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-rw-r--r--gfx/blit_unittest.cc135
1 files changed, 0 insertions, 135 deletions
diff --git a/gfx/blit_unittest.cc b/gfx/blit_unittest.cc
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--- a/gfx/blit_unittest.cc
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@@ -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);
-}