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616 lines
20 KiB
616 lines
20 KiB
/* |
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* Copyright 2014 Google Inc. |
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* |
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* Use of this source code is governed by a BSD-style license that can be |
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* found in the LICENSE file. |
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*/ |
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#include "sk_tool_utils.h" |
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#include "sk_tool_utils_flags.h" |
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|
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#include "Resources.h" |
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#include "SkBitmap.h" |
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#include "SkCanvas.h" |
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#include "SkCommonFlags.h" |
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#include "SkFontMgr.h" |
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#include "SkFontStyle.h" |
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#include "SkPixelRef.h" |
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#include "SkPoint3.h" |
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#include "SkShader.h" |
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#include "SkTestScalerContext.h" |
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#include "SkTextBlob.h" |
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DEFINE_bool(portableFonts, false, "Use portable fonts"); |
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namespace sk_tool_utils { |
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/* these are the default fonts chosen by Chrome for serif, sans-serif, and monospace */ |
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static const char* gStandardFontNames[][3] = { |
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{ "Times", "Helvetica", "Courier" }, // Mac |
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{ "Times New Roman", "Helvetica", "Courier" }, // iOS |
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{ "Times New Roman", "Arial", "Courier New" }, // Win |
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{ "Times New Roman", "Arial", "Monospace" }, // Ubuntu |
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{ "serif", "sans-serif", "monospace" }, // Android |
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{ "Tinos", "Arimo", "Cousine" } // ChromeOS |
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}; |
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const char* platform_font_name(const char* name) { |
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SkString platform = major_platform_os_name(); |
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int index; |
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if (!strcmp(name, "serif")) { |
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index = 0; |
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} else if (!strcmp(name, "san-serif")) { |
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index = 1; |
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} else if (!strcmp(name, "monospace")) { |
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index = 2; |
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} else { |
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return name; |
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} |
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if (platform.equals("Mac")) { |
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return gStandardFontNames[0][index]; |
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} |
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if (platform.equals("iOS")) { |
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return gStandardFontNames[1][index]; |
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} |
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if (platform.equals("Win")) { |
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return gStandardFontNames[2][index]; |
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} |
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if (platform.equals("Ubuntu") || platform.equals("Debian")) { |
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return gStandardFontNames[3][index]; |
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} |
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if (platform.equals("Android")) { |
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return gStandardFontNames[4][index]; |
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} |
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if (platform.equals("ChromeOS")) { |
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return gStandardFontNames[5][index]; |
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} |
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return name; |
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} |
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const char* platform_os_emoji() { |
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const char* osName = platform_os_name(); |
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if (!strcmp(osName, "Android") || !strcmp(osName, "Ubuntu") || !strcmp(osName, "Debian")) { |
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return "CBDT"; |
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} |
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if (!strncmp(osName, "Mac", 3) || !strncmp(osName, "iOS", 3)) { |
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return "SBIX"; |
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} |
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if (!strncmp(osName, "Win", 3)) { |
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return "COLR"; |
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} |
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return ""; |
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} |
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sk_sp<SkTypeface> emoji_typeface() { |
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if (!strcmp(sk_tool_utils::platform_os_emoji(), "CBDT")) { |
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return MakeResourceAsTypeface("/fonts/Funkster.ttf"); |
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} |
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if (!strcmp(sk_tool_utils::platform_os_emoji(), "SBIX")) { |
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return SkTypeface::MakeFromName("Apple Color Emoji", SkFontStyle()); |
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} |
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if (!strcmp(sk_tool_utils::platform_os_emoji(), "COLR")) { |
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sk_sp<SkFontMgr> fm(SkFontMgr::RefDefault()); |
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const char *colorEmojiFontName = "Segoe UI Emoji"; |
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sk_sp<SkTypeface> typeface(fm->matchFamilyStyle(colorEmojiFontName, SkFontStyle())); |
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if (typeface) { |
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return typeface; |
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} |
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sk_sp<SkTypeface> fallback(fm->matchFamilyStyleCharacter( |
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colorEmojiFontName, SkFontStyle(), nullptr /* bcp47 */, 0 /* bcp47Count */, |
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0x1f4b0 /* character: 💰 */)); |
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if (fallback) { |
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return fallback; |
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} |
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// If we don't have Segoe UI Emoji and can't find a fallback, try Segoe UI Symbol. |
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// Windows 7 does not have Segoe UI Emoji; Segoe UI Symbol has the (non - color) emoji. |
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return SkTypeface::MakeFromName("Segoe UI Symbol", SkFontStyle()); |
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} |
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return nullptr; |
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} |
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const char* emoji_sample_text() { |
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if (!strcmp(sk_tool_utils::platform_os_emoji(), "CBDT")) { |
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return "Hamburgefons"; |
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} |
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if (!strcmp(sk_tool_utils::platform_os_emoji(), "SBIX") || |
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!strcmp(sk_tool_utils::platform_os_emoji(), "COLR")) |
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{ |
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return "\xF0\x9F\x92\xB0" "\xF0\x9F\x8F\xA1" "\xF0\x9F\x8E\x85" // 💰🏡🎅 |
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"\xF0\x9F\x8D\xAA" "\xF0\x9F\x8D\x95" "\xF0\x9F\x9A\x80" // 🍪🍕🚀 |
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"\xF0\x9F\x9A\xBB" "\xF0\x9F\x92\xA9" "\xF0\x9F\x93\xB7" // 🚻💩📷 |
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"\xF0\x9F\x93\xA6" // 📦 |
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"\xF0\x9F\x87\xBA" "\xF0\x9F\x87\xB8" "\xF0\x9F\x87\xA6"; // 🇺🇸🇦 |
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} |
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return ""; |
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} |
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const char* platform_os_name() { |
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for (int index = 0; index < FLAGS_key.count(); index += 2) { |
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if (!strcmp("os", FLAGS_key[index])) { |
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return FLAGS_key[index + 1]; |
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} |
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} |
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// when running SampleApp or dm without a --key pair, omit the platform name |
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return ""; |
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} |
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// omit version number in returned value |
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SkString major_platform_os_name() { |
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SkString name; |
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for (int index = 0; index < FLAGS_key.count(); index += 2) { |
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if (!strcmp("os", FLAGS_key[index])) { |
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const char* platform = FLAGS_key[index + 1]; |
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const char* end = platform; |
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while (*end && (*end < '0' || *end > '9')) { |
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++end; |
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} |
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name.append(platform, end - platform); |
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break; |
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} |
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} |
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return name; |
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} |
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const char* platform_extra_config(const char* config) { |
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for (int index = 0; index < FLAGS_key.count(); index += 2) { |
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if (!strcmp("extra_config", FLAGS_key[index]) && !strcmp(config, FLAGS_key[index + 1])) { |
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return config; |
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} |
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} |
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return ""; |
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} |
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const char* colortype_name(SkColorType ct) { |
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switch (ct) { |
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case kUnknown_SkColorType: return "Unknown"; |
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case kAlpha_8_SkColorType: return "Alpha_8"; |
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case kARGB_4444_SkColorType: return "ARGB_4444"; |
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case kRGB_565_SkColorType: return "RGB_565"; |
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case kRGBA_8888_SkColorType: return "RGBA_8888"; |
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case kBGRA_8888_SkColorType: return "BGRA_8888"; |
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case kRGBA_F16_SkColorType: return "RGBA_F16"; |
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default: |
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SkASSERT(false); |
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return "unexpected colortype"; |
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} |
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} |
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SkColor color_to_565(SkColor color) { |
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SkPMColor pmColor = SkPreMultiplyColor(color); |
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U16CPU color16 = SkPixel32ToPixel16(pmColor); |
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return SkPixel16ToColor(color16); |
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} |
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sk_sp<SkTypeface> create_portable_typeface(const char* name, SkFontStyle style) { |
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return create_font(name, style); |
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} |
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void set_portable_typeface(SkPaint* paint, const char* name, SkFontStyle style) { |
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paint->setTypeface(create_font(name, style)); |
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} |
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void write_pixels(SkCanvas* canvas, const SkBitmap& bitmap, int x, int y, |
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SkColorType colorType, SkAlphaType alphaType) { |
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SkBitmap tmp(bitmap); |
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const SkImageInfo info = SkImageInfo::Make(tmp.width(), tmp.height(), colorType, alphaType); |
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canvas->writePixels(info, tmp.getPixels(), tmp.rowBytes(), x, y); |
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} |
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sk_sp<SkShader> create_checkerboard_shader(SkColor c1, SkColor c2, int size) { |
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SkBitmap bm; |
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bm.allocPixels(SkImageInfo::MakeS32(2 * size, 2 * size, kPremul_SkAlphaType)); |
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bm.eraseColor(c1); |
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bm.eraseArea(SkIRect::MakeLTRB(0, 0, size, size), c2); |
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bm.eraseArea(SkIRect::MakeLTRB(size, size, 2 * size, 2 * size), c2); |
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return SkShader::MakeBitmapShader( |
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bm, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode); |
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} |
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SkBitmap create_checkerboard_bitmap(int w, int h, SkColor c1, SkColor c2, int checkSize) { |
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SkBitmap bitmap; |
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bitmap.allocPixels(SkImageInfo::MakeS32(w, h, kPremul_SkAlphaType)); |
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SkCanvas canvas(bitmap); |
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sk_tool_utils::draw_checkerboard(&canvas, c1, c2, checkSize); |
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return bitmap; |
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} |
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void draw_checkerboard(SkCanvas* canvas, SkColor c1, SkColor c2, int size) { |
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SkPaint paint; |
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paint.setShader(create_checkerboard_shader(c1, c2, size)); |
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paint.setBlendMode(SkBlendMode::kSrc); |
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canvas->drawPaint(paint); |
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} |
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SkBitmap create_string_bitmap(int w, int h, SkColor c, int x, int y, |
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int textSize, const char* str) { |
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SkBitmap bitmap; |
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bitmap.allocN32Pixels(w, h); |
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SkCanvas canvas(bitmap); |
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SkPaint paint; |
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paint.setAntiAlias(true); |
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sk_tool_utils::set_portable_typeface(&paint); |
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paint.setColor(c); |
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paint.setTextSize(SkIntToScalar(textSize)); |
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canvas.clear(0x00000000); |
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canvas.drawString(str, SkIntToScalar(x), SkIntToScalar(y), paint); |
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// Tag data as sRGB (without doing any color space conversion). Color-space aware configs |
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// will process this correctly but legacy configs will render as if this returned N32. |
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SkBitmap result; |
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result.setInfo(SkImageInfo::MakeS32(w, h, kPremul_SkAlphaType)); |
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result.setPixelRef(sk_ref_sp(bitmap.pixelRef()), 0, 0); |
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return result; |
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} |
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void add_to_text_blob(SkTextBlobBuilder* builder, const char* text, const SkPaint& origPaint, |
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SkScalar x, SkScalar y) { |
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SkPaint paint(origPaint); |
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SkTDArray<uint16_t> glyphs; |
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size_t len = strlen(text); |
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glyphs.append(paint.textToGlyphs(text, len, nullptr)); |
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paint.textToGlyphs(text, len, glyphs.begin()); |
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paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding); |
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const SkTextBlobBuilder::RunBuffer& run = builder->allocRun(paint, glyphs.count(), x, y, |
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nullptr); |
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memcpy(run.glyphs, glyphs.begin(), glyphs.count() * sizeof(uint16_t)); |
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} |
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static inline void norm_to_rgb(SkBitmap* bm, int x, int y, const SkVector3& norm) { |
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SkASSERT(SkScalarNearlyEqual(norm.length(), 1.0f)); |
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unsigned char r = static_cast<unsigned char>((0.5f * norm.fX + 0.5f) * 255); |
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unsigned char g = static_cast<unsigned char>((-0.5f * norm.fY + 0.5f) * 255); |
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unsigned char b = static_cast<unsigned char>((0.5f * norm.fZ + 0.5f) * 255); |
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*bm->getAddr32(x, y) = SkPackARGB32(0xFF, r, g, b); |
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} |
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void create_hemi_normal_map(SkBitmap* bm, const SkIRect& dst) { |
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const SkPoint center = SkPoint::Make(dst.fLeft + (dst.width() / 2.0f), |
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dst.fTop + (dst.height() / 2.0f)); |
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const SkPoint halfSize = SkPoint::Make(dst.width() / 2.0f, dst.height() / 2.0f); |
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SkVector3 norm; |
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for (int y = dst.fTop; y < dst.fBottom; ++y) { |
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for (int x = dst.fLeft; x < dst.fRight; ++x) { |
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norm.fX = (x + 0.5f - center.fX) / halfSize.fX; |
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norm.fY = (y + 0.5f - center.fY) / halfSize.fY; |
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SkScalar tmp = norm.fX * norm.fX + norm.fY * norm.fY; |
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if (tmp >= 1.0f) { |
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norm.set(0.0f, 0.0f, 1.0f); |
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} else { |
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norm.fZ = sqrtf(1.0f - tmp); |
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} |
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norm_to_rgb(bm, x, y, norm); |
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} |
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} |
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} |
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void create_frustum_normal_map(SkBitmap* bm, const SkIRect& dst) { |
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const SkPoint center = SkPoint::Make(dst.fLeft + (dst.width() / 2.0f), |
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dst.fTop + (dst.height() / 2.0f)); |
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SkIRect inner = dst; |
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inner.inset(dst.width()/4, dst.height()/4); |
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SkPoint3 norm; |
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const SkPoint3 left = SkPoint3::Make(-SK_ScalarRoot2Over2, 0.0f, SK_ScalarRoot2Over2); |
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const SkPoint3 up = SkPoint3::Make(0.0f, -SK_ScalarRoot2Over2, SK_ScalarRoot2Over2); |
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const SkPoint3 right = SkPoint3::Make(SK_ScalarRoot2Over2, 0.0f, SK_ScalarRoot2Over2); |
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const SkPoint3 down = SkPoint3::Make(0.0f, SK_ScalarRoot2Over2, SK_ScalarRoot2Over2); |
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for (int y = dst.fTop; y < dst.fBottom; ++y) { |
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for (int x = dst.fLeft; x < dst.fRight; ++x) { |
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if (inner.contains(x, y)) { |
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norm.set(0.0f, 0.0f, 1.0f); |
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} else { |
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SkScalar locX = x + 0.5f - center.fX; |
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SkScalar locY = y + 0.5f - center.fY; |
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if (locX >= 0.0f) { |
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if (locY > 0.0f) { |
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norm = locX >= locY ? right : down; // LR corner |
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} else { |
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norm = locX > -locY ? right : up; // UR corner |
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} |
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} else { |
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if (locY > 0.0f) { |
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norm = -locX > locY ? left : down; // LL corner |
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} else { |
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norm = locX > locY ? up : left; // UL corner |
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} |
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} |
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} |
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norm_to_rgb(bm, x, y, norm); |
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} |
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} |
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} |
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void create_tetra_normal_map(SkBitmap* bm, const SkIRect& dst) { |
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const SkPoint center = SkPoint::Make(dst.fLeft + (dst.width() / 2.0f), |
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dst.fTop + (dst.height() / 2.0f)); |
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static const SkScalar k1OverRoot3 = 0.5773502692f; |
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SkPoint3 norm; |
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const SkPoint3 leftUp = SkPoint3::Make(-k1OverRoot3, -k1OverRoot3, k1OverRoot3); |
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const SkPoint3 rightUp = SkPoint3::Make(k1OverRoot3, -k1OverRoot3, k1OverRoot3); |
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const SkPoint3 down = SkPoint3::Make(0.0f, SK_ScalarRoot2Over2, SK_ScalarRoot2Over2); |
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for (int y = dst.fTop; y < dst.fBottom; ++y) { |
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for (int x = dst.fLeft; x < dst.fRight; ++x) { |
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SkScalar locX = x + 0.5f - center.fX; |
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SkScalar locY = y + 0.5f - center.fY; |
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if (locX >= 0.0f) { |
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if (locY > 0.0f) { |
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norm = locX >= locY ? rightUp : down; // LR corner |
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} else { |
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norm = rightUp; |
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} |
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} else { |
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if (locY > 0.0f) { |
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norm = -locX > locY ? leftUp : down; // LL corner |
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} else { |
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norm = leftUp; |
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} |
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} |
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norm_to_rgb(bm, x, y, norm); |
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} |
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} |
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} |
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#if defined(_MSC_VER) |
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// MSVC takes ~2 minutes to compile this function with optimization. |
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// We don't really care to wait that long for this function. |
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#pragma optimize("", off) |
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#endif |
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void make_big_path(SkPath& path) { |
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#include "BigPathBench.inc" |
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} |
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static float gaussian2d_value(int x, int y, float sigma) { |
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// don't bother with the scale term since we're just going to normalize the |
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// kernel anyways |
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float temp = expf(-(x*x + y*y)/(2*sigma*sigma)); |
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return temp; |
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} |
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static float* create_2d_kernel(float sigma, int* filterSize) { |
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// We will actually take 2*halfFilterSize+1 samples (i.e., our filter kernel |
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// sizes are always odd) |
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int halfFilterSize = SkScalarCeilToInt(6*sigma)/2; |
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int wh = *filterSize = 2*halfFilterSize + 1; |
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float* temp = new float[wh*wh]; |
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float filterTot = 0.0f; |
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for (int yOff = 0; yOff < wh; ++yOff) { |
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for (int xOff = 0; xOff < wh; ++xOff) { |
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temp[yOff*wh+xOff] = gaussian2d_value(xOff-halfFilterSize, yOff-halfFilterSize, sigma); |
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filterTot += temp[yOff*wh+xOff]; |
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} |
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} |
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// normalize the kernel |
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for (int yOff = 0; yOff < wh; ++yOff) { |
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for (int xOff = 0; xOff < wh; ++xOff) { |
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temp[yOff*wh+xOff] /= filterTot; |
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} |
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} |
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return temp; |
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} |
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static SkPMColor blur_pixel(const SkBitmap& bm, int x, int y, float* kernel, int wh) { |
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SkASSERT(wh & 0x1); |
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int halfFilterSize = (wh-1)/2; |
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float r = 0.0f, g = 0.0f, b = 0.0f; |
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for (int yOff = 0; yOff < wh; ++yOff) { |
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int ySamp = y + yOff - halfFilterSize; |
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if (ySamp < 0) { |
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ySamp = 0; |
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} else if (ySamp > bm.height()-1) { |
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ySamp = bm.height()-1; |
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} |
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for (int xOff = 0; xOff < wh; ++xOff) { |
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int xSamp = x + xOff - halfFilterSize; |
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if (xSamp < 0) { |
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xSamp = 0; |
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} else if (xSamp > bm.width()-1) { |
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xSamp = bm.width()-1; |
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} |
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float filter = kernel[yOff*wh + xOff]; |
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SkPMColor c = *bm.getAddr32(xSamp, ySamp); |
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r += SkGetPackedR32(c) * filter; |
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g += SkGetPackedG32(c) * filter; |
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b += SkGetPackedB32(c) * filter; |
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} |
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} |
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U8CPU r8, g8, b8; |
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r8 = (U8CPU) (r+0.5f); |
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g8 = (U8CPU) (g+0.5f); |
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b8 = (U8CPU) (b+0.5f); |
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return SkPackARGB32(255, r8, g8, b8); |
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} |
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SkBitmap slow_blur(const SkBitmap& src, float sigma) { |
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SkBitmap dst; |
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dst.allocN32Pixels(src.width(), src.height(), true); |
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int wh; |
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std::unique_ptr<float[]> kernel(create_2d_kernel(sigma, &wh)); |
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for (int y = 0; y < src.height(); ++y) { |
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for (int x = 0; x < src.width(); ++x) { |
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*dst.getAddr32(x, y) = blur_pixel(src, x, y, kernel.get(), wh); |
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} |
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} |
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return dst; |
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} |
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// compute the intersection point between the diagonal and the ellipse in the |
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// lower right corner |
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static SkPoint intersection(SkScalar w, SkScalar h) { |
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SkASSERT(w > 0.0f || h > 0.0f); |
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return SkPoint::Make(w / SK_ScalarSqrt2, h / SK_ScalarSqrt2); |
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} |
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// Use the intersection of the corners' diagonals with their ellipses to shrink |
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// the bounding rect |
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SkRect compute_central_occluder(const SkRRect& rr) { |
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const SkRect r = rr.getBounds(); |
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SkScalar newL = r.fLeft, newT = r.fTop, newR = r.fRight, newB = r.fBottom; |
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SkVector radii = rr.radii(SkRRect::kUpperLeft_Corner); |
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if (!radii.isZero()) { |
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SkPoint p = intersection(radii.fX, radii.fY); |
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newL = SkTMax(newL, r.fLeft + radii.fX - p.fX); |
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newT = SkTMax(newT, r.fTop + radii.fY - p.fY); |
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} |
|
|
|
radii = rr.radii(SkRRect::kUpperRight_Corner); |
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if (!radii.isZero()) { |
|
SkPoint p = intersection(radii.fX, radii.fY); |
|
|
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newR = SkTMin(newR, r.fRight + p.fX - radii.fX); |
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newT = SkTMax(newT, r.fTop + radii.fY - p.fY); |
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} |
|
|
|
radii = rr.radii(SkRRect::kLowerRight_Corner); |
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if (!radii.isZero()) { |
|
SkPoint p = intersection(radii.fX, radii.fY); |
|
|
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newR = SkTMin(newR, r.fRight + p.fX - radii.fX); |
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newB = SkTMin(newB, r.fBottom - radii.fY + p.fY); |
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} |
|
|
|
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); |
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} |
|
|
|
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(); |
|
} |
|
} |
|
|
|
} // namespace sk_tool_utils
|
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