| package parse |
| |
| import ( |
| "testing" |
| |
| "github.com/stretchr/testify/assert" |
| "go.skia.org/infra/go/testutils/unittest" |
| ) |
| |
| const good_sample = `// Copyright 2019 Google LLC. |
| // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. |
| #include "fiddle/examples.h" |
| // HASH=bc9c7ea424d10bbcd1e5a88770d4794e |
| REG_FIDDLE(Alpha_Constants_a, 256, 128, false, 1) { |
| void draw(SkCanvas* canvas) { |
| std::vector<int32_t> srcPixels; |
| srcPixels.resize(source.height() * source.rowBytes()); |
| SkPixmap pixmap(SkImageInfo::MakeN32Premul(source.width(), source.height()), |
| &srcPixels.front(), source.rowBytes()); |
| source.readPixels(pixmap, 0, 0); |
| for (int y = 0; y < 16; ++y) { |
| for (int x = 0; x < 16; ++x) { |
| int32_t* blockStart = &srcPixels.front() + y * source.width() * 16 + x * 16; |
| size_t transparentCount = 0; |
| for (int fillY = 0; fillY < source.height() / 16; ++fillY) { |
| for (int fillX = 0; fillX < source.width() / 16; ++fillX) { |
| const SkColor color = SkUnPreMultiply::PMColorToColor(blockStart[fillX]); |
| transparentCount += SkColorGetA(color) == SK_AlphaTRANSPARENT; |
| } |
| blockStart += source.width(); |
| } |
| if (transparentCount > 200) { |
| blockStart = &srcPixels.front() + y * source.width() * 16 + x * 16; |
| for (int fillY = 0; fillY < source.height() / 16; ++fillY) { |
| for (int fillX = 0; fillX < source.width() / 16; ++fillX) { |
| blockStart[fillX] = SK_ColorRED; |
| } |
| blockStart += source.width(); |
| } |
| } |
| } |
| } |
| SkBitmap bitmap; |
| bitmap.installPixels(pixmap); |
| canvas->drawBitmap(bitmap, 0, 0); |
| } |
| } // END FIDDLE` |
| |
| const short_sample = `// Copyright 2019 Google LLC. |
| REG_FIDDLE(Alpha_Constants_a, 256, 128, false, 1) { |
| void draw(SkCanvas* canvas) { |
| } |
| } // END FIDDLE` |
| |
| const missing_end_sample = `// Copyright 2019 Google LLC. |
| REG_FIDDLE(Alpha_Constants_a, 256, 128, false, 1) { |
| void draw(SkCanvas* canvas) { |
| } |
| }` |
| |
| const inactive_sample = `#if 0 // Disabled until updated to use current API. |
| // Copyright 2019 Google LLC. |
| // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. |
| #include "fiddle/examples.h" |
| // HASH=f0e584aec20eaee7a5bfed62aa885eee |
| REG_FIDDLE(TextBlobBuilder_allocRun, 256, 60, false, 0) { |
| void draw(SkCanvas* canvas) { |
| SkTextBlobBuilder builder; |
| SkFont font; |
| SkPaint paint; |
| const SkTextBlobBuilder::RunBuffer& run = builder.allocRun(font, 5, 20, 20); |
| paint.textToGlyphs("hello", 5, run.glyphs); |
| canvas->drawRect({20, 20, 30, 30}, paint); |
| canvas->drawTextBlob(builder.make(), 20, 20, paint); |
| } |
| } // END FIDDLE |
| #endif // Disabled until updated to use current API.` |
| |
| const missing_reg_sample = ` |
| // Copyright 2019 Google LLC. |
| // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. |
| void draw(SkCanvas* canvas) { |
| SkTextBlobBuilder builder; |
| SkFont font; |
| SkPaint paint; |
| const SkTextBlobBuilder::RunBuffer& run = builder.allocRun(font, 5, 20, 20); |
| paint.textToGlyphs("hello", 5, run.glyphs); |
| canvas->drawRect({20, 20, 30, 30}, paint); |
| canvas->drawTextBlob(builder.make(), 20, 20, paint); |
| } |
| } // END FIDDLE` |
| |
| const bad_macro = `REG_FIDDLE(TextBlobBuilder_allocRun, foo, 60, false, 0) {` |
| |
| const textonly_sample = `// Copyright 2019 Google LLC. |
| REG_FIDDLE(Alpha_Constants_a, 256, 128, true, 0) { |
| void draw(SkCanvas* canvas) { |
| } |
| } // END FIDDLE` |
| |
| func TestParse(t *testing.T) { |
| unittest.SmallTest(t) |
| |
| fc, err := ParseCpp(good_sample) |
| assert.NoError(t, err) |
| |
| fc, err = ParseCpp(short_sample) |
| assert.NoError(t, err) |
| assert.Equal(t, "void draw(SkCanvas* canvas) {\n}", fc.Code) |
| assert.Equal(t, 256, fc.Options.Width) |
| assert.Equal(t, 128, fc.Options.Height) |
| assert.Equal(t, 1, fc.Options.Source) |
| assert.False(t, fc.Options.TextOnly) |
| |
| fc, err = ParseCpp(missing_end_sample) |
| assert.Error(t, err) |
| |
| fc, err = ParseCpp(inactive_sample) |
| assert.Equal(t, err, ErrorInactiveExample) |
| assert.Nil(t, fc) |
| |
| fc, err = ParseCpp(missing_reg_sample) |
| assert.Error(t, err) |
| |
| fc, err = ParseCpp(bad_macro) |
| assert.Error(t, err) |
| |
| fc, err = ParseCpp(textonly_sample) |
| assert.NoError(t, err) |
| assert.Equal(t, "void draw(SkCanvas* canvas) {\n}", fc.Code) |
| assert.Equal(t, 256, fc.Options.Width) |
| assert.Equal(t, 128, fc.Options.Height) |
| assert.Equal(t, 0, fc.Options.Source) |
| assert.True(t, fc.Options.TextOnly) |
| } |