2d2b9a0d8c
Review URL: https://codereview.appspot.com/6554045 git-svn-id: http://skia.googlecode.com/svn/trunk@5614 2bbb7eff-a529-9590-31e7-b0007b416f81
94 lines
2.5 KiB
C++
94 lines
2.5 KiB
C++
/*
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* Copyright 2012 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 "picture_utils.h"
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#include "SkColorPriv.h"
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#include "SkBitmap.h"
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#include "SkPicture.h"
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#include "SkString.h"
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#include "SkStream.h"
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namespace sk_tools {
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void force_all_opaque(const SkBitmap& bitmap) {
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SkASSERT(NULL == bitmap.getTexture());
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SkASSERT(SkBitmap::kARGB_8888_Config == bitmap.config());
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if (NULL != bitmap.getTexture() || SkBitmap::kARGB_8888_Config == bitmap.config()) {
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return;
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}
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SkAutoLockPixels lock(bitmap);
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for (int y = 0; y < bitmap.height(); y++) {
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for (int x = 0; x < bitmap.width(); x++) {
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*bitmap.getAddr32(x, y) |= (SK_A32_MASK << SK_A32_SHIFT);
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}
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}
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}
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void make_filepath(SkString* path, const SkString& dir, const SkString& name) {
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size_t len = dir.size();
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path->set(dir);
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if (0 < len && '/' != dir[len - 1]) {
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path->append("/");
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}
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path->append(name);
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}
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namespace {
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bool is_path_seperator(const char chr) {
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#if defined(SK_BUILD_FOR_WIN)
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return chr == '\\' || chr == '/';
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#else
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return chr == '/';
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#endif
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}
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}
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void get_basename(SkString* basename, const SkString& path) {
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if (path.size() == 0) {
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basename->reset();
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return;
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}
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size_t end = path.size() - 1;
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// Paths pointing to directories often have a trailing slash,
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// we remove it so the name is not empty
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if (is_path_seperator(path[end])) {
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if (end == 0) {
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basename->reset();
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return;
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}
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end -= 1;
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}
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size_t i = end;
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do {
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--i;
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if (is_path_seperator(path[i])) {
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const char* basenameStart = path.c_str() + i + 1;
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size_t basenameLength = end - i;
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basename->set(basenameStart, basenameLength);
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return;
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}
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} while (i > 0);
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basename->set(path.c_str(), end + 1);
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}
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bool is_percentage(const char* const string) {
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SkString skString(string);
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return skString.endsWith("%");
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}
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void setup_bitmap(SkBitmap* bitmap, int width, int height) {
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bitmap->setConfig(SkBitmap::kARGB_8888_Config, width, height);
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bitmap->allocPixels();
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bitmap->eraseColor(0);
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}
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}
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