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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "picture_utils.h"
#include "SkColorPriv.h"
#include "SkBitmap.h"
#include "SkPicture.h"
#include "SkString.h"
#include "SkStream.h"
namespace sk_tools {
void force_all_opaque(const SkBitmap& bitmap) {
SkASSERT(NULL == bitmap.getTexture());
SkASSERT(SkBitmap::kARGB_8888_Config == bitmap.config());
if (NULL != bitmap.getTexture() || SkBitmap::kARGB_8888_Config == bitmap.config()) {
return;
}
SkAutoLockPixels lock(bitmap);
for (int y = 0; y < bitmap.height(); y++) {
for (int x = 0; x < bitmap.width(); x++) {
*bitmap.getAddr32(x, y) |= (SK_A32_MASK << SK_A32_SHIFT);
}
}
}
void make_filepath(SkString* path, const SkString& dir, const SkString& name) {
size_t len = dir.size();
path->set(dir);
if (0 < len && '/' != dir[len - 1]) {
path->append("/");
}
path->append(name);
}
namespace {
bool is_path_seperator(const char chr) {
#if defined(SK_BUILD_FOR_WIN)
return chr == '\\' || chr == '/';
#else
return chr == '/';
#endif
}
}
void get_basename(SkString* basename, const SkString& path) {
if (path.size() == 0) {
basename->reset();
return;
}
size_t end = path.size() - 1;
// Paths pointing to directories often have a trailing slash,
// we remove it so the name is not empty
if (is_path_seperator(path[end])) {
if (end == 0) {
basename->reset();
return;
}
end -= 1;
}
size_t i = end;
do {
--i;
if (is_path_seperator(path[i])) {
const char* basenameStart = path.c_str() + i + 1;
size_t basenameLength = end - i;
basename->set(basenameStart, basenameLength);
return;
}
} while (i > 0);
basename->set(path.c_str(), end + 1);
}
bool is_percentage(const char* const string) {
SkString skString(string);
return skString.endsWith("%");
}
void setup_bitmap(SkBitmap* bitmap, int width, int height) {
bitmap->setConfig(SkBitmap::kARGB_8888_Config, width, height);
bitmap->allocPixels();
bitmap->eraseColor(SK_ColorTRANSPARENT);
}
}
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