2023-09-01 16:31:14 +08:00
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/****************************************************************************
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Copyright (c) 2010-2012 cocos2d-x.org
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Copyright (c) 2013-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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2024-03-11 01:22:48 +08:00
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Copyright (c) 2019-present Axmol Engine contributors (see AUTHORS.md).
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2023-09-01 16:31:14 +08:00
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2024-03-11 01:22:48 +08:00
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https://axmolengine.github.io/
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2023-09-01 16:31:14 +08:00
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "platform/PlatformConfig.h"
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2023-09-05 22:17:18 +08:00
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#if AX_TARGET_PLATFORM == AX_PLATFORM_WASM
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#include "platform/Device.h"
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#include "platform/FileUtils.h"
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#include <emscripten/emscripten.h>
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#include <emscripten/html5.h>
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NS_AX_BEGIN
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int Device::getDPI()
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{
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2023-11-06 00:19:44 +08:00
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return static_cast<int>(160 * Device::getPixelRatio());
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}
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float Device::getPixelRatio()
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{
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return EM_ASM_DOUBLE(return window.devicePixelRatio);
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}
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void Device::setAccelerometerEnabled(bool isEnabled)
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{
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// TODO: https://emscripten.org/docs/api_reference/html5.h.html?
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}
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void Device::setAccelerometerInterval(float interval)
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{
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// TODO: https://emscripten.org/docs/api_reference/html5.h.html?
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}
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Data Device::getTextureDataForText(std::string_view text, const FontDefinition& textDefinition, TextAlign align, int &width, int &height, bool& hasPremultipliedAlpha)
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{
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char color[8];
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sprintf(color, "#%02x%02x%02x", textDefinition._fontFillColor.r, textDefinition._fontFillColor.g, textDefinition._fontFillColor.b);
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unsigned char* ptr = (unsigned char*)EM_ASM_INT({
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var lines = UTF8ToString($0).split("\n");
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var linesWidth = [];
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var fontName = UTF8ToString($1);
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var fontSize = $2;
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var lineHeight = $2 * 1.2; // Nothing accurate
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var color = UTF8ToString($3);
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var dimWidth = $4;
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var dimHeight = $5;
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var align = $6;
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2023-09-15 20:08:27 +08:00
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var canvas = Module.axmolSharedCanvas = Module.axmolSharedCanvas || document.createElement("canvas");
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var context = canvas.getContext("2d");
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context.font = fontSize + "px " + fontName;
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var canvasWidth = dimWidth;
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var canvasHeight = dimHeight;
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for (var i = 0; i < lines.length; i++) {
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var lineWidth = context.measureText(lines[i]).width;
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linesWidth[i] = lineWidth;
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if (lineWidth > canvasWidth && dimWidth <= 0) {
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canvasWidth = lineWidth;
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}
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};
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if (dimHeight <= 0) {
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canvasHeight = lineHeight * lines.length;
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}
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canvasWidth = Math.ceil(canvasWidth);
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canvasHeight = Math.ceil(canvasHeight);
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2023-09-01 16:31:14 +08:00
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canvas.width = canvasWidth;
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canvas.height = canvasHeight;
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context.clearRect(0, 0, canvasWidth, canvasHeight);
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context.font = fontSize + "px " + fontName;
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context.fillStyle = color;
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context.textBaseline = "top";
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//Vertical top
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var offsetY = 0;
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if ((align & 0xf0) == 0x30) {
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//Vertical center
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offsetY = (canvasHeight - lineHeight * lines.length) / 2;
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} else if ((align & 0xf0) == 0x20) {
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//Vertical bottom
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offsetY = canvasHeight - lineHeight * lines.length;
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}
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for (var i = 0; i < lines.length; i++) {
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//Horizonal left
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var offsetX = 0;
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if ((align & 0x0f) == 0x03) {
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//Horizonal center
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offsetX = (canvasWidth - linesWidth[i]) / 2;
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} else if ((align & 0x0f) == 0x02) {
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//Horizonal right
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offsetX = canvasWidth - linesWidth[i];
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}
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context.fillText(lines[i], offsetX, offsetY + lineHeight * i);
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}
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var data = context.getImageData(0, 0, canvasWidth, canvasHeight).data;
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var ptr = _malloc(data.byteLength); // Cocos Data object free it
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var buffer= new Uint8Array(Module.HEAPU8.buffer, ptr, data.byteLength);
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buffer.set(data);
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return ptr;
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}, text.data(), textDefinition._fontName.c_str(), textDefinition._fontSize, color, textDefinition._dimensions.width, textDefinition._dimensions.height, align);
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width = EM_ASM_INT({
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return Module.axmolSharedCanvas.width;
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});
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height = EM_ASM_INT({
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return Module.axmolSharedCanvas.height;
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});
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hasPremultipliedAlpha = false;
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Data ret;
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ret.fastSet(ptr, width * height * 4);
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return ret;
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}
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void Device::setKeepScreenOn(bool value)
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{
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// Impossible in browser
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}
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void Device::vibrate(float duration)
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{
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emscripten_vibrate(duration * 1000);
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}
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void Device::prepareImpactFeedbackGenerator(ImpactFeedbackStyle style) {}
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void Device::impactOccurred(ImpactFeedbackStyle style) {}
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void Device::prepareNotificationFeedbackGenerator() {}
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void Device::notificationOccurred(NotificationFeedbackType type) {}
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void Device::prepareSelectionFeedbackGenerator() {}
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void Device::selectionChanged() {}
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NS_AX_END
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2023-09-05 22:17:18 +08:00
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#endif // AX_TARGET_PLATFORM == AX_PLATFORM_WASM
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