| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "gm/gm.h" |
| #include "include/core/SkBitmap.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkColor.h" |
| #include "include/core/SkFont.h" |
| #include "include/core/SkFontTypes.h" |
| #include "include/core/SkImageInfo.h" |
| #include "include/core/SkPaint.h" |
| #include "include/core/SkRect.h" |
| #include "include/core/SkScalar.h" |
| #include "include/core/SkSize.h" |
| #include "include/core/SkString.h" |
| #include "include/core/SkTypeface.h" |
| #include "include/core/SkTypes.h" |
| #include "tools/ToolUtils.h" |
| |
| #include <string.h> |
| |
| namespace { |
| |
| static const char* color_type_name(SkColorType colorType) { |
| switch (colorType) { |
| case kUnknown_SkColorType: return "unknown"; |
| case kAlpha_8_SkColorType: return "A8"; |
| case kRGB_565_SkColorType: return "565"; |
| case kARGB_4444_SkColorType: return "4444"; |
| case kRGBA_8888_SkColorType: return "8888"; |
| case kRGB_888x_SkColorType: return "888x"; |
| case kBGRA_8888_SkColorType: return "8888"; |
| case kRGBA_1010102_SkColorType: return "1010102"; |
| case kRGB_101010x_SkColorType: return "101010x"; |
| case kBGRA_1010102_SkColorType: return "bgra1010102"; |
| case kBGR_101010x_SkColorType: return "bgr101010x"; |
| case kBGR_101010x_XR_SkColorType: return "bgr101010x_xr"; |
| case kGray_8_SkColorType: return "G8"; |
| case kRGBA_F16Norm_SkColorType: return "F16Norm"; |
| case kRGBA_F16_SkColorType: return "F16"; |
| case kRGBA_F32_SkColorType: return "F32"; |
| case kR8G8_unorm_SkColorType: return "R8G8_unorm"; |
| case kA16_unorm_SkColorType: return "A16_unorm"; |
| case kR16G16_unorm_SkColorType: return "R16G16_unorm"; |
| case kA16_float_SkColorType: return "A16_float"; |
| case kR16G16_float_SkColorType: return "R16G16_float"; |
| case kR16G16B16A16_unorm_SkColorType: return "R16G16B16A16_unorm"; |
| case kSRGBA_8888_SkColorType: return "SRGBA_8888"; |
| case kR8_unorm_SkColorType: return "R8_unorm"; |
| } |
| return ""; |
| } |
| |
| constexpr SkColorType gColorTypes[] = { |
| kRGB_565_SkColorType, |
| kARGB_4444_SkColorType, |
| kN32_SkColorType, |
| }; |
| |
| #define NUM_CONFIGS std::size(gColorTypes) |
| |
| static void draw_checks(SkCanvas* canvas, int width, int height) { |
| SkPaint paint; |
| paint.setColor(SK_ColorRED); |
| canvas->drawRect(SkRect::MakeIWH(width/2, height/2), paint); |
| paint.setColor(SK_ColorGREEN); |
| canvas->drawRect({ SkIntToScalar(width/2), 0, SkIntToScalar(width), SkIntToScalar(height/2) }, |
| paint); |
| paint.setColor(SK_ColorBLUE); |
| canvas->drawRect({ 0, SkIntToScalar(height/2), SkIntToScalar(width/2), SkIntToScalar(height) }, |
| paint); |
| paint.setColor(SK_ColorYELLOW); |
| canvas->drawRect({ SkIntToScalar(width/2), SkIntToScalar(height/2), SkIntToScalar(width), |
| SkIntToScalar(height) }, paint); |
| } |
| |
| class BitmapCopyGM : public skiagm::GM { |
| SkBitmap fDst[NUM_CONFIGS]; |
| |
| void onOnceBeforeDraw() override { this->setBGColor(0xFFDDDDDD); } |
| |
| SkString onShortName() override { return SkString("bitmapcopy"); } |
| |
| SkISize onISize() override { return {540, 330}; } |
| |
| void onDraw(SkCanvas* canvas) override { |
| SkPaint paint; |
| SkScalar horizMargin = 10; |
| SkScalar vertMargin = 10; |
| |
| SkBitmap src; |
| src.allocN32Pixels(40, 40, kOpaque_SkAlphaType); |
| SkCanvas canvasTmp(src); |
| |
| draw_checks(&canvasTmp, 40, 40); |
| |
| for (unsigned i = 0; i < NUM_CONFIGS; ++i) { |
| ToolUtils::copy_to(&fDst[i], gColorTypes[i], src); |
| } |
| |
| canvas->clear(0xFFDDDDDD); |
| paint.setAntiAlias(true); |
| |
| SkFont font(ToolUtils::create_portable_typeface()); |
| |
| SkScalar width = SkIntToScalar(40); |
| SkScalar height = SkIntToScalar(40); |
| if (font.getSpacing() > height) { |
| height = font.getSpacing(); |
| } |
| for (unsigned i = 0; i < NUM_CONFIGS; i++) { |
| const char* name = color_type_name(src.colorType()); |
| SkScalar textWidth = font.measureText(name, strlen(name), SkTextEncoding::kUTF8); |
| if (textWidth > width) { |
| width = textWidth; |
| } |
| } |
| SkScalar horizOffset = width + horizMargin; |
| SkScalar vertOffset = height + vertMargin; |
| canvas->translate(SkIntToScalar(20), SkIntToScalar(20)); |
| |
| for (unsigned i = 0; i < NUM_CONFIGS; i++) { |
| canvas->save(); |
| // Draw destination config name |
| const char* name = color_type_name(fDst[i].colorType()); |
| SkScalar textWidth = font.measureText(name, strlen(name), SkTextEncoding::kUTF8); |
| SkScalar x = (width - textWidth) / SkScalar(2); |
| SkScalar y = font.getSpacing() / SkScalar(2); |
| canvas->drawSimpleText(name, strlen(name), SkTextEncoding::kUTF8, x, y, font, paint); |
| |
| // Draw destination bitmap |
| canvas->translate(0, vertOffset); |
| x = (width - 40) / SkScalar(2); |
| canvas->drawImage(fDst[i].asImage(), x, 0, SkSamplingOptions(), &paint); |
| canvas->restore(); |
| |
| canvas->translate(horizOffset, 0); |
| } |
| } |
| }; |
| } // namespace |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| DEF_GM( return new BitmapCopyGM; ) |