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Side by Side Diff: content/common/cursors/webcursor_unittest.cc

Issue 2808763009: Allow content embedder to set a cursor for RenderWidgetHost (Closed)
Patch Set: comment Created 3 years, 8 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include <stddef.h> 5 #include <stddef.h>
6 6
7 #include "base/pickle.h" 7 #include "base/pickle.h"
8 #include "build/build_config.h" 8 #include "build/build_config.h"
9 #include "content/common/cursors/webcursor.h" 9 #include "content/common/cursors/webcursor.h"
10 #include "testing/gtest/include/gtest/gtest.h" 10 #include "testing/gtest/include/gtest/gtest.h"
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154 // Data len including enough data for a 2x2 image. 154 // Data len including enough data for a 2x2 image.
155 ok_custom_pickle.WriteInt(4 * 4); 155 ok_custom_pickle.WriteInt(4 * 4);
156 for (size_t i = 0; i < 4; i++) 156 for (size_t i = 0; i < 4; i++)
157 ok_custom_pickle.WriteUInt32(0); 157 ok_custom_pickle.WriteUInt32(0);
158 // Custom Windows message. 158 // Custom Windows message.
159 ok_custom_pickle.WriteUInt32(0); 159 ok_custom_pickle.WriteUInt32(0);
160 base::PickleIterator iter(ok_custom_pickle); 160 base::PickleIterator iter(ok_custom_pickle);
161 EXPECT_TRUE(custom_cursor.Deserialize(&iter)); 161 EXPECT_TRUE(custom_cursor.Deserialize(&iter));
162 162
163 // Convert to WebCursorInfo, make sure the hotspot got clamped. 163 // Convert to WebCursorInfo, make sure the hotspot got clamped.
164 WebCursor::CursorInfo info; 164 CursorInfo info;
165 custom_cursor.GetCursorInfo(&info); 165 custom_cursor.GetCursorInfo(&info);
166 EXPECT_EQ(gfx::Point(1, 1), info.hotspot); 166 EXPECT_EQ(gfx::Point(1, 1), info.hotspot);
167 167
168 // Set hotspot to an invalid point again, pipe back through WebCursor, 168 // Set hotspot to an invalid point again, pipe back through WebCursor,
169 // and make sure the hotspot got clamped again. 169 // and make sure the hotspot got clamped again.
170 info.hotspot = gfx::Point(-1, -1); 170 info.hotspot = gfx::Point(-1, -1);
171 custom_cursor.InitFromCursorInfo(info); 171 custom_cursor.InitFromCursorInfo(info);
172 custom_cursor.GetCursorInfo(&info); 172 custom_cursor.GetCursorInfo(&info);
173 EXPECT_EQ(gfx::Point(0, 0), info.hotspot); 173 EXPECT_EQ(gfx::Point(0, 0), info.hotspot);
174 } 174 }
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217 base::PickleIterator iter(ok_custom_pickle); 217 base::PickleIterator iter(ok_custom_pickle);
218 EXPECT_TRUE(custom_cursor.Deserialize(&iter)); 218 EXPECT_TRUE(custom_cursor.Deserialize(&iter));
219 } 219 }
220 220
221 TEST(WebCursorTest, AlphaConversion) { 221 TEST(WebCursorTest, AlphaConversion) {
222 SkBitmap bitmap; 222 SkBitmap bitmap;
223 SkPMColor testColor = SkPreMultiplyARGB(10, 255, 255, 255); 223 SkPMColor testColor = SkPreMultiplyARGB(10, 255, 255, 255);
224 bitmap.allocN32Pixels(1,1); 224 bitmap.allocN32Pixels(1,1);
225 SkAutoLockPixels bitmap_lock(bitmap); 225 SkAutoLockPixels bitmap_lock(bitmap);
226 *bitmap.getAddr32(0, 0) = testColor; 226 *bitmap.getAddr32(0, 0) = testColor;
227 WebCursor::CursorInfo cursor_info; 227 CursorInfo cursor_info;
228 cursor_info.type = WebCursorInfo::kTypeCustom; 228 cursor_info.type = WebCursorInfo::kTypeCustom;
229 cursor_info.custom_image = bitmap; 229 cursor_info.custom_image = bitmap;
230 cursor_info.image_scale_factor = 1; 230 cursor_info.image_scale_factor = 1;
231 WebCursor custom_cursor; 231 WebCursor custom_cursor;
232 232
233 // This round trip will convert the cursor to unpremultiplied form. 233 // This round trip will convert the cursor to unpremultiplied form.
234 custom_cursor.InitFromCursorInfo(cursor_info); 234 custom_cursor.InitFromCursorInfo(cursor_info);
235 custom_cursor.GetCursorInfo(&cursor_info); 235 custom_cursor.GetCursorInfo(&cursor_info);
236 { 236 {
237 SkAutoLockPixels lock(cursor_info.custom_image); 237 SkAutoLockPixels lock(cursor_info.custom_image);
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263 SkPreMultiplyColor(*cursor_info.custom_image.getAddr32(0,0))); 263 SkPreMultiplyColor(*cursor_info.custom_image.getAddr32(0,0)));
264 } 264 }
265 #endif 265 #endif
266 } 266 }
267 267
268 #if defined(USE_AURA) 268 #if defined(USE_AURA)
269 TEST(WebCursorTest, CursorScaleFactor) { 269 TEST(WebCursorTest, CursorScaleFactor) {
270 display::Display display; 270 display::Display display;
271 display.set_device_scale_factor(80.2f); 271 display.set_device_scale_factor(80.2f);
272 272
273 WebCursor::CursorInfo info; 273 CursorInfo info;
274 info.image_scale_factor = 2.0f; 274 info.image_scale_factor = 2.0f;
275 275
276 WebCursor cursor; 276 WebCursor cursor;
277 cursor.InitFromCursorInfo(info); 277 cursor.InitFromCursorInfo(info);
278 cursor.SetDisplayInfo(display); 278 cursor.SetDisplayInfo(display);
279 279
280 EXPECT_EQ(40.1f, cursor.GetCursorScaleFactor()); 280 EXPECT_EQ(40.1f, cursor.GetCursorScaleFactor());
281 } 281 }
282 282
283 TEST(WebCursorTest, UnscaledImageCopy) { 283 TEST(WebCursorTest, UnscaledImageCopy) {
284 WebCursor::CursorInfo info; 284 CursorInfo info;
285 info.type = WebCursorInfo::kTypeCustom; 285 info.type = WebCursorInfo::kTypeCustom;
286 info.hotspot = gfx::Point(0, 1); 286 info.hotspot = gfx::Point(0, 1);
287 287
288 SkImageInfo image_info = SkImageInfo::MakeN32(2, 2, kUnpremul_SkAlphaType); 288 SkImageInfo image_info = SkImageInfo::MakeN32(2, 2, kUnpremul_SkAlphaType);
289 info.custom_image = SkBitmap(); 289 info.custom_image = SkBitmap();
290 info.custom_image.setInfo(image_info); 290 info.custom_image.setInfo(image_info);
291 info.custom_image.allocN32Pixels(2, 2); 291 info.custom_image.allocN32Pixels(2, 2);
292 info.custom_image.eraseColor(0xFFFFFFFF); 292 info.custom_image.eraseColor(0xFFFFFFFF);
293 293
294 WebCursor cursor; 294 WebCursor cursor;
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318 } 318 }
319 #endif 319 #endif
320 320
321 #if defined(OS_WIN) 321 #if defined(OS_WIN)
322 namespace { 322 namespace {
323 323
324 void ScaleCursor(float scale_factor, int hotspot_x, int hotspot_y) { 324 void ScaleCursor(float scale_factor, int hotspot_x, int hotspot_y) {
325 display::Display display; 325 display::Display display;
326 display.set_device_scale_factor(scale_factor); 326 display.set_device_scale_factor(scale_factor);
327 327
328 WebCursor::CursorInfo info; 328 CursorInfo info;
329 info.type = WebCursorInfo::kTypeCustom; 329 info.type = WebCursorInfo::kTypeCustom;
330 info.hotspot = gfx::Point(hotspot_x, hotspot_y); 330 info.hotspot = gfx::Point(hotspot_x, hotspot_y);
331 331
332 info.custom_image = SkBitmap(); 332 info.custom_image = SkBitmap();
333 info.custom_image.allocN32Pixels(10, 10); 333 info.custom_image.allocN32Pixels(10, 10);
334 info.custom_image.eraseColor(0); 334 info.custom_image.eraseColor(0);
335 335
336 WebCursor cursor; 336 WebCursor cursor;
337 cursor.SetDisplayInfo(display); 337 cursor.SetDisplayInfo(display);
338 cursor.InitFromCursorInfo(info); 338 cursor.InitFromCursorInfo(info);
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351 } // namespace 351 } // namespace
352 352
353 TEST(WebCursorTest, WindowsCursorScaledAtHiDpi) { 353 TEST(WebCursorTest, WindowsCursorScaledAtHiDpi) {
354 ScaleCursor(2.0f, 4, 6); 354 ScaleCursor(2.0f, 4, 6);
355 ScaleCursor(1.5f, 2, 8); 355 ScaleCursor(1.5f, 2, 8);
356 ScaleCursor(1.25f, 3, 7); 356 ScaleCursor(1.25f, 3, 7);
357 } 357 }
358 #endif 358 #endif
359 359
360 } // namespace content 360 } // namespace content
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