blob: fac167ed631440dafc99134348ebe09aca093124 [file] [log] [blame]
/*
* 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";
case kRG_88_SkColorType: return "RG88";
case kAlpha_16_SkColorType: return "A16";
case kRG_1616_SkColorType: return "RG1616";
case kAlpha_F16_SkColorType: return "A_F16";
case kRG_F16_SkColorType: return "RG_F16";
case kRGBA_16161616_SkColorType:return "16161616";
}
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; )