b251b72d3d
This string replaces {major_}platform_os_name() and platform_extra_config() for the font-focused GMs using them. The GDI bots will report "GDI", the NativeFont bots their OS, and other bots "". Change-Id: I8f7bb1ffea3cc91601c98b4ccff7a3a234ac77d3 Reviewed-on: https://skia-review.googlesource.com/70500 Reviewed-by: Ben Wagner <bungeman@google.com> Commit-Queue: Mike Klein <mtklein@chromium.org>
615 lines
20 KiB
C++
615 lines
20 KiB
C++
/*
|
|
* Copyright 2014 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include "sk_tool_utils.h"
|
|
|
|
#include "Resources.h"
|
|
#include "SkBitmap.h"
|
|
#include "SkCanvas.h"
|
|
#include "SkCommonFlags.h"
|
|
#include "SkFontMgr.h"
|
|
#include "SkFontStyle.h"
|
|
#include "SkPixelRef.h"
|
|
#include "SkPM4f.h"
|
|
#include "SkPoint3.h"
|
|
#include "SkShader.h"
|
|
#include "SkTestScalerContext.h"
|
|
#include "SkTextBlob.h"
|
|
|
|
namespace sk_tool_utils {
|
|
|
|
/* these are the default fonts chosen by Chrome for serif, sans-serif, and monospace */
|
|
static const char* gStandardFontNames[][3] = {
|
|
{ "Times", "Helvetica", "Courier" }, // Mac
|
|
{ "Times New Roman", "Helvetica", "Courier" }, // iOS
|
|
{ "Times New Roman", "Arial", "Courier New" }, // Win
|
|
{ "Times New Roman", "Arial", "Monospace" }, // Ubuntu
|
|
{ "serif", "sans-serif", "monospace" }, // Android
|
|
{ "Tinos", "Arimo", "Cousine" } // ChromeOS
|
|
};
|
|
|
|
static bool starts_with(const char* str, const char* prefix) {
|
|
return 0 == strncmp(str, prefix, strlen(prefix));
|
|
}
|
|
|
|
static const char* platform_os_name() {
|
|
for (int index = 0; index < FLAGS_key.count(); index += 2) {
|
|
if (!strcmp("os", FLAGS_key[index])) {
|
|
return FLAGS_key[index + 1];
|
|
}
|
|
}
|
|
return "";
|
|
}
|
|
|
|
const char* platform_font_name(const char* name) {
|
|
int index;
|
|
if (!strcmp(name, "serif")) {
|
|
index = 0;
|
|
} else if (!strcmp(name, "san-serif")) {
|
|
index = 1;
|
|
} else if (!strcmp(name, "monospace")) {
|
|
index = 2;
|
|
} else {
|
|
return name;
|
|
}
|
|
|
|
const char* platform = platform_os_name();
|
|
|
|
if (starts_with(platform, "Mac")) {
|
|
return gStandardFontNames[0][index];
|
|
}
|
|
if (starts_with(platform, "iOS")) {
|
|
return gStandardFontNames[1][index];
|
|
}
|
|
if (starts_with(platform, "Win")) {
|
|
return gStandardFontNames[2][index];
|
|
}
|
|
if (starts_with(platform, "Ubuntu") || starts_with(platform, "Debian")) {
|
|
return gStandardFontNames[3][index];
|
|
}
|
|
if (starts_with(platform, "Android")) {
|
|
return gStandardFontNames[4][index];
|
|
}
|
|
if (starts_with(platform, "ChromeOS")) {
|
|
return gStandardFontNames[5][index];
|
|
}
|
|
return name;
|
|
}
|
|
|
|
const char* platform_os_emoji() {
|
|
const char* osName = platform_os_name();
|
|
if (starts_with(osName, "Android") ||
|
|
starts_with(osName, "Ubuntu") ||
|
|
starts_with(osName, "Debian")) {
|
|
return "CBDT";
|
|
}
|
|
if (starts_with(osName, "Mac") || starts_with(osName, "iOS")) {
|
|
return "SBIX";
|
|
}
|
|
if (starts_with(osName, "Win")) {
|
|
return "COLR";
|
|
}
|
|
return "";
|
|
}
|
|
|
|
sk_sp<SkTypeface> emoji_typeface() {
|
|
if (!strcmp(sk_tool_utils::platform_os_emoji(), "CBDT")) {
|
|
return MakeResourceAsTypeface("/fonts/Funkster.ttf");
|
|
}
|
|
if (!strcmp(sk_tool_utils::platform_os_emoji(), "SBIX")) {
|
|
return SkTypeface::MakeFromName("Apple Color Emoji", SkFontStyle());
|
|
}
|
|
if (!strcmp(sk_tool_utils::platform_os_emoji(), "COLR")) {
|
|
sk_sp<SkFontMgr> fm(SkFontMgr::RefDefault());
|
|
const char *colorEmojiFontName = "Segoe UI Emoji";
|
|
sk_sp<SkTypeface> typeface(fm->matchFamilyStyle(colorEmojiFontName, SkFontStyle()));
|
|
if (typeface) {
|
|
return typeface;
|
|
}
|
|
sk_sp<SkTypeface> fallback(fm->matchFamilyStyleCharacter(
|
|
colorEmojiFontName, SkFontStyle(), nullptr /* bcp47 */, 0 /* bcp47Count */,
|
|
0x1f4b0 /* character: 💰 */));
|
|
if (fallback) {
|
|
return fallback;
|
|
}
|
|
// If we don't have Segoe UI Emoji and can't find a fallback, try Segoe UI Symbol.
|
|
// Windows 7 does not have Segoe UI Emoji; Segoe UI Symbol has the (non - color) emoji.
|
|
return SkTypeface::MakeFromName("Segoe UI Symbol", SkFontStyle());
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
const char* emoji_sample_text() {
|
|
if (!strcmp(sk_tool_utils::platform_os_emoji(), "CBDT")) {
|
|
return "Hamburgefons";
|
|
}
|
|
if (!strcmp(sk_tool_utils::platform_os_emoji(), "SBIX") ||
|
|
!strcmp(sk_tool_utils::platform_os_emoji(), "COLR"))
|
|
{
|
|
return "\xF0\x9F\x92\xB0" "\xF0\x9F\x8F\xA1" "\xF0\x9F\x8E\x85" // 💰🏡🎅
|
|
"\xF0\x9F\x8D\xAA" "\xF0\x9F\x8D\x95" "\xF0\x9F\x9A\x80" // 🍪🍕🚀
|
|
"\xF0\x9F\x9A\xBB" "\xF0\x9F\x92\xA9" "\xF0\x9F\x93\xB7" // 🚻💩📷
|
|
"\xF0\x9F\x93\xA6" // 📦
|
|
"\xF0\x9F\x87\xBA" "\xF0\x9F\x87\xB8" "\xF0\x9F\x87\xA6"; // 🇺🇸🇦
|
|
}
|
|
return "";
|
|
}
|
|
|
|
static bool extra_config_contains(const char* substring) {
|
|
for (int index = 0; index < FLAGS_key.count(); index += 2) {
|
|
if (0 == strcmp("extra_config", FLAGS_key[index])
|
|
&& strstr(FLAGS_key[index + 1], substring)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
const char* platform_font_manager() {
|
|
if (extra_config_contains("GDI")) {
|
|
return "GDI";
|
|
}
|
|
if (extra_config_contains("NativeFonts")){
|
|
return platform_os_name();
|
|
}
|
|
return "";
|
|
}
|
|
|
|
|
|
const char* colortype_name(SkColorType ct) {
|
|
switch (ct) {
|
|
case kUnknown_SkColorType: return "Unknown";
|
|
case kAlpha_8_SkColorType: return "Alpha_8";
|
|
case kARGB_4444_SkColorType: return "ARGB_4444";
|
|
case kRGB_565_SkColorType: return "RGB_565";
|
|
case kRGBA_8888_SkColorType: return "RGBA_8888";
|
|
case kBGRA_8888_SkColorType: return "BGRA_8888";
|
|
case kRGBA_F16_SkColorType: return "RGBA_F16";
|
|
default:
|
|
SkASSERT(false);
|
|
return "unexpected colortype";
|
|
}
|
|
}
|
|
|
|
SkColor color_to_565(SkColor color) {
|
|
SkPMColor pmColor = SkPreMultiplyColor(color);
|
|
U16CPU color16 = SkPixel32ToPixel16(pmColor);
|
|
return SkPixel16ToColor(color16);
|
|
}
|
|
|
|
sk_sp<SkTypeface> create_portable_typeface(const char* name, SkFontStyle style) {
|
|
return create_font(name, style);
|
|
}
|
|
|
|
void set_portable_typeface(SkPaint* paint, const char* name, SkFontStyle style) {
|
|
paint->setTypeface(create_font(name, style));
|
|
}
|
|
|
|
void write_pixels(SkCanvas* canvas, const SkBitmap& bitmap, int x, int y,
|
|
SkColorType colorType, SkAlphaType alphaType) {
|
|
SkBitmap tmp(bitmap);
|
|
const SkImageInfo info = SkImageInfo::Make(tmp.width(), tmp.height(), colorType, alphaType);
|
|
|
|
canvas->writePixels(info, tmp.getPixels(), tmp.rowBytes(), x, y);
|
|
}
|
|
|
|
sk_sp<SkShader> create_checkerboard_shader(SkColor c1, SkColor c2, int size) {
|
|
SkBitmap bm;
|
|
bm.allocPixels(SkImageInfo::MakeS32(2 * size, 2 * size, kPremul_SkAlphaType));
|
|
bm.eraseColor(c1);
|
|
bm.eraseArea(SkIRect::MakeLTRB(0, 0, size, size), c2);
|
|
bm.eraseArea(SkIRect::MakeLTRB(size, size, 2 * size, 2 * size), c2);
|
|
return SkShader::MakeBitmapShader(
|
|
bm, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode);
|
|
}
|
|
|
|
SkBitmap create_checkerboard_bitmap(int w, int h, SkColor c1, SkColor c2, int checkSize) {
|
|
SkBitmap bitmap;
|
|
bitmap.allocPixels(SkImageInfo::MakeS32(w, h, kPremul_SkAlphaType));
|
|
SkCanvas canvas(bitmap);
|
|
|
|
sk_tool_utils::draw_checkerboard(&canvas, c1, c2, checkSize);
|
|
return bitmap;
|
|
}
|
|
|
|
void draw_checkerboard(SkCanvas* canvas, SkColor c1, SkColor c2, int size) {
|
|
SkPaint paint;
|
|
paint.setShader(create_checkerboard_shader(c1, c2, size));
|
|
paint.setBlendMode(SkBlendMode::kSrc);
|
|
canvas->drawPaint(paint);
|
|
}
|
|
|
|
SkBitmap create_string_bitmap(int w, int h, SkColor c, int x, int y,
|
|
int textSize, const char* str) {
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(w, h);
|
|
SkCanvas canvas(bitmap);
|
|
|
|
SkPaint paint;
|
|
paint.setAntiAlias(true);
|
|
sk_tool_utils::set_portable_typeface(&paint);
|
|
paint.setColor(c);
|
|
paint.setTextSize(SkIntToScalar(textSize));
|
|
|
|
canvas.clear(0x00000000);
|
|
canvas.drawString(str, SkIntToScalar(x), SkIntToScalar(y), paint);
|
|
|
|
// Tag data as sRGB (without doing any color space conversion). Color-space aware configs
|
|
// will process this correctly but legacy configs will render as if this returned N32.
|
|
SkBitmap result;
|
|
result.setInfo(SkImageInfo::MakeS32(w, h, kPremul_SkAlphaType));
|
|
result.setPixelRef(sk_ref_sp(bitmap.pixelRef()), 0, 0);
|
|
return result;
|
|
}
|
|
|
|
void add_to_text_blob_w_len(SkTextBlobBuilder* builder, const char* text, size_t len,
|
|
const SkPaint& origPaint, SkScalar x, SkScalar y) {
|
|
SkPaint paint(origPaint);
|
|
SkTDArray<uint16_t> glyphs;
|
|
|
|
glyphs.append(paint.textToGlyphs(text, len, nullptr));
|
|
paint.textToGlyphs(text, len, glyphs.begin());
|
|
|
|
paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
|
|
const SkTextBlobBuilder::RunBuffer& run = builder->allocRun(paint, glyphs.count(), x, y,
|
|
nullptr);
|
|
memcpy(run.glyphs, glyphs.begin(), glyphs.count() * sizeof(uint16_t));
|
|
}
|
|
|
|
void add_to_text_blob(SkTextBlobBuilder* builder, const char* text,
|
|
const SkPaint& origPaint, SkScalar x, SkScalar y) {
|
|
add_to_text_blob_w_len(builder, text, strlen(text), origPaint, x, y);
|
|
}
|
|
|
|
SkPath make_star(const SkRect& bounds, int numPts, int step) {
|
|
SkPath path;
|
|
path.setFillType(SkPath::kEvenOdd_FillType);
|
|
path.moveTo(0,-1);
|
|
for (int i = 1; i < numPts; ++i) {
|
|
int idx = i*step;
|
|
SkScalar theta = idx * 2*SK_ScalarPI/numPts + SK_ScalarPI/2;
|
|
SkScalar x = SkScalarCos(theta);
|
|
SkScalar y = -SkScalarSin(theta);
|
|
path.lineTo(x, y);
|
|
}
|
|
path.transform(SkMatrix::MakeRectToRect(path.getBounds(), bounds, SkMatrix::kFill_ScaleToFit));
|
|
return path;
|
|
}
|
|
|
|
#if !defined(__clang__) && defined(_MSC_VER)
|
|
// MSVC takes ~2 minutes to compile this function with optimization.
|
|
// We don't really care to wait that long for this function.
|
|
#pragma optimize("", off)
|
|
#endif
|
|
void make_big_path(SkPath& path) {
|
|
#include "BigPathBench.inc"
|
|
}
|
|
|
|
static float gaussian2d_value(int x, int y, float sigma) {
|
|
// don't bother with the scale term since we're just going to normalize the
|
|
// kernel anyways
|
|
float temp = expf(-(x*x + y*y)/(2*sigma*sigma));
|
|
return temp;
|
|
}
|
|
|
|
static float* create_2d_kernel(float sigma, int* filterSize) {
|
|
// We will actually take 2*halfFilterSize+1 samples (i.e., our filter kernel
|
|
// sizes are always odd)
|
|
int halfFilterSize = SkScalarCeilToInt(6*sigma)/2;
|
|
int wh = *filterSize = 2*halfFilterSize + 1;
|
|
|
|
float* temp = new float[wh*wh];
|
|
|
|
float filterTot = 0.0f;
|
|
for (int yOff = 0; yOff < wh; ++yOff) {
|
|
for (int xOff = 0; xOff < wh; ++xOff) {
|
|
temp[yOff*wh+xOff] = gaussian2d_value(xOff-halfFilterSize, yOff-halfFilterSize, sigma);
|
|
|
|
filterTot += temp[yOff*wh+xOff];
|
|
}
|
|
}
|
|
|
|
// normalize the kernel
|
|
for (int yOff = 0; yOff < wh; ++yOff) {
|
|
for (int xOff = 0; xOff < wh; ++xOff) {
|
|
temp[yOff*wh+xOff] /= filterTot;
|
|
}
|
|
}
|
|
|
|
return temp;
|
|
}
|
|
|
|
static SkPMColor blur_pixel(const SkBitmap& bm, int x, int y, float* kernel, int wh) {
|
|
SkASSERT(wh & 0x1);
|
|
|
|
int halfFilterSize = (wh-1)/2;
|
|
|
|
float r = 0.0f, g = 0.0f, b = 0.0f;
|
|
for (int yOff = 0; yOff < wh; ++yOff) {
|
|
int ySamp = y + yOff - halfFilterSize;
|
|
|
|
if (ySamp < 0) {
|
|
ySamp = 0;
|
|
} else if (ySamp > bm.height()-1) {
|
|
ySamp = bm.height()-1;
|
|
}
|
|
|
|
for (int xOff = 0; xOff < wh; ++xOff) {
|
|
int xSamp = x + xOff - halfFilterSize;
|
|
|
|
if (xSamp < 0) {
|
|
xSamp = 0;
|
|
} else if (xSamp > bm.width()-1) {
|
|
xSamp = bm.width()-1;
|
|
}
|
|
|
|
float filter = kernel[yOff*wh + xOff];
|
|
|
|
SkPMColor c = *bm.getAddr32(xSamp, ySamp);
|
|
|
|
r += SkGetPackedR32(c) * filter;
|
|
g += SkGetPackedG32(c) * filter;
|
|
b += SkGetPackedB32(c) * filter;
|
|
}
|
|
}
|
|
|
|
U8CPU r8, g8, b8;
|
|
|
|
r8 = (U8CPU) (r+0.5f);
|
|
g8 = (U8CPU) (g+0.5f);
|
|
b8 = (U8CPU) (b+0.5f);
|
|
|
|
return SkPackARGB32(255, r8, g8, b8);
|
|
}
|
|
|
|
SkBitmap slow_blur(const SkBitmap& src, float sigma) {
|
|
SkBitmap dst;
|
|
|
|
dst.allocN32Pixels(src.width(), src.height(), true);
|
|
|
|
int wh;
|
|
std::unique_ptr<float[]> kernel(create_2d_kernel(sigma, &wh));
|
|
|
|
for (int y = 0; y < src.height(); ++y) {
|
|
for (int x = 0; x < src.width(); ++x) {
|
|
*dst.getAddr32(x, y) = blur_pixel(src, x, y, kernel.get(), wh);
|
|
}
|
|
}
|
|
|
|
return dst;
|
|
}
|
|
|
|
// compute the intersection point between the diagonal and the ellipse in the
|
|
// lower right corner
|
|
static SkPoint intersection(SkScalar w, SkScalar h) {
|
|
SkASSERT(w > 0.0f || h > 0.0f);
|
|
|
|
return SkPoint::Make(w / SK_ScalarSqrt2, h / SK_ScalarSqrt2);
|
|
}
|
|
|
|
// Use the intersection of the corners' diagonals with their ellipses to shrink
|
|
// the bounding rect
|
|
SkRect compute_central_occluder(const SkRRect& rr) {
|
|
const SkRect r = rr.getBounds();
|
|
|
|
SkScalar newL = r.fLeft, newT = r.fTop, newR = r.fRight, newB = r.fBottom;
|
|
|
|
SkVector radii = rr.radii(SkRRect::kUpperLeft_Corner);
|
|
if (!radii.isZero()) {
|
|
SkPoint p = intersection(radii.fX, radii.fY);
|
|
|
|
newL = SkTMax(newL, r.fLeft + radii.fX - p.fX);
|
|
newT = SkTMax(newT, r.fTop + radii.fY - p.fY);
|
|
}
|
|
|
|
radii = rr.radii(SkRRect::kUpperRight_Corner);
|
|
if (!radii.isZero()) {
|
|
SkPoint p = intersection(radii.fX, radii.fY);
|
|
|
|
newR = SkTMin(newR, r.fRight + p.fX - radii.fX);
|
|
newT = SkTMax(newT, r.fTop + radii.fY - p.fY);
|
|
}
|
|
|
|
radii = rr.radii(SkRRect::kLowerRight_Corner);
|
|
if (!radii.isZero()) {
|
|
SkPoint p = intersection(radii.fX, radii.fY);
|
|
|
|
newR = SkTMin(newR, r.fRight + p.fX - radii.fX);
|
|
newB = SkTMin(newB, r.fBottom - radii.fY + p.fY);
|
|
}
|
|
|
|
radii = rr.radii(SkRRect::kLowerLeft_Corner);
|
|
if (!radii.isZero()) {
|
|
SkPoint p = intersection(radii.fX, radii.fY);
|
|
|
|
newL = SkTMax(newL, r.fLeft + radii.fX - p.fX);
|
|
newB = SkTMin(newB, r.fBottom - radii.fY + p.fY);
|
|
}
|
|
|
|
return SkRect::MakeLTRB(newL, newT, newR, newB);
|
|
}
|
|
|
|
// The widest inset rect
|
|
SkRect compute_widest_occluder(const SkRRect& rr) {
|
|
const SkRect& r = rr.getBounds();
|
|
|
|
const SkVector& ul = rr.radii(SkRRect::kUpperLeft_Corner);
|
|
const SkVector& ur = rr.radii(SkRRect::kUpperRight_Corner);
|
|
const SkVector& lr = rr.radii(SkRRect::kLowerRight_Corner);
|
|
const SkVector& ll = rr.radii(SkRRect::kLowerLeft_Corner);
|
|
|
|
SkScalar maxT = SkTMax(ul.fY, ur.fY);
|
|
SkScalar maxB = SkTMax(ll.fY, lr.fY);
|
|
|
|
return SkRect::MakeLTRB(r.fLeft, r.fTop + maxT, r.fRight, r.fBottom - maxB);
|
|
|
|
}
|
|
|
|
// The tallest inset rect
|
|
SkRect compute_tallest_occluder(const SkRRect& rr) {
|
|
const SkRect& r = rr.getBounds();
|
|
|
|
const SkVector& ul = rr.radii(SkRRect::kUpperLeft_Corner);
|
|
const SkVector& ur = rr.radii(SkRRect::kUpperRight_Corner);
|
|
const SkVector& lr = rr.radii(SkRRect::kLowerRight_Corner);
|
|
const SkVector& ll = rr.radii(SkRRect::kLowerLeft_Corner);
|
|
|
|
SkScalar maxL = SkTMax(ul.fX, ll.fX);
|
|
SkScalar maxR = SkTMax(ur.fX, lr.fX);
|
|
|
|
return SkRect::MakeLTRB(r.fLeft + maxL, r.fTop, r.fRight - maxR, r.fBottom);
|
|
}
|
|
|
|
bool copy_to(SkBitmap* dst, SkColorType dstColorType, const SkBitmap& src) {
|
|
SkPixmap srcPM;
|
|
if (!src.peekPixels(&srcPM)) {
|
|
return false;
|
|
}
|
|
|
|
SkBitmap tmpDst;
|
|
SkImageInfo dstInfo = srcPM.info().makeColorType(dstColorType);
|
|
if (!tmpDst.setInfo(dstInfo)) {
|
|
return false;
|
|
}
|
|
|
|
if (!tmpDst.tryAllocPixels()) {
|
|
return false;
|
|
}
|
|
|
|
SkPixmap dstPM;
|
|
if (!tmpDst.peekPixels(&dstPM)) {
|
|
return false;
|
|
}
|
|
|
|
if (!srcPM.readPixels(dstPM)) {
|
|
return false;
|
|
}
|
|
|
|
dst->swap(tmpDst);
|
|
return true;
|
|
}
|
|
|
|
void copy_to_g8(SkBitmap* dst, const SkBitmap& src) {
|
|
SkASSERT(kBGRA_8888_SkColorType == src.colorType() ||
|
|
kRGBA_8888_SkColorType == src.colorType());
|
|
|
|
SkImageInfo grayInfo = src.info().makeColorType(kGray_8_SkColorType);
|
|
dst->allocPixels(grayInfo);
|
|
uint8_t* dst8 = (uint8_t*)dst->getPixels();
|
|
const uint32_t* src32 = (const uint32_t*)src.getPixels();
|
|
|
|
const int w = src.width();
|
|
const int h = src.height();
|
|
const bool isBGRA = (kBGRA_8888_SkColorType == src.colorType());
|
|
for (int y = 0; y < h; ++y) {
|
|
if (isBGRA) {
|
|
// BGRA
|
|
for (int x = 0; x < w; ++x) {
|
|
uint32_t s = src32[x];
|
|
dst8[x] = SkComputeLuminance((s >> 16) & 0xFF, (s >> 8) & 0xFF, s & 0xFF);
|
|
}
|
|
} else {
|
|
// RGBA
|
|
for (int x = 0; x < w; ++x) {
|
|
uint32_t s = src32[x];
|
|
dst8[x] = SkComputeLuminance(s & 0xFF, (s >> 8) & 0xFF, (s >> 16) & 0xFF);
|
|
}
|
|
}
|
|
src32 = (const uint32_t*)((const char*)src32 + src.rowBytes());
|
|
dst8 += dst->rowBytes();
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
static int scale255(float x) {
|
|
return sk_float_round2int(x * 255);
|
|
}
|
|
|
|
static unsigned diff(const SkColorType ct, const void* a, const void* b) {
|
|
int dr = 0,
|
|
dg = 0,
|
|
db = 0,
|
|
da = 0;
|
|
switch (ct) {
|
|
case kRGBA_8888_SkColorType:
|
|
case kBGRA_8888_SkColorType: {
|
|
SkPMColor c0 = *(const SkPMColor*)a;
|
|
SkPMColor c1 = *(const SkPMColor*)b;
|
|
dr = SkGetPackedR32(c0) - SkGetPackedR32(c1);
|
|
dg = SkGetPackedG32(c0) - SkGetPackedG32(c1);
|
|
db = SkGetPackedB32(c0) - SkGetPackedB32(c1);
|
|
da = SkGetPackedA32(c0) - SkGetPackedA32(c1);
|
|
} break;
|
|
case kRGB_565_SkColorType: {
|
|
uint16_t c0 = *(const uint16_t*)a;
|
|
uint16_t c1 = *(const uint16_t*)b;
|
|
dr = SkGetPackedR16(c0) - SkGetPackedR16(c1);
|
|
dg = SkGetPackedG16(c0) - SkGetPackedG16(c1);
|
|
db = SkGetPackedB16(c0) - SkGetPackedB16(c1);
|
|
} break;
|
|
case kARGB_4444_SkColorType: {
|
|
uint16_t c0 = *(const uint16_t*)a;
|
|
uint16_t c1 = *(const uint16_t*)b;
|
|
dr = SkGetPackedR4444(c0) - SkGetPackedR4444(c1);
|
|
dg = SkGetPackedG4444(c0) - SkGetPackedG4444(c1);
|
|
db = SkGetPackedB4444(c0) - SkGetPackedB4444(c1);
|
|
da = SkGetPackedA4444(c0) - SkGetPackedA4444(c1);
|
|
} break;
|
|
case kAlpha_8_SkColorType:
|
|
case kGray_8_SkColorType:
|
|
da = (const uint8_t*)a - (const uint8_t*)b;
|
|
break;
|
|
case kRGBA_F16_SkColorType: {
|
|
const SkPM4f* c0 = (const SkPM4f*)a;
|
|
const SkPM4f* c1 = (const SkPM4f*)b;
|
|
dr = scale255(c0->r() - c1->r());
|
|
dg = scale255(c0->g() - c1->g());
|
|
db = scale255(c0->b() - c1->b());
|
|
da = scale255(c0->a() - c1->a());
|
|
} break;
|
|
default:
|
|
return 0;
|
|
}
|
|
dr = SkAbs32(dr);
|
|
dg = SkAbs32(dg);
|
|
db = SkAbs32(db);
|
|
da = SkAbs32(da);
|
|
return SkMax32(dr, SkMax32(dg, SkMax32(db, da)));
|
|
}
|
|
|
|
bool equal_pixels(const SkPixmap& a, const SkPixmap& b, unsigned maxDiff) {
|
|
if (a.width() != b.width() ||
|
|
a.height() != b.height() ||
|
|
a.colorType() != b.colorType() ||
|
|
a.colorSpace() != b.colorSpace())
|
|
{
|
|
return false;
|
|
}
|
|
|
|
for (int y = 0; y < a.height(); ++y) {
|
|
const char* aptr = (const char*)a.addr(0, y);
|
|
const char* bptr = (const char*)b.addr(0, y);
|
|
if (memcmp(aptr, bptr, a.width() * a.info().bytesPerPixel())) {
|
|
for (int x = 0; x < a.width(); ++x) {
|
|
if (diff(a.colorType(), a.addr(x, y), b.addr(x, y)) > maxDiff) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
aptr += a.rowBytes();
|
|
bptr += b.rowBytes();
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool equal_pixels(const SkBitmap& bm0, const SkBitmap& bm1, unsigned maxDiff) {
|
|
SkPixmap pm0, pm1;
|
|
return bm0.peekPixels(&pm0) && bm1.peekPixels(&pm1) && equal_pixels(pm0, pm1, maxDiff);
|
|
}
|
|
} // namespace sk_tool_utils
|