| Index: gfx/blit_unittest.cc
|
| ===================================================================
|
| --- gfx/blit_unittest.cc (revision 73319)
|
| +++ gfx/blit_unittest.cc (working copy)
|
| @@ -1,135 +0,0 @@
|
| -// Copyright (c) 2010 The Chromium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -#include "base/basictypes.h"
|
| -#include "gfx/blit.h"
|
| -#include "gfx/point.h"
|
| -#include "gfx/rect.h"
|
| -#include "skia/ext/platform_canvas.h"
|
| -#include "testing/gtest/include/gtest/gtest.h"
|
| -
|
| -namespace {
|
| -
|
| -// Fills the given canvas with the values by duplicating the values into each
|
| -// color channel for the corresponding pixel.
|
| -//
|
| -// Example values = {{0x0, 0x01}, {0x12, 0xFF}} would give a canvas with:
|
| -// 0x00000000 0x01010101
|
| -// 0x12121212 0xFFFFFFFF
|
| -template<int w, int h>
|
| -void SetToCanvas(skia::PlatformCanvas* canvas, uint8 values[h][w]) {
|
| - SkBitmap& bitmap = const_cast<SkBitmap&>(
|
| - canvas->getTopPlatformDevice().accessBitmap(true));
|
| - SkAutoLockPixels lock(bitmap);
|
| - ASSERT_EQ(w, bitmap.width());
|
| - ASSERT_EQ(h, bitmap.height());
|
| -
|
| - for (int y = 0; y < h; y++) {
|
| - for (int x = 0; x < w; x++) {
|
| - uint8 value = values[y][x];
|
| - *bitmap.getAddr32(x, y) =
|
| - (value << 24) | (value << 16) | (value << 8) | value;
|
| - }
|
| - }
|
| -}
|
| -
|
| -// Checks each pixel in the given canvas and see if it is made up of the given
|
| -// values, where each value has been duplicated into each channel of the given
|
| -// bitmap (see SetToCanvas above).
|
| -template<int w, int h>
|
| -void VerifyCanvasValues(skia::PlatformCanvas* canvas, uint8 values[h][w]) {
|
| - SkBitmap& bitmap = const_cast<SkBitmap&>(
|
| - canvas->getTopPlatformDevice().accessBitmap(true));
|
| - SkAutoLockPixels lock(bitmap);
|
| - ASSERT_EQ(w, bitmap.width());
|
| - ASSERT_EQ(h, bitmap.height());
|
| -
|
| - for (int y = 0; y < h; y++) {
|
| - for (int x = 0; x < w; x++) {
|
| - uint8 value = values[y][x];
|
| - uint32 expected =
|
| - (value << 24) | (value << 16) | (value << 8) | value;
|
| - ASSERT_EQ(expected, *bitmap.getAddr32(x, y));
|
| - }
|
| - }
|
| -}
|
| -
|
| -} // namespace
|
| -
|
| -TEST(Blit, ScrollCanvas) {
|
| - static const int kCanvasWidth = 5;
|
| - static const int kCanvasHeight = 5;
|
| - skia::PlatformCanvas canvas(kCanvasWidth, kCanvasHeight, true);
|
| - uint8 initial_values[kCanvasHeight][kCanvasWidth] = {
|
| - { 0x00, 0x01, 0x02, 0x03, 0x04 },
|
| - { 0x10, 0x11, 0x12, 0x13, 0x14 },
|
| - { 0x20, 0x21, 0x22, 0x23, 0x24 },
|
| - { 0x30, 0x31, 0x32, 0x33, 0x34 },
|
| - { 0x40, 0x41, 0x42, 0x43, 0x44 }};
|
| - SetToCanvas<5, 5>(&canvas, initial_values);
|
| -
|
| - // Sanity check on input.
|
| - VerifyCanvasValues<5, 5>(&canvas, initial_values);
|
| -
|
| - // Scroll none and make sure it's a NOP.
|
| - gfx::ScrollCanvas(&canvas,
|
| - gfx::Rect(0, 0, kCanvasWidth, kCanvasHeight),
|
| - gfx::Point(0, 0));
|
| - VerifyCanvasValues<5, 5>(&canvas, initial_values);
|
| -
|
| - // Scroll the center 3 pixels up one.
|
| - gfx::Rect center_three(1, 1, 3, 3);
|
| - gfx::ScrollCanvas(&canvas, center_three, gfx::Point(0, -1));
|
| - uint8 scroll_up_expected[kCanvasHeight][kCanvasWidth] = {
|
| - { 0x00, 0x01, 0x02, 0x03, 0x04 },
|
| - { 0x10, 0x21, 0x22, 0x23, 0x14 },
|
| - { 0x20, 0x31, 0x32, 0x33, 0x24 },
|
| - { 0x30, 0x31, 0x32, 0x33, 0x34 },
|
| - { 0x40, 0x41, 0x42, 0x43, 0x44 }};
|
| - VerifyCanvasValues<5, 5>(&canvas, scroll_up_expected);
|
| -
|
| - // Reset and scroll the center 3 pixels down one.
|
| - SetToCanvas<5, 5>(&canvas, initial_values);
|
| - gfx::ScrollCanvas(&canvas, center_three, gfx::Point(0, 1));
|
| - uint8 scroll_down_expected[kCanvasHeight][kCanvasWidth] = {
|
| - { 0x00, 0x01, 0x02, 0x03, 0x04 },
|
| - { 0x10, 0x11, 0x12, 0x13, 0x14 },
|
| - { 0x20, 0x11, 0x12, 0x13, 0x24 },
|
| - { 0x30, 0x21, 0x22, 0x23, 0x34 },
|
| - { 0x40, 0x41, 0x42, 0x43, 0x44 }};
|
| - VerifyCanvasValues<5, 5>(&canvas, scroll_down_expected);
|
| -
|
| - // Reset and scroll the center 3 pixels right one.
|
| - SetToCanvas<5, 5>(&canvas, initial_values);
|
| - gfx::ScrollCanvas(&canvas, center_three, gfx::Point(1, 0));
|
| - uint8 scroll_right_expected[kCanvasHeight][kCanvasWidth] = {
|
| - { 0x00, 0x01, 0x02, 0x03, 0x04 },
|
| - { 0x10, 0x11, 0x11, 0x12, 0x14 },
|
| - { 0x20, 0x21, 0x21, 0x22, 0x24 },
|
| - { 0x30, 0x31, 0x31, 0x32, 0x34 },
|
| - { 0x40, 0x41, 0x42, 0x43, 0x44 }};
|
| - VerifyCanvasValues<5, 5>(&canvas, scroll_right_expected);
|
| -
|
| - // Reset and scroll the center 3 pixels left one.
|
| - SetToCanvas<5, 5>(&canvas, initial_values);
|
| - gfx::ScrollCanvas(&canvas, center_three, gfx::Point(-1, 0));
|
| - uint8 scroll_left_expected[kCanvasHeight][kCanvasWidth] = {
|
| - { 0x00, 0x01, 0x02, 0x03, 0x04 },
|
| - { 0x10, 0x12, 0x13, 0x13, 0x14 },
|
| - { 0x20, 0x22, 0x23, 0x23, 0x24 },
|
| - { 0x30, 0x32, 0x33, 0x33, 0x34 },
|
| - { 0x40, 0x41, 0x42, 0x43, 0x44 }};
|
| - VerifyCanvasValues<5, 5>(&canvas, scroll_left_expected);
|
| -
|
| - // Diagonal scroll.
|
| - SetToCanvas<5, 5>(&canvas, initial_values);
|
| - gfx::ScrollCanvas(&canvas, center_three, gfx::Point(2, 2));
|
| - uint8 scroll_diagonal_expected[kCanvasHeight][kCanvasWidth] = {
|
| - { 0x00, 0x01, 0x02, 0x03, 0x04 },
|
| - { 0x10, 0x11, 0x12, 0x13, 0x14 },
|
| - { 0x20, 0x21, 0x22, 0x23, 0x24 },
|
| - { 0x30, 0x31, 0x32, 0x11, 0x34 },
|
| - { 0x40, 0x41, 0x42, 0x43, 0x44 }};
|
| - VerifyCanvasValues<5, 5>(&canvas, scroll_diagonal_expected);
|
| -}
|
|
|