1 /* 2 * Copyright 2012 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "picture_utils.h" 9 #include "SkBitmap.h" 10 #include "SkColorPriv.h" 11 #include "SkImageEncoder.h" 12 #include "SkOSFile.h" 13 #include "SkPicture.h" 14 #include "SkStream.h" 15 #include "SkString.h" 16 17 namespace sk_tools { force_all_opaque(const SkBitmap & bitmap)18 void force_all_opaque(const SkBitmap& bitmap) { 19 SkASSERT(nullptr == bitmap.getTexture()); 20 SkASSERT(kN32_SkColorType == bitmap.colorType()); 21 if (bitmap.getTexture() || kN32_SkColorType == bitmap.colorType()) { 22 return; 23 } 24 25 SkAutoLockPixels lock(bitmap); 26 for (int y = 0; y < bitmap.height(); y++) { 27 for (int x = 0; x < bitmap.width(); x++) { 28 *bitmap.getAddr32(x, y) |= (SK_A32_MASK << SK_A32_SHIFT); 29 } 30 } 31 } 32 replace_char(SkString * str,const char oldChar,const char newChar)33 void replace_char(SkString* str, const char oldChar, const char newChar) { 34 if (nullptr == str) { 35 return; 36 } 37 for (size_t i = 0; i < str->size(); ++i) { 38 if (oldChar == str->operator[](i)) { 39 str->operator[](i) = newChar; 40 } 41 } 42 } 43 is_percentage(const char * const string)44 bool is_percentage(const char* const string) { 45 SkString skString(string); 46 return skString.endsWith("%"); 47 } 48 setup_bitmap(SkBitmap * bitmap,int width,int height)49 void setup_bitmap(SkBitmap* bitmap, int width, int height) { 50 bitmap->allocN32Pixels(width, height); 51 bitmap->eraseColor(SK_ColorTRANSPARENT); 52 } 53 write_bitmap_to_disk(const SkBitmap & bm,const SkString & dirPath,const char * subdirOrNull,const SkString & baseName)54 bool write_bitmap_to_disk(const SkBitmap& bm, const SkString& dirPath, 55 const char *subdirOrNull, const SkString& baseName) { 56 SkString partialPath; 57 if (subdirOrNull) { 58 partialPath = SkOSPath::Join(dirPath.c_str(), subdirOrNull); 59 sk_mkdir(partialPath.c_str()); 60 } else { 61 partialPath.set(dirPath); 62 } 63 SkString fullPath = SkOSPath::Join(partialPath.c_str(), baseName.c_str()); 64 if (SkImageEncoder::EncodeFile(fullPath.c_str(), bm, SkImageEncoder::kPNG_Type, 100)) { 65 return true; 66 } else { 67 SkDebugf("Failed to write the bitmap to %s.\n", fullPath.c_str()); 68 return false; 69 } 70 } 71 72 } // namespace sk_tools 73