mirror of
https://github.com/cocos/cocos-engine.git
synced 2026-09-11 02:00:16 +08:00
452 lines
18 KiB
C++
452 lines
18 KiB
C++
/****************************************************************************
|
|
Copyright (c) 2021-2022 Xiamen Yaji Software Co., Ltd.
|
|
|
|
http://www.cocos.com
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated engine source code (the "Software"), a limited,
|
|
worldwide, royalty-free, non-assignable, revocable and non-exclusive license
|
|
to use Cocos Creator solely to develop games on your target platforms. You shall
|
|
not use Cocos Creator software for developing other software or tools that's
|
|
used for developing games. You are not granted to publish, distribute,
|
|
sublicense, and/or sell copies of Cocos Creator.
|
|
|
|
The software or tools in this License Agreement are licensed, not sold.
|
|
Xiamen Yaji Software Co., Ltd. reserves all rights not expressly granted to you.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
****************************************************************************/
|
|
|
|
#include "platform/interfaces/modules/canvas/CanvasRenderingContext2D.h"
|
|
|
|
#include <array>
|
|
#include <cstdint>
|
|
#include <regex>
|
|
#include "base/csscolorparser.h"
|
|
#include "cocos/bindings/jswrapper/SeApi.h"
|
|
#include "cocos/bindings/manual/jsb_platform.h"
|
|
#include "math/Math.h"
|
|
#include "platform/FileUtils.h"
|
|
|
|
#if (CC_PLATFORM == CC_PLATFORM_WINDOWS)
|
|
#include "platform/win32/modules/CanvasRenderingContext2DDelegate.h"
|
|
#elif (CC_PLATFORM == CC_PLATFORM_ANDROID || CC_PLATFORM == CC_PLATFORM_OHOS)
|
|
#include "platform/java/modules/CanvasRenderingContext2DDelegate.h"
|
|
#elif (CC_PLATFORM == CC_PLATFORM_MAC_OSX || CC_PLATFORM == CC_PLATFORM_MAC_IOS)
|
|
#include "platform/apple/modules/CanvasRenderingContext2DDelegate.h"
|
|
#elif (CC_PLATFORM == CC_PLATFORM_LINUX)
|
|
#include "platform/linux/modules/CanvasRenderingContext2DDelegate.h"
|
|
#elif (CC_PLATFORM == CC_PLATFORM_QNX)
|
|
#include "platform/qnx/modules/CanvasRenderingContext2DDelegate.h"
|
|
#endif
|
|
|
|
using Vec2 = std::array<float, 2>;
|
|
using Color4F = std::array<float, 4>;
|
|
|
|
namespace {
|
|
void fillRectWithColor(uint8_t *buf, uint32_t totalWidth, uint32_t totalHeight, uint32_t x, uint32_t y, uint32_t width, uint32_t height, uint8_t r, uint8_t g, uint8_t b, uint8_t a) {
|
|
assert(x + width <= totalWidth);
|
|
assert(y + height <= totalHeight);
|
|
|
|
uint32_t y0 = y;
|
|
uint32_t y1 = y + height;
|
|
uint8_t *p;
|
|
for (uint32_t offsetY = y0; offsetY < y1; ++offsetY) {
|
|
for (uint32_t offsetX = x; offsetX < (x + width); ++offsetX) {
|
|
p = buf + (totalWidth * offsetY + offsetX) * 4;
|
|
*p++ = r;
|
|
*p++ = g;
|
|
*p++ = b;
|
|
*p++ = a;
|
|
}
|
|
}
|
|
}
|
|
} // namespace
|
|
|
|
namespace cc {
|
|
//using Size = std::array<float, 2>;
|
|
CanvasGradient::CanvasGradient() = default;
|
|
|
|
CanvasGradient::~CanvasGradient() = default;
|
|
|
|
void CanvasGradient::addColorStop(float offset, const std::string &color) {
|
|
//SE_LOGD("CanvasGradient::addColorStop: %p\n", this);
|
|
}
|
|
|
|
// CanvasRenderingContext2D
|
|
|
|
CanvasRenderingContext2D::CanvasRenderingContext2D(float width, float height)
|
|
: _width(width),
|
|
_height(height) {
|
|
_delegate = new CanvasRenderingContext2DDelegate();
|
|
//SE_LOGD("CanvasRenderingContext2D constructor: %p, width: %f, height: %f\n", this, width, height);
|
|
}
|
|
|
|
CanvasRenderingContext2D::~CanvasRenderingContext2D() {
|
|
delete _delegate;
|
|
}
|
|
|
|
void CanvasRenderingContext2D::clearRect(float x, float y, float width, float height) {
|
|
//SE_LOGD("CanvasRenderingContext2D::clearRect: %p, %f, %f, %f, %f\n", this, x, y, width, height);
|
|
recreateBufferIfNeeded();
|
|
_delegate->clearRect(x, y, width, height);
|
|
}
|
|
|
|
void CanvasRenderingContext2D::fillRect(float x, float y, float width, float height) {
|
|
recreateBufferIfNeeded();
|
|
_delegate->fillRect(x, y, width, height);
|
|
}
|
|
|
|
void CanvasRenderingContext2D::fillText(const std::string &text, float x, float y, float maxWidth) {
|
|
//SE_LOGD("CanvasRenderingContext2D::fillText: %s, offset: (%f, %f), %f\n", text.c_str(), x, y, maxWidth);
|
|
if (text.empty()) {
|
|
return;
|
|
}
|
|
recreateBufferIfNeeded();
|
|
_delegate->fillText(text, x, y, maxWidth);
|
|
}
|
|
|
|
void CanvasRenderingContext2D::strokeText(const std::string &text, float x, float y, float maxWidth) {
|
|
//SE_LOGD("CanvasRenderingContext2D::strokeText: %s, %f, %f, %f\n", text.c_str(), x, y, maxWidth);
|
|
if (text.empty()) {
|
|
return;
|
|
}
|
|
recreateBufferIfNeeded();
|
|
_delegate->strokeText(text, x, y, maxWidth);
|
|
}
|
|
|
|
cc::Size CanvasRenderingContext2D::measureText(const std::string &text) {
|
|
//SE_LOGD("CanvasRenderingContext2D::measureText: %s\n", text.c_str());
|
|
recreateBufferIfNeeded();
|
|
auto s = _delegate->measureText(text);
|
|
return cc::Size(s[0], s[1]);
|
|
}
|
|
|
|
ICanvasGradient *CanvasRenderingContext2D::createLinearGradient(float /*x0*/, float /*y0*/, float /*x1*/, float /*y1*/) {
|
|
return nullptr;
|
|
}
|
|
|
|
void CanvasRenderingContext2D::save() {
|
|
//SE_LOGD("CanvasRenderingContext2D::save\n");
|
|
_delegate->saveContext();
|
|
}
|
|
|
|
void CanvasRenderingContext2D::beginPath() {
|
|
//SE_LOGD("\n-----------begin------------------\nCanvasRenderingContext2D::beginPath\n");
|
|
recreateBufferIfNeeded();
|
|
_delegate->beginPath();
|
|
}
|
|
|
|
void CanvasRenderingContext2D::closePath() {
|
|
//SE_LOGD("CanvasRenderingContext2D::closePath\n");
|
|
_delegate->closePath();
|
|
}
|
|
|
|
void CanvasRenderingContext2D::moveTo(float x, float y) {
|
|
//SE_LOGD("CanvasRenderingContext2D::moveTo\n");
|
|
_delegate->moveTo(x, y);
|
|
}
|
|
|
|
void CanvasRenderingContext2D::lineTo(float x, float y) {
|
|
//SE_LOGD("CanvasRenderingContext2D::lineTo\n");
|
|
_delegate->lineTo(x, y);
|
|
}
|
|
|
|
void CanvasRenderingContext2D::stroke() {
|
|
//SE_LOGD("CanvasRenderingContext2D::stroke\n");
|
|
recreateBufferIfNeeded();
|
|
_delegate->stroke();
|
|
}
|
|
|
|
void CanvasRenderingContext2D::restore() {
|
|
//SE_LOGD("CanvasRenderingContext2D::restore\n");
|
|
_delegate->restoreContext();
|
|
}
|
|
|
|
void CanvasRenderingContext2D::setCanvasBufferUpdatedCallback(const CanvasBufferUpdatedCallback &cb) {
|
|
_canvasBufferUpdatedCB = cb;
|
|
}
|
|
|
|
void CanvasRenderingContext2D::fetchData() {
|
|
recreateBufferIfNeeded();
|
|
_delegate->updateData();
|
|
if (_canvasBufferUpdatedCB != nullptr) {
|
|
_canvasBufferUpdatedCB(_delegate->getDataRef());
|
|
}
|
|
}
|
|
|
|
void CanvasRenderingContext2D::setWidth(float width) {
|
|
//SE_LOGD("CanvasRenderingContext2D::set__width: %f\n", width);
|
|
if (math::IsEqualF(width, _width)) return;
|
|
_width = width;
|
|
_isBufferSizeDirty = true;
|
|
}
|
|
|
|
void CanvasRenderingContext2D::setHeight(float height) {
|
|
//SE_LOGD("CanvasRenderingContext2D::set__height: %f\n", height);
|
|
if (math::IsEqualF(height, _height)) return;
|
|
_height = height;
|
|
_isBufferSizeDirty = true;
|
|
}
|
|
|
|
void CanvasRenderingContext2D::setLineWidth(float lineWidth) {
|
|
//SE_LOGD("CanvasRenderingContext2D::set_lineWidth %d\n", lineWidth);
|
|
_lineWidth = lineWidth;
|
|
_delegate->setLineWidth(lineWidth);
|
|
}
|
|
|
|
void CanvasRenderingContext2D::setLineCap(const std::string &lineCap) {
|
|
//SE_LOGE("%s isn't implemented!\n", __FUNCTION__);
|
|
#if CC_PLATFORM == CC_PLATFORM_WINDOWS
|
|
|
|
#elif CC_PLATFORM == CC_PLATFORM_ANDROID
|
|
if (lineCap.empty()) return;
|
|
_delegate->setLineCap(lineCap);
|
|
#endif
|
|
}
|
|
|
|
void CanvasRenderingContext2D::setLineJoin(const std::string &lineJoin) {
|
|
//SE_LOGE("%s isn't implemented!\n", __FUNCTION__);
|
|
_delegate->setLineJoin(lineJoin);
|
|
}
|
|
|
|
void CanvasRenderingContext2D::fill() {
|
|
// SE_LOGE("%s isn't implemented!\n", __FUNCTION__);
|
|
#if CC_PLATFORM == CC_PLATFORM_WINDOWS
|
|
|
|
#elif CC_PLATFORM == CC_PLATFORM_ANDROID
|
|
_delegate->fill();
|
|
#endif
|
|
}
|
|
|
|
void CanvasRenderingContext2D::rect(float x, float y, float w, float h) {
|
|
recreateBufferIfNeeded();
|
|
#if CC_PLATFORM == CC_PLATFORM_WINDOWS
|
|
// SE_LOGE("%s isn't implemented!\n", __FUNCTION__);
|
|
#elif CC_PLATFORM == CC_PLATFORM_ANDROID
|
|
// SE_LOGD("CanvasRenderingContext2D::rect: %p, %f, %f, %f, %f\n", this, x, y, width, height);
|
|
_delegate->rect(x, y, w, h);
|
|
#endif
|
|
}
|
|
|
|
void CanvasRenderingContext2D::setFont(const std::string &font) {
|
|
recreateBufferIfNeeded();
|
|
#if CC_PLATFORM == CC_PLATFORM_WINDOWS
|
|
if (_font != font) {
|
|
_font = font;
|
|
|
|
std::string boldStr;
|
|
std::string fontName = "Arial";
|
|
std::string fontSizeStr = "30";
|
|
|
|
// support get font name from `60px American` or `60px "American abc-abc_abc"`
|
|
std::regex re("(bold)?\\s*((\\d+)([\\.]\\d+)?)px\\s+([\\w-]+|\"[\\w -]+\"$)");
|
|
std::match_results<std::string::const_iterator> results;
|
|
if (std::regex_search(_font.cbegin(), _font.cend(), results, re)) {
|
|
boldStr = results[1].str();
|
|
fontSizeStr = results[2].str();
|
|
fontName = results[5].str();
|
|
}
|
|
|
|
auto fontSize = static_cast<float>(atof(fontSizeStr.c_str()));
|
|
//SE_LOGD("CanvasRenderingContext2D::set_font: %s, Size: %f, isBold: %b\n", fontName.c_str(), fontSize, !boldStr.empty());
|
|
_delegate->updateFont(fontName, fontSize, !boldStr.empty(), false, false, false);
|
|
}
|
|
#elif CC_PLATFORM == CC_PLATFORM_QNX
|
|
if (_font != font) {
|
|
_font = font;
|
|
|
|
std::string boldStr;
|
|
std::string fontName = "Arial";
|
|
std::string fontSizeStr = "30";
|
|
|
|
// support get font name from `60px American` or `60px "American abc-abc_abc"`
|
|
std::regex re("(bold)?\\s*((\\d+)([\\.]\\d+)?)px\\s+([\\w-]+|\"[\\w -]+\"$)");
|
|
std::match_results<std::string::const_iterator> results;
|
|
if (std::regex_search(_font.cbegin(), _font.cend(), results, re)) {
|
|
boldStr = results[1].str();
|
|
fontSizeStr = results[2].str();
|
|
fontName = results[5].str();
|
|
}
|
|
bool isItalic = font.find("italic", 0) != std::string::npos;
|
|
auto fontSize = static_cast<float>(atof(fontSizeStr.c_str()));
|
|
//SE_LOGD("CanvasRenderingContext2D::set_font: %s, Size: %f, isBold: %b\n", fontName.c_str(), fontSize, !boldStr.empty());
|
|
_delegate->updateFont(fontName, fontSize, !boldStr.empty(), isItalic, false, false);
|
|
}
|
|
#elif CC_PLATFORM == CC_PLATFORM_LINUX
|
|
if (_font != font) {
|
|
_font = font;
|
|
|
|
std::string fontName = "sans-serif";
|
|
std::string fontSizeStr = "30";
|
|
std::regex re(R"(\s*((\d+)([\.]\d+)?)px\s+([^\r\n]*))");
|
|
std::match_results<std::string::const_iterator> results;
|
|
if (std::regex_search(_font.cbegin(), _font.cend(), results, re)) {
|
|
fontSizeStr = results[2].str();
|
|
// support get font name from `60px American` or `60px "American abc-abc_abc"`
|
|
// support get font name contain space,example `times new roman`
|
|
// if regex rule that does not conform to the rules,such as Chinese,it defaults to sans-serif
|
|
std::match_results<std::string::const_iterator> fontResults;
|
|
std::regex fontRe(R"(([\w\s-]+|"[\w\s-]+"$))");
|
|
std::string tmp(results[4].str());
|
|
if (std::regex_match(tmp, fontResults, fontRe)) {
|
|
//fontName = results[4].str();
|
|
}
|
|
}
|
|
|
|
bool isBold = font.find("bold", 0) != std::string::npos;
|
|
bool isItalic = font.find("italic", 0) != std::string::npos;
|
|
float fontSize = static_cast<float>(atof(fontSizeStr.c_str()));
|
|
//SE_LOGD("CanvasRenderingContext2D::set_font: %s, Size: %f, isBold: %b\n", fontName.c_str(), fontSize, !boldStr.empty());
|
|
_delegate->updateFont(fontName, fontSize, isBold, isItalic, false, false);
|
|
}
|
|
#elif CC_PLATFORM == CC_PLATFORM_ANDROID || CC_PLATFORM == CC_PLATFORM_OHOS
|
|
if (_font != font) {
|
|
_font = font;
|
|
std::string fontName = "sans-serif";
|
|
std::string fontSizeStr = "30";
|
|
std::regex re(R"(\s*((\d+)([\.]\d+)?)px\s+([^\r\n]*))");
|
|
std::match_results<std::string::const_iterator> results;
|
|
if (std::regex_search(_font.cbegin(), _font.cend(), results, re)) {
|
|
fontSizeStr = results[2].str();
|
|
// support get font name from `60px American` or `60px "American abc-abc_abc"`
|
|
// support get font name contain space,example `times new roman`
|
|
// if regex rule that does not conform to the rules,such as Chinese,it defaults to sans-serif
|
|
std::match_results<std::string::const_iterator> fontResults;
|
|
std::regex fontRe(R"(([\w\s-]+|"[\w\s-]+"$))");
|
|
std::string tmp(results[4].str());
|
|
if (std::regex_match(tmp, fontResults, fontRe)) {
|
|
fontName = results[4].str();
|
|
}
|
|
}
|
|
|
|
double fontSize = atof(fontSizeStr.c_str());
|
|
bool isBold = font.find("bold", 0) != std::string::npos;
|
|
bool isItalic = font.find("italic", 0) != std::string::npos;
|
|
bool isSmallCaps = font.find("small-caps", 0) != std::string::npos;
|
|
bool isOblique = font.find("oblique", 0) != std::string::npos;
|
|
//font-style: italic, oblique, normal
|
|
//font-weight: normal, bold
|
|
//font-variant: normal, small-caps
|
|
_delegate->updateFont(fontName, static_cast<float>(fontSize), isBold, isItalic, isOblique, isSmallCaps);
|
|
}
|
|
#elif CC_PLATFORM == CC_PLATFORM_MAC_OSX || CC_PLATFORM == CC_PLATFORM_MAC_IOS
|
|
if (_font != font) {
|
|
_font = font;
|
|
|
|
std::string boldStr;
|
|
std::string fontName = "Arial";
|
|
std::string fontSizeStr = "30";
|
|
|
|
// support get font name from `60px American` or `60px "American abc-abc_abc"`
|
|
std::regex re("(bold)?\\s*((\\d+)([\\.]\\d+)?)px\\s+([\\w-]+|\"[\\w -]+\"$)");
|
|
std::match_results<std::string::const_iterator> results;
|
|
if (std::regex_search(_font.cbegin(), _font.cend(), results, re)) {
|
|
boldStr = results[1].str();
|
|
fontSizeStr = results[2].str();
|
|
fontName = results[5].str();
|
|
}
|
|
float fontSize = atof(fontSizeStr.c_str());
|
|
bool isBold = !boldStr.empty();
|
|
_delegate->updateFont(fontName, static_cast<float>(fontSize), isBold, false, false, false);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void CanvasRenderingContext2D::setTextAlign(const std::string &textAlign) {
|
|
//SE_LOGD("CanvasRenderingContext2D::set_textAlign: %s\n", textAlign.c_str());
|
|
if (textAlign == "left") {
|
|
_delegate->setTextAlign(CanvasTextAlign::LEFT);
|
|
} else if (textAlign == "center" || textAlign == "middle") {
|
|
_delegate->setTextAlign(CanvasTextAlign::CENTER);
|
|
} else if (textAlign == "right") {
|
|
_delegate->setTextAlign(CanvasTextAlign::RIGHT);
|
|
} else {
|
|
assert(false);
|
|
}
|
|
}
|
|
|
|
void CanvasRenderingContext2D::setTextBaseline(const std::string &textBaseline) {
|
|
//SE_LOGD("CanvasRenderingContext2D::set_textBaseline: %s\n", textBaseline.c_str());
|
|
if (textBaseline == "top") {
|
|
_delegate->setTextBaseline(CanvasTextBaseline::TOP);
|
|
} else if (textBaseline == "middle") {
|
|
_delegate->setTextBaseline(CanvasTextBaseline::MIDDLE);
|
|
} else if (textBaseline == "bottom") //REFINE:, how to deal with alphabetic, currently we handle it as bottom mode.
|
|
{
|
|
_delegate->setTextBaseline(CanvasTextBaseline::BOTTOM);
|
|
} else if (textBaseline == "alphabetic") {
|
|
_delegate->setTextBaseline(CanvasTextBaseline::ALPHABETIC);
|
|
} else {
|
|
assert(false);
|
|
}
|
|
}
|
|
|
|
void CanvasRenderingContext2D::setFillStyle(const std::string &fillStyle) {
|
|
CSSColorParser::Color color = CSSColorParser::parse(fillStyle);
|
|
_delegate->setFillStyle(static_cast<float>(color.r) / 255.0F,
|
|
static_cast<float>(color.g) / 255.0F,
|
|
static_cast<float>(color.b) / 255.0F,
|
|
color.a);
|
|
//SE_LOGD("CanvasRenderingContext2D::set_fillStyle: %s, (%d, %d, %d, %f)\n", fillStyle.c_str(), color.r, color.g, color.b, color.a);
|
|
}
|
|
|
|
void CanvasRenderingContext2D::setStrokeStyle(const std::string &strokeStyle) {
|
|
CSSColorParser::Color color = CSSColorParser::parse(strokeStyle);
|
|
_delegate->setStrokeStyle(static_cast<float>(color.r) / 255.0F,
|
|
static_cast<float>(color.g) / 255.0F,
|
|
static_cast<float>(color.b) / 255.0F,
|
|
color.a);
|
|
}
|
|
|
|
void CanvasRenderingContext2D::setGlobalCompositeOperation(const std::string &globalCompositeOperation) {
|
|
//SE_LOGE("%s isn't implemented!\n", __FUNCTION__);
|
|
}
|
|
|
|
void CanvasRenderingContext2D::fillImageData(const Data &imageData, float imageWidth, float imageHeight, float offsetX, float offsetY) {
|
|
recreateBufferIfNeeded();
|
|
//SE_LOGE("%s isn't implemented!\n", __FUNCTION__);
|
|
#if CC_PLATFORM == CC_PLATFORM_WINDOWS
|
|
#elif CC_PLATFORM == CC_PLATFORM_ANDROID
|
|
_delegate->fillImageData(imageData, imageWidth, imageHeight, offsetX, offsetY);
|
|
#endif
|
|
}
|
|
// transform
|
|
//REFINE:
|
|
|
|
void CanvasRenderingContext2D::translate(float x, float y) {
|
|
//SE_LOGE("%s isn't implemented!\n", __FUNCTION__);
|
|
}
|
|
|
|
void CanvasRenderingContext2D::scale(float x, float y) {
|
|
//SE_LOGE("%s isn't implemented!\n", __FUNCTION__);
|
|
}
|
|
|
|
void CanvasRenderingContext2D::rotate(float angle) {
|
|
//SE_LOGE("%s isn't implemented!\n", __FUNCTION__);
|
|
}
|
|
|
|
void CanvasRenderingContext2D::transform(float a, float b, float c, float d, float e, float f) {
|
|
//SE_LOGE("%s isn't implemented!\n", __FUNCTION__);
|
|
}
|
|
|
|
void CanvasRenderingContext2D::setTransform(float a, float b, float c, float d, float e, float f) {
|
|
//SE_LOGE("%s isn't implemented!\n", __FUNCTION__);
|
|
}
|
|
|
|
void CanvasRenderingContext2D::recreateBufferIfNeeded() {
|
|
if (_isBufferSizeDirty) {
|
|
_isBufferSizeDirty = false;
|
|
//SE_LOGD("Recreate buffer %p, w: %f, h:%f\n", this, __width, __height);
|
|
_delegate->recreateBuffer(_width, _height);
|
|
}
|
|
}
|
|
|
|
} // namespace cc
|