123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138 |
- /*
- * 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 kGray_8_SkColorType: return "G8";
- case kRGBA_F16Norm_SkColorType: return "F16Norm";
- case kRGBA_F16_SkColorType: return "F16";
- case kRGBA_F32_SkColorType: return "F32";
- }
- return "";
- }
- constexpr SkColorType gColorTypes[] = {
- kRGB_565_SkColorType,
- kARGB_4444_SkColorType,
- kN32_SkColorType,
- };
- #define NUM_CONFIGS SK_ARRAY_COUNT(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->drawBitmap(fDst[i], x, 0, &paint);
- canvas->restore();
- canvas->translate(horizOffset, 0);
- }
- }
- };
- } // namespace
- //////////////////////////////////////////////////////////////////////////////
- DEF_GM( return new BitmapCopyGM; )
|