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 "SkColorPriv.h" 10 #include "SkBitmap.h" 11 #include "SkPicture.h" 12 #include "SkString.h" 13 #include "SkStream.h" 14 15 namespace sk_tools { force_all_opaque(const SkBitmap & bitmap)16 void force_all_opaque(const SkBitmap& bitmap) { 17 SkASSERT(NULL == bitmap.getTexture()); 18 SkASSERT(SkBitmap::kARGB_8888_Config == bitmap.config()); 19 if (NULL != bitmap.getTexture() || SkBitmap::kARGB_8888_Config == bitmap.config()) { 20 return; 21 } 22 23 SkAutoLockPixels lock(bitmap); 24 for (int y = 0; y < bitmap.height(); y++) { 25 for (int x = 0; x < bitmap.width(); x++) { 26 *bitmap.getAddr32(x, y) |= (SK_A32_MASK << SK_A32_SHIFT); 27 } 28 } 29 } 30 make_filepath(SkString * path,const SkString & dir,const SkString & name)31 void make_filepath(SkString* path, const SkString& dir, const SkString& name) { 32 size_t len = dir.size(); 33 path->set(dir); 34 if (0 < len && '/' != dir[len - 1]) { 35 path->append("/"); 36 } 37 path->append(name); 38 } 39 40 namespace { is_path_seperator(const char chr)41 bool is_path_seperator(const char chr) { 42 #if defined(SK_BUILD_FOR_WIN) 43 return chr == '\\' || chr == '/'; 44 #else 45 return chr == '/'; 46 #endif 47 } 48 } 49 get_basename(SkString * basename,const SkString & path)50 void get_basename(SkString* basename, const SkString& path) { 51 if (path.size() == 0) { 52 basename->reset(); 53 return; 54 } 55 56 size_t end = path.size() - 1; 57 58 // Paths pointing to directories often have a trailing slash, 59 // we remove it so the name is not empty 60 if (is_path_seperator(path[end])) { 61 if (end == 0) { 62 basename->reset(); 63 return; 64 } 65 66 end -= 1; 67 } 68 69 size_t i = end; 70 do { 71 --i; 72 if (is_path_seperator(path[i])) { 73 const char* basenameStart = path.c_str() + i + 1; 74 size_t basenameLength = end - i; 75 basename->set(basenameStart, basenameLength); 76 return; 77 } 78 } while (i > 0); 79 80 basename->set(path.c_str(), end + 1); 81 } 82 is_percentage(const char * const string)83 bool is_percentage(const char* const string) { 84 SkString skString(string); 85 return skString.endsWith("%"); 86 } 87 setup_bitmap(SkBitmap * bitmap,int width,int height)88 void setup_bitmap(SkBitmap* bitmap, int width, int height) { 89 bitmap->setConfig(SkBitmap::kARGB_8888_Config, width, height); 90 bitmap->allocPixels(); 91 bitmap->eraseColor(SK_ColorTRANSPARENT); 92 } 93 } 94