16:44:53 +00:00
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SkBitmap* bm)
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{
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SkASSERT(colorType == kRGBA_8888_SkColorType || colorType == kBGRA_8888_SkColorType);
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SkASSERT(alphaType == kPremul_SkAlphaType || alphaType == kUnpremul_SkAlphaType);
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bm->allocPixels(
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2016-06-20 15:25:02 +00:00
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SkImageInfo::Make(SCALE, SCALE, colorType, alphaType, colorSpace));
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2017-12-15 02:13:47 +00:00
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const SkPixmap& pm = bm->pixmap();
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2017-12-14 20:33:23 +00:00
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for (int y = 0; y < pm.height(); y++) {
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for (int x = 0; x < pm.width(); x++) {
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2016-06-03 16:44:53 +00:00
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*pm.writable_addr32(x, y) = make_pixel(x, y, alphaType);
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}
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}
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}
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Revert "explictly fail to draw unpremul, as this is buggy, incomplete, tricky, and unused"
This reverts commit 1baaacac74d24604e3dfca9857fbd647df375997.
Reason for revert: Failing the roll: https://storage.googleapis.com/chromium-layout-test-archives/linux_trusty_blink_rel/3868/layout-test-results/results.html
Original change's description:
> explictly fail to draw unpremul, as this is buggy, incomplete, tricky, and unused
>
> BUG=skia:
>
> Change-Id: Ie9da6015cc4955c0f27f6db53fc6ae532e0132f4
> Reviewed-on: https://skia-review.googlesource.com/7304
> Commit-Queue: Mike Reed <reed@google.com>
> Reviewed-by: Matt Sarett <msarett@google.com>
>
TBR=bsalomon@google.com,msarett@google.com,brianosman@google.com,reed@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:
Change-Id: Ifc808a430b8afe4fef6df3775c2bfdcede1a2dd7
Reviewed-on: https://skia-review.googlesource.com/7329
Commit-Queue: Joe Gregorio <jcgregorio@google.com>
Reviewed-by: Joe Gregorio <jcgregorio@google.com>
2017-01-20 14:21:27 +00:00
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DEF_SIMPLE_GM(all_variants_8888, canvas, 4 * SCALE + 30, 2 * SCALE + 10) {
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2019-03-20 16:12:10 +00:00
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ToolUtils::draw_checkerboard(canvas, SK_ColorLTGRAY, SK_ColorWHITE, 8);
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2016-06-03 16:44:53 +00:00
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2016-06-20 15:25:02 +00:00
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sk_sp<SkColorSpace> colorSpaces[] {
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2017-02-07 18:56:11 +00:00
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SkColorSpace::MakeSRGB(),
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2016-06-20 15:25:02 +00:00
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nullptr,
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};
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2020-07-31 00:24:57 +00:00
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for (const sk_sp<SkColorSpace>& colorSpace : colorSpaces) {
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2016-06-03 16:44:53 +00:00
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canvas->save();
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for (auto alphaType : {kPremul_SkAlphaType, kUnpremul_SkAlphaType}) {
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canvas->save();
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for (auto colorType : {kRGBA_8888_SkColorType, kBGRA_8888_SkColorType}) {
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SkBitmap bm;
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2016-06-20 15:25:02 +00:00
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make_color_test_bitmap_variant(colorType, alphaType, colorSpace, &bm);
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2016-06-03 16:44:53 +00:00
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canvas->drawBitmap(bm, 0.0f, 0.0f);
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canvas->translate(SCALE + 10, 0.0f);
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}
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canvas->restore();
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Revert "explictly fail to draw unpremul, as this is buggy, incomplete, tricky, and unused"
This reverts commit 1baaacac74d24604e3dfca9857fbd647df375997.
Reason for revert: Failing the roll: https://storage.googleapis.com/chromium-layout-test-archives/linux_trusty_blink_rel/3868/layout-test-results/results.html
Original change's description:
> explictly fail to draw unpremul, as this is buggy, incomplete, tricky, and unused
>
> BUG=skia:
>
> Change-Id: Ie9da6015cc4955c0f27f6db53fc6ae532e0132f4
> Reviewed-on: https://skia-review.googlesource.com/7304
> Commit-Queue: Mike Reed <reed@google.com>
> Reviewed-by: Matt Sarett <msarett@google.com>
>
TBR=bsalomon@google.com,msarett@google.com,brianosman@google.com,reed@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:
Change-Id: Ifc808a430b8afe4fef6df3775c2bfdcede1a2dd7
Reviewed-on: https://skia-review.googlesource.com/7329
Commit-Queue: Joe Gregorio <jcgregorio@google.com>
Reviewed-by: Joe Gregorio <jcgregorio@google.com>
2017-01-20 14:21:27 +00:00
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canvas->translate(0.0f, SCALE + 10);
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2016-06-03 16:44:53 +00:00
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}
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canvas->restore();
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canvas->translate(2 * (SCALE + 10), 0.0f);
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}
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}
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