| Flutter Impeller |

impeller_unittests.cc
Go to the documentation of this file.
1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "flutter/fml/native_library.h"
6 #include "flutter/testing/testing.h"
7 #include "impeller/base/allocation.h"
8 #include "impeller/renderer/backend/gles/context_gles.h"
9 #include "impeller/toolkit/interop/context.h"
10 #include "impeller/toolkit/interop/dl.h"
11 #include "impeller/toolkit/interop/dl_builder.h"
12 #include "impeller/toolkit/interop/formats.h"
13 #include "impeller/toolkit/interop/impeller.h"
14 #include "impeller/toolkit/interop/impeller.hpp"
15 #include "impeller/toolkit/interop/paint.h"
16 #include "impeller/toolkit/interop/paragraph.h"
17 #include "impeller/toolkit/interop/paragraph_builder.h"
18 #include "impeller/toolkit/interop/paragraph_style.h"
19 #include "impeller/toolkit/interop/playground_test.h"
20 #include "impeller/toolkit/interop/surface.h"
21 #include "impeller/toolkit/interop/texture.h"
22 #include "impeller/toolkit/interop/typography_context.h"
23
24 namespace impeller::interop::testing {
25
26 using InteropPlaygroundTest = PlaygroundTest;
27 INSTANTIATE_OPENGLES_PLAYGROUND_SUITE(InteropPlaygroundTest);
28
29 TEST_P(InteropPlaygroundTest, CanCreateContext) {
30 auto context = CreateContext();
31 ASSERT_TRUE(context);
32 }
33
34 TEST_P(InteropPlaygroundTest, CanCreateDisplayListBuilder) {
35 hpp::DisplayListBuilder builder;
36 ASSERT_TRUE(builder);
37 ASSERT_TRUE(ToImpellerType(builder.GetTransform()).IsIdentity());
38 ASSERT_EQ(builder.GetSaveCount(), 1u);
39 builder.Save();
40 ASSERT_EQ(builder.GetSaveCount(), 2u);
41 builder.Restore();
42 ASSERT_EQ(builder.GetSaveCount(), 1u);
43 }
44
45 TEST_P(InteropPlaygroundTest, CanCreateSurface) {
46 auto context = CreateContext();
47 ASSERT_TRUE(context);
48 const auto window_size = GetWindowSize();
49 ImpellerISize size = {window_size.width, window_size.height};
50 auto surface = Adopt<Surface>(ImpellerSurfaceCreateWrappedFBONew(
51 context.GetC(), //
52 0u, //
53 ImpellerPixelFormat::kImpellerPixelFormatRGBA8888, //
54 &size) //
55 );
56 ASSERT_TRUE(surface);
57 }
58
59 TEST_P(InteropPlaygroundTest, CanDrawRect) {
60 auto builder =
61 Adopt<DisplayListBuilder>(ImpellerDisplayListBuilderNew(nullptr));
62 auto paint = Adopt<Paint>(ImpellerPaintNew());
63 ImpellerColor color = {0.0, 0.0, 1.0, 1.0};
64 ImpellerPaintSetColor(paint.GetC(), &color);
65 ImpellerRect rect = {10, 20, 100, 200};
66 ImpellerDisplayListBuilderDrawRect(builder.GetC(), &rect, paint.GetC());
67 color = {1.0, 0.0, 0.0, 1.0};
68 ImpellerPaintSetColor(paint.GetC(), &color);
69 ImpellerDisplayListBuilderTranslate(builder.GetC(), 110, 210);
70 ImpellerMatrix scale_transform = {
71 // clang-format off
72 2.0, 0.0, 0.0, 0.0, //
73 0.0, 2.0, 0.0, 0.0, //
74 0.0, 0.0, 1.0, 0.0, //
75 0.0, 0.0, 0.0, 1.0, //
76 // clang-format on
77 };
78 ImpellerDisplayListBuilderTransform(builder.GetC(), &scale_transform);
79 ImpellerDisplayListBuilderDrawRect(builder.GetC(), &rect, paint.GetC());
80 auto dl = Adopt<DisplayList>(
81 ImpellerDisplayListBuilderCreateDisplayListNew(builder.GetC()));
82 ASSERT_TRUE(dl);
83 ASSERT_TRUE(
84 OpenPlaygroundHere([&](const auto& context, const auto& surface) -> bool {
85 ImpellerSurfaceDrawDisplayList(surface.GetC(), dl.GetC());
86 return true;
87 }));
88 }
89
90 TEST_P(InteropPlaygroundTest, CanDrawImage) {
91 auto compressed = LoadFixtureImageCompressed(
92 flutter::testing::OpenFixtureAsMapping("boston.jpg"));
93 ASSERT_NE(compressed, nullptr);
94 auto decompressed = compressed->Decode().ConvertToRGBA();
95 ASSERT_TRUE(decompressed.IsValid());
96 ImpellerMapping mapping = {};
97 mapping.data = decompressed.GetAllocation()->GetMapping();
98 mapping.length = decompressed.GetAllocation()->GetSize();
99
100 auto context = GetInteropContext();
101 ImpellerTextureDescriptor desc = {};
102 desc.pixel_format = ImpellerPixelFormat::kImpellerPixelFormatRGBA8888;
103 desc.size = {decompressed.GetSize().width, decompressed.GetSize().height};
104 desc.mip_count = 1u;
105 auto texture = Adopt<Texture>(ImpellerTextureCreateWithContentsNew(
106 context.GetC(), &desc, &mapping, nullptr));
107 ASSERT_TRUE(texture);
108 auto builder =
109 Adopt<DisplayListBuilder>(ImpellerDisplayListBuilderNew(nullptr));
110 ImpellerPoint point = {100, 100};
111 ImpellerDisplayListBuilderDrawTexture(builder.GetC(), texture.GetC(), &point,
112 kImpellerTextureSamplingLinear,
113 nullptr);
114 auto dl = Adopt<DisplayList>(
115 ImpellerDisplayListBuilderCreateDisplayListNew(builder.GetC()));
116 ASSERT_TRUE(
117 OpenPlaygroundHere([&](const auto& context, const auto& surface) -> bool {
118 ImpellerSurfaceDrawDisplayList(surface.GetC(), dl.GetC());
119 return true;
120 }));
121 }
122
123 TEST_P(InteropPlaygroundTest, CanCreateOpenGLImage) {
124 auto context = GetInteropContext();
125
126 auto impeller_context = context->GetContext();
127
128 if (impeller_context->GetBackendType() !=
129 impeller::Context::BackendType::kOpenGLES) {
130 GTEST_SKIP() << "This test works with OpenGL handles is only suitable for "
131 "that backend.";
132 return;
133 }
134
135 const auto& gl_context = ContextGLES::Cast(*impeller_context);
136 const auto& gl = gl_context.GetReactor()->GetProcTable();
137
138 constexpr ISize external_texture_size = {200, 300};
139
140 Allocation texture_data;
141 ASSERT_TRUE(
142 texture_data.Truncate(Bytes{external_texture_size.Area() * 4u}, false));
143
144 const auto kClearColor = Color::Fuchsia().ToR8G8B8A8();
145
146 for (size_t i = 0; i < external_texture_size.Area() * 4u; i += 4u) {
147 memcpy(texture_data.GetBuffer() + i, kClearColor.data(), 4);
148 }
149
150 GLuint external_texture = GL_NONE;
151 gl.GenTextures(1u, &external_texture);
152 ASSERT_NE(external_texture, 0u);
153 gl.BindTexture(GL_TEXTURE_2D, external_texture);
154 gl.TexImage2D(GL_TEXTURE_2D, //
155 0, //
156 GL_RGBA, //
157 external_texture_size.width, //
158 external_texture_size.height, //
159 0, //
160 GL_RGBA, //
161 GL_UNSIGNED_BYTE, //
162 texture_data.GetBuffer() //
163 );
164
165 ImpellerTextureDescriptor desc = {};
166 desc.pixel_format = ImpellerPixelFormat::kImpellerPixelFormatRGBA8888;
167 desc.size = {external_texture_size.width, external_texture_size.height};
168 desc.mip_count = 1u;
169 auto texture = Adopt<Texture>(ImpellerTextureCreateWithOpenGLTextureHandleNew(
170 context.GetC(), //
171 &desc, //
172 external_texture //
173 ));
174 ASSERT_TRUE(texture);
175
176 ASSERT_EQ(ImpellerTextureGetOpenGLHandle(texture.GetC()), external_texture);
177
178 auto builder =
179 Adopt<DisplayListBuilder>(ImpellerDisplayListBuilderNew(nullptr));
180 ImpellerPoint point = {100, 100};
181 ImpellerDisplayListBuilderDrawTexture(builder.GetC(), texture.GetC(), &point,
182 kImpellerTextureSamplingLinear,
183 nullptr);
184 auto dl = Adopt<DisplayList>(
185 ImpellerDisplayListBuilderCreateDisplayListNew(builder.GetC()));
186 ASSERT_TRUE(
187 OpenPlaygroundHere([&](const auto& context, const auto& surface) -> bool {
188 ImpellerSurfaceDrawDisplayList(surface.GetC(), dl.GetC());
189 return true;
190 }));
191 }
192
193 TEST_P(InteropPlaygroundTest, ClearsOpenGLStancilStateAfterTransition) {
194 auto context = GetInteropContext();
195 auto impeller_context = context->GetContext();
196 if (impeller_context->GetBackendType() !=
197 impeller::Context::BackendType::kOpenGLES) {
198 GTEST_SKIP() << "This test works with OpenGL handles is only suitable for "
199 "that backend.";
200 return;
201 }
202 const auto& gl_context = ContextGLES::Cast(*impeller_context);
203 const auto& gl = gl_context.GetReactor()->GetProcTable();
204 auto builder =
205 Adopt<DisplayListBuilder>(ImpellerDisplayListBuilderNew(nullptr));
206 auto paint = Adopt<Paint>(ImpellerPaintNew());
207 ImpellerColor color = {0.0, 0.0, 1.0, 1.0};
208 ImpellerPaintSetColor(paint.GetC(), &color);
209 ImpellerRect rect = {10, 20, 100, 200};
210 ImpellerDisplayListBuilderDrawRect(builder.GetC(), &rect, paint.GetC());
211 color = {1.0, 0.0, 0.0, 1.0};
212 ImpellerPaintSetColor(paint.GetC(), &color);
213 ImpellerDisplayListBuilderTranslate(builder.GetC(), 110, 210);
214 ImpellerDisplayListBuilderClipRect(builder.GetC(), &rect,
215 kImpellerClipOperationDifference);
216 ImpellerDisplayListBuilderDrawRect(builder.GetC(), &rect, paint.GetC());
217 auto dl = Adopt<DisplayList>(
218 ImpellerDisplayListBuilderCreateDisplayListNew(builder.GetC()));
219 ASSERT_TRUE(dl);
220 ASSERT_TRUE(
221 OpenPlaygroundHere([&](const auto& context, const auto& surface) -> bool {
222 ImpellerSurfaceDrawDisplayList(surface.GetC(), dl.GetC());
223 // OpenGL state is reset even though the operations above enable a
224 // stencil check.
225 GLboolean stencil_enabled = true;
226 gl.GetBooleanv(GL_STENCIL_TEST, &stencil_enabled);
227 return stencil_enabled == GL_FALSE;
228 }));
229 }
230
231 TEST_P(InteropPlaygroundTest, CanCreateParagraphs) {
232 // Create a typography context.
233 hpp::TypographyContext type_context;
234 ASSERT_TRUE(type_context);
235
236 // Create a builder.
237 hpp::ParagraphBuilder builder(type_context);
238 ASSERT_TRUE(builder);
239
240 // Create a paragraph style with the font size and foreground and background
241 // colors.
242 hpp::ParagraphStyle style;
243 ASSERT_TRUE(style);
244 style.SetFontSize(150.0f);
245 style.SetHeight(2.0f);
246
247 {
248 hpp::Paint paint;
249 ASSERT_TRUE(paint);
250 paint.SetColor({1.0, 0.0, 0.0, 1.0});
251 style.SetForeground(paint);
252 }
253
254 {
255 hpp::Paint paint;
256 paint.SetColor({1.0, 1.0, 1.0, 1.0});
257 style.SetBackground(paint);
258 }
259
260 // Push the style onto the style stack.
261 builder.PushStyle(style);
262 std::string text = "the ⚡️ quick ⚡️ brown 🦊 fox jumps over the lazy dog 🐶.";
263
264 // Add the paragraph text data.
265 builder.AddText(text);
266
267 // Layout and build the paragraph.
268 auto paragraph = builder.Build(1200.0f);
269 ASSERT_TRUE(paragraph);
270
271 // Create a display list with just the paragraph drawn into it.
272 hpp::DisplayListBuilder dl_builder;
273 dl_builder.DrawParagraph(paragraph, {20, 20});
274
275 // Build the display list.
276 auto dl = dl_builder.Build();
277
278 ASSERT_TRUE(
279 OpenPlaygroundHere([&](const auto& context, const auto& surface) -> bool {
280 hpp::Surface window(surface.GetC());
281 window.Draw(dl);
282 return true;
283 }));
284 }
285
286 TEST_P(InteropPlaygroundTest, CanCreateShapes) {
287 hpp::DisplayListBuilder builder;
288
289 hpp::Paint red_paint;
290 red_paint.SetColor({1.0, 0.0, 0.0, 1.0});
291 red_paint.SetStrokeWidth(10.0);
292
293 builder.Translate(10, 10);
294 builder.DrawRect({0, 0, 100, 100}, red_paint);
295 builder.Translate(100, 100);
296 builder.DrawOval({0, 0, 100, 100}, red_paint);
297 builder.Translate(100, 100);
298 builder.DrawLine({0, 0}, {100, 100}, red_paint);
299
300 builder.Translate(100, 100);
301 ImpellerRoundingRadii radii = {};
302 radii.top_left = {10, 10};
303 radii.bottom_right = {10, 10};
304 builder.DrawRoundedRect({0, 0, 100, 100}, radii, red_paint);
305
306 builder.Translate(100, 100);
307 builder.DrawPath(hpp::PathBuilder{}.AddOval({0, 0, 100, 100}).Build(),
308 red_paint);
309
310 auto dl = builder.Build();
311 ASSERT_TRUE(
312 OpenPlaygroundHere([&](const auto& context, const auto& surface) -> bool {
313 hpp::Surface window(surface.GetC());
314 window.Draw(dl);
315 return true;
316 }));
317 }
318
319 TEST_P(InteropPlaygroundTest, CanCreateParagraphsWithCustomFont) {
320 // Create a typography context.
321 auto type_context = Adopt<TypographyContext>(ImpellerTypographyContextNew());
322 ASSERT_TRUE(type_context);
323
324 // Open the custom font file.
325 std::unique_ptr<fml::Mapping> font_data =
326 flutter::testing::OpenFixtureAsMapping("wtf.otf");
327 ASSERT_NE(font_data, nullptr);
328 ASSERT_GT(font_data->GetSize(), 0u);
329 ImpellerMapping font_data_mapping = {
330 .data = font_data->GetMapping(),
331 .length = font_data->GetSize(),
332 .on_release = [](auto ctx) {
333 delete reinterpret_cast<fml::Mapping*>(ctx);
334 }};
335 auto registered =
336 ImpellerTypographyContextRegisterFont(type_context.GetC(), //
337 &font_data_mapping, //
338 font_data.release(), //
339 nullptr //
340 );
341 ASSERT_TRUE(registered);
342
343 // Create a builder.
344 auto builder =
345 Adopt<ParagraphBuilder>(ImpellerParagraphBuilderNew(type_context.GetC()));
346 ASSERT_TRUE(builder);
347
348 // Create a paragraph style with the font size and foreground and background
349 // colors.
350 auto style = Adopt<ParagraphStyle>(ImpellerParagraphStyleNew());
351 ASSERT_TRUE(style);
352 ImpellerParagraphStyleSetFontSize(style.GetC(), 150.0f);
353 ImpellerParagraphStyleSetFontFamily(style.GetC(), "WhatTheFlutter");
354
355 {
356 auto paint = Adopt<Paint>(ImpellerPaintNew());
357 ASSERT_TRUE(paint);
358 ImpellerColor color = {0.0, 1.0, 1.0, 1.0};
359 ImpellerPaintSetColor(paint.GetC(), &color);
360 ImpellerParagraphStyleSetForeground(style.GetC(), paint.GetC());
361 }
362
363 // Push the style onto the style stack.
364 ImpellerParagraphBuilderPushStyle(builder.GetC(), style.GetC());
365 std::string text = "0F0F0F0";
366
367 // Add the paragraph text data.
368 ImpellerParagraphBuilderAddText(builder.GetC(),
369 reinterpret_cast<const uint8_t*>(text.data()),
370 text.size());
371
372 // Layout and build the paragraph.
373 auto paragraph = Adopt<Paragraph>(
374 ImpellerParagraphBuilderBuildParagraphNew(builder.GetC(), 1200.0f));
375 ASSERT_TRUE(paragraph);
376
377 // Create a display list with just the paragraph drawn into it.
378 auto dl_builder =
379 Adopt<DisplayListBuilder>(ImpellerDisplayListBuilderNew(nullptr));
380 ImpellerPoint point = {20, 20};
381 ImpellerDisplayListBuilderDrawParagraph(dl_builder.GetC(), paragraph.GetC(),
382 &point);
383 auto dl = Adopt<DisplayList>(
384 ImpellerDisplayListBuilderCreateDisplayListNew(dl_builder.GetC()));
385
386 ASSERT_TRUE(
387 OpenPlaygroundHere([&](const auto& context, const auto& surface) -> bool {
388 ImpellerSurfaceDrawDisplayList(surface.GetC(), dl.GetC());
389 return true;
390 }));
391 } // namespace impeller::interop::testing
392
393 static void DrawTextFrame(const hpp::TypographyContext& tc,
394 hpp::DisplayListBuilder& builder,
395 hpp::ParagraphStyle& p_style,
396 const hpp::Paint& bg,
397 ImpellerColor color,
398 ImpellerTextAlignment align,
399 float x_offset) {
400 const char text[] =
401 "Lorem ipsum dolor sit amet, consectetur adipiscing elit.";
402
403 hpp::Paint fg;
404
405 // Draw a box.
406 fg.SetColor(color);
407 fg.SetDrawStyle(kImpellerDrawStyleStroke);
408 ImpellerRect box_rect = {10 + x_offset, 10, 200, 200};
409 builder.DrawRect(box_rect, fg);
410
411 // Draw text.
412 fg.SetDrawStyle(kImpellerDrawStyleFill);
413 p_style.SetForeground(fg);
414 p_style.SetBackground(bg);
415 p_style.SetTextAlignment(align);
416
417 hpp::ParagraphBuilder p_builder(tc);
418 p_builder.PushStyle(p_style);
419 p_builder.AddText(reinterpret_cast<const uint8_t*>(text), sizeof(text));
420
421 auto left_p = p_builder.Build(box_rect.width - 20.0);
422 ImpellerPoint pt = {20.0f + x_offset, 20.0f};
423 float w = left_p.GetMaxWidth();
424 float h = left_p.GetHeight();
425 builder.DrawParagraph(left_p, pt);
426 fg.SetDrawStyle(kImpellerDrawStyleStroke);
427
428 // Draw an inner box around the paragraph layout.
429 ImpellerRect inner_box_rect = {pt.x, pt.y, w, h};
430 builder.DrawRect(inner_box_rect, fg);
431 }
432
433 TEST_P(InteropPlaygroundTest, CanRenderTextAlignments) {
434 hpp::TypographyContext tc;
435
436 hpp::DisplayListBuilder builder;
437 hpp::Paint bg;
438 hpp::ParagraphStyle p_style;
439 p_style.SetFontFamily("Roboto");
440 p_style.SetFontSize(24.0);
441 p_style.SetFontWeight(kImpellerFontWeight400);
442
443 // Clear the background to a white color.
444 ImpellerColor clear_color = {1.0, 1.0, 1.0, 1.0};
445 bg.SetColor(clear_color);
446 builder.DrawPaint(bg);
447
448 // Draw red, left-aligned text.
449 ImpellerColor red = {1.0, 0.0, 0.0, 1.0};
450 DrawTextFrame(tc, builder, p_style, bg, red, kImpellerTextAlignmentLeft, 0.0);
451
452 // Draw green, centered text.
453 ImpellerColor green = {0.0, 1.0, 0.0, 1.0};
454 DrawTextFrame(tc, builder, p_style, bg, green, kImpellerTextAlignmentCenter,
455 220.0);
456
457 // Draw blue, right-aligned text.
458 ImpellerColor blue = {0.0, 0.0, 1.0, 1.0};
459 DrawTextFrame(tc, builder, p_style, bg, blue, kImpellerTextAlignmentRight,
460 440.0);
461
462 auto dl = builder.Build();
463
464 ASSERT_TRUE(
465 OpenPlaygroundHere([&](const auto& context, const auto& surface) -> bool {
466 hpp::Surface window(surface.GetC());
467 window.Draw(dl);
468 return true;
469 }));
470 }
471
472 } // namespace impeller::interop::testing
allocation.h
impeller::Allocation
Describes an allocation on the heap.
Definition: allocation.h:22
impeller::Allocation::GetBuffer
uint8_t * GetBuffer() const
Gets the pointer to the start of the allocation.
Definition: allocation.cc:20
impeller::Allocation::Truncate
bool Truncate(Bytes length, bool npot=true)
Resize the underlying allocation to at least given number of bytes.
Definition: allocation.cc:32
impeller::AllocationSize< 1u >
impeller::BackendCast< ContextGLES, Context >::Cast
static ContextGLES & Cast(Context &base)
Definition: backend_cast.h:13
impeller::Context::BackendType::kOpenGLES
@ kOpenGLES
impeller::interop::testing::PlaygroundTest
Definition: playground_test.h:16
context_gles.h
dl.h
dl_builder.h
impeller.h
kImpellerTextureSamplingLinear
@ kImpellerTextureSamplingLinear
Definition: impeller.h:383
kImpellerFontWeight400
@ kImpellerFontWeight400
Definition: impeller.h:410
kImpellerDrawStyleStroke
@ kImpellerDrawStyleStroke
Definition: impeller.h:361
kImpellerDrawStyleFill
@ kImpellerDrawStyleFill
Definition: impeller.h:360
ImpellerTextAlignment
ImpellerTextAlignment
Definition: impeller.h:423
kImpellerTextAlignmentLeft
@ kImpellerTextAlignmentLeft
Definition: impeller.h:424
kImpellerTextAlignmentCenter
@ kImpellerTextAlignmentCenter
Definition: impeller.h:426
kImpellerTextAlignmentRight
@ kImpellerTextAlignmentRight
Definition: impeller.h:425
kImpellerClipOperationDifference
@ kImpellerClipOperationDifference
Definition: impeller.h:323
kImpellerPixelFormatRGBA8888
@ kImpellerPixelFormatRGBA8888
Definition: impeller.h:378
impeller.hpp
impeller::interop::testing
Definition: impeller_unittests.cc:24
impeller::interop::testing::TEST_P
TEST_P(InteropPlaygroundTest, CanCreateContext)
Definition: impeller_unittests.cc:29
impeller::interop::testing::DrawTextFrame
static void DrawTextFrame(const hpp::TypographyContext &tc, hpp::DisplayListBuilder &builder, hpp::ParagraphStyle &p_style, const hpp::Paint &bg, ImpellerColor color, ImpellerTextAlignment align, float x_offset)
Definition: impeller_unittests.cc:393
impeller::interop::testing::INSTANTIATE_OPENGLES_PLAYGROUND_SUITE
INSTANTIATE_OPENGLES_PLAYGROUND_SUITE(InteropPlaygroundTest)
impeller::interop::ImpellerTextureGetOpenGLHandle
IMPELLER_EXTERN_C uint64_t ImpellerTextureGetOpenGLHandle(ImpellerTexture texture)
Definition: impeller.cc:566
impeller::interop::ImpellerSurfaceCreateWrappedFBONew
IMPELLER_EXTERN_C ImpellerSurface ImpellerSurfaceCreateWrappedFBONew(ImpellerContext context, uint64_t fbo, ImpellerPixelFormat format, const ImpellerISize *size)
Definition: impeller.cc:607
impeller::interop::ImpellerDisplayListBuilderCreateDisplayListNew
IMPELLER_EXTERN_C ImpellerDisplayList ImpellerDisplayListBuilderCreateDisplayListNew(ImpellerDisplayListBuilder builder)
Definition: impeller.cc:589
impeller::interop::ImpellerParagraphBuilderNew
IMPELLER_EXTERN_C ImpellerParagraphBuilder ImpellerParagraphBuilderNew(ImpellerTypographyContext context)
Definition: impeller.cc:1012
impeller::interop::ImpellerDisplayListBuilderNew
IMPELLER_EXTERN_C ImpellerDisplayListBuilder ImpellerDisplayListBuilderNew(const ImpellerRect *cull_rect)
Definition: impeller.cc:108
impeller::interop::ImpellerPaintNew
IMPELLER_EXTERN_C ImpellerPaint ImpellerPaintNew()
Definition: impeller.cc:340
impeller::interop::ImpellerParagraphBuilderBuildParagraphNew
IMPELLER_EXTERN_C ImpellerParagraph ImpellerParagraphBuilderBuildParagraphNew(ImpellerParagraphBuilder paragraph_builder, float width)
Definition: impeller.cc:1062
impeller::interop::ImpellerParagraphBuilderPushStyle
IMPELLER_EXTERN_C void ImpellerParagraphBuilderPushStyle(ImpellerParagraphBuilder paragraph_builder, ImpellerParagraphStyle style)
Definition: impeller.cc:1036
impeller::interop::ImpellerTypographyContextNew
IMPELLER_EXTERN_C ImpellerTypographyContext ImpellerTypographyContextNew()
Definition: impeller.cc:1119
impeller::interop::ImpellerDisplayListBuilderClipRect
IMPELLER_EXTERN_C void ImpellerDisplayListBuilderClipRect(ImpellerDisplayListBuilder builder, const ImpellerRect *rect, ImpellerClipOperation op)
Definition: impeller.cc:307
impeller::interop::ToImpellerType
constexpr Matrix ToImpellerType(const ImpellerMatrix &m)
Definition: formats.h:201
impeller::interop::ImpellerTextureCreateWithOpenGLTextureHandleNew
IMPELLER_EXTERN_C ImpellerTexture ImpellerTextureCreateWithOpenGLTextureHandleNew(ImpellerContext context, const ImpellerTextureDescriptor *descriptor, uint64_t external_gl_handle)
Definition: impeller.cc:517
impeller::interop::ImpellerTextureCreateWithContentsNew
IMPELLER_EXTERN_C ImpellerTexture ImpellerTextureCreateWithContentsNew(ImpellerContext context, const ImpellerTextureDescriptor *descriptor, const ImpellerMapping *contents, void *contents_on_release_user_data)
Definition: impeller.cc:472
impeller::interop::ImpellerDisplayListBuilderTransform
IMPELLER_EXTERN_C void ImpellerDisplayListBuilderTransform(ImpellerDisplayListBuilder builder, const ImpellerMatrix *transform)
Definition: impeller.cc:171
impeller::interop::ImpellerTypographyContextRegisterFont
IMPELLER_EXTERN_C bool ImpellerTypographyContextRegisterFont(ImpellerTypographyContext context, const ImpellerMapping *contents, void *contents_on_release_user_data, const char *family_name_alias)
Definition: impeller.cc:1139
impeller::interop::ImpellerParagraphStyleSetFontSize
IMPELLER_EXTERN_C void ImpellerParagraphStyleSetFontSize(ImpellerParagraphStyle paragraph_style, float size)
Definition: impeller.cc:967
impeller::interop::ImpellerDisplayListBuilderDrawParagraph
IMPELLER_EXTERN_C void ImpellerDisplayListBuilderDrawParagraph(ImpellerDisplayListBuilder builder, ImpellerParagraph paragraph, const ImpellerPoint *point)
Definition: impeller.cc:1005
impeller::interop::ImpellerParagraphStyleSetFontFamily
IMPELLER_EXTERN_C void ImpellerParagraphStyleSetFontFamily(ImpellerParagraphStyle paragraph_style, const char *family_name)
Definition: impeller.cc:961
impeller::interop::ImpellerSurfaceDrawDisplayList
IMPELLER_EXTERN_C bool ImpellerSurfaceDrawDisplayList(ImpellerSurface surface, ImpellerDisplayList display_list)
Definition: impeller.cc:629
impeller::interop::ImpellerDisplayListBuilderTranslate
IMPELLER_EXTERN_C void ImpellerDisplayListBuilderTranslate(ImpellerDisplayListBuilder builder, float x_translation, float y_translation)
Definition: impeller.cc:158
impeller::interop::ImpellerParagraphStyleSetForeground
IMPELLER_EXTERN_C void ImpellerParagraphStyleSetForeground(ImpellerParagraphStyle paragraph_style, ImpellerPaint paint)
Definition: impeller.cc:930
impeller::interop::ImpellerParagraphStyleNew
IMPELLER_EXTERN_C ImpellerParagraphStyle ImpellerParagraphStyleNew()
Definition: impeller.cc:915
impeller::interop::ImpellerDisplayListBuilderDrawTexture
IMPELLER_EXTERN_C void ImpellerDisplayListBuilderDrawTexture(ImpellerDisplayListBuilder builder, ImpellerTexture texture, const ImpellerPoint *point, ImpellerTextureSampling sampling, ImpellerPaint paint)
Definition: impeller.cc:635
impeller::interop::ImpellerDisplayListBuilderDrawRect
IMPELLER_EXTERN_C void ImpellerDisplayListBuilderDrawRect(ImpellerDisplayListBuilder builder, const ImpellerRect *rect, ImpellerPaint paint)
Definition: impeller.cc:423
impeller::interop::ImpellerPaintSetColor
IMPELLER_EXTERN_C void ImpellerPaintSetColor(ImpellerPaint paint, const ImpellerColor *color)
Definition: impeller.cc:355
impeller::interop::ImpellerParagraphBuilderAddText
IMPELLER_EXTERN_C void ImpellerParagraphBuilderAddText(ImpellerParagraphBuilder paragraph_builder, const uint8_t *data, uint32_t length)
Definition: impeller.cc:1049
paragraph.h
paragraph_builder.h
paragraph_style.h
ImpellerColor
Definition: impeller.h:545
ImpellerISize
Definition: impeller.h:457
ImpellerISize::width
int64_t width
Definition: impeller.h:458
ImpellerMapping
Definition: impeller.h:559
ImpellerMapping::length
uint64_t length
Definition: impeller.h:561
ImpellerMapping::data
const uint8_t *IMPELLER_NONNULL data
Definition: impeller.h:560
ImpellerMatrix
Definition: impeller.h:472
ImpellerPoint
Definition: impeller.h:447
ImpellerPoint::x
float x
Definition: impeller.h:448
ImpellerPoint::y
float y
Definition: impeller.h:449
ImpellerRect
Definition: impeller.h:440
ImpellerRect::width
float width
Definition: impeller.h:443
ImpellerRoundingRadii
Definition: impeller.h:538
ImpellerRoundingRadii::top_left
ImpellerPoint top_left
Definition: impeller.h:539
ImpellerRoundingRadii::bottom_right
ImpellerPoint bottom_right
Definition: impeller.h:542
ImpellerTextureDescriptor
Definition: impeller.h:553
ImpellerTextureDescriptor::mip_count
uint32_t mip_count
Definition: impeller.h:556
ImpellerTextureDescriptor::pixel_format
ImpellerPixelFormat pixel_format
Definition: impeller.h:554
ImpellerTextureDescriptor::size
ImpellerISize size
Definition: impeller.h:555
impeller::Color::ToR8G8B8A8
constexpr std::array< uint8_t, 4 > ToR8G8B8A8() const
Convert to R8G8B8A8 representation.
Definition: color.h:245
impeller::Color::Fuchsia
static constexpr Color Fuchsia()
Definition: color.h:465
impeller::Matrix::IsIdentity
constexpr bool IsIdentity() const
Definition: matrix.h:401
impeller::TSize
Definition: size.h:25
context.h
formats.h
paint.h
playground_test.h
surface.h
texture.h
typography_context.h