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/****************************************************************************
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Copyright (c) 2008 Apple Inc. All Rights Reserved.
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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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2022-10-01 16:24:52 +08:00
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https://axmolengine.github.io/
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2019-11-23 20:27:39 +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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#pragma once
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#include <string>
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#include <map>
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#include <unordered_map>
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2023-06-11 13:08:08 +08:00
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#include "base/Ref.h"
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#include "math/Math.h"
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#include "base/Types.h"
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#include "renderer/CustomCommand.h"
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2022-07-11 17:50:21 +08:00
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NS_AX_BEGIN
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class Image;
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class NinePatchInfo;
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class SpriteFrame;
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typedef struct _MipmapInfo MipmapInfo;
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namespace ui
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{
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class Scale9Sprite;
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}
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namespace backend
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{
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class Texture2DBackend;
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class TextureBackend;
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class ProgramState;
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} // namespace backend
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/**
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* @addtogroup _2d
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* @{
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*/
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// CONSTANTS:
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// CLASS INTERFACES:
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/**
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* @brief Texture2D class. This class allows to easily create OpenGL 2D textures from images, text or raw data.
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* The created Texture2D object will always have power-of-two dimensions.
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* Depending on how you create the Texture2D object, the actual image area of the texture might be smaller than the
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* texture dimensions i.e. "contentSize" != (pixelsWide, pixelsHigh) and (maxS, maxT) != (1.0, 1.0). Be aware that the
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* content of the generated textures will be upside-down!
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*/
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class AX_DLL Texture2D : public Ref
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{
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public:
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struct PixelFormatInfo
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{
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PixelFormatInfo(int aBpp, bool aCompressed, bool anAlpha) : bpp(aBpp), compressed(aCompressed), alpha(anAlpha)
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{}
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int bpp;
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bool compressed;
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bool alpha;
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};
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/**
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* Extension to set the Min / Mag filter
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*/
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using TexParams = backend::SamplerDescriptor;
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public:
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/** sets the default pixel format for UIImagescontains alpha channel.
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@param format
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If the UIImage contains alpha channel, then the options are:
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- generate 32-bit textures: backend::PixelFormat::RGBA8 (default one)
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- generate 24-bit textures: backend::PixelFormat::RGB8
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- generate 16-bit textures: backend::PixelFormat::RGBA4
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- generate 16-bit textures: backend::PixelFormat::RGB5A1
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- generate 16-bit textures: backend::PixelFormat::RGB565
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- generate 8-bit textures: backend::PixelFormat::R8 (only use it if you use just 1 color)
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- generate 16-bit textures: backend::PixelFormat::RG8 (only use it if you use just 2 color)
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How does it work ?
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- If the image is an RGBA (with Alpha) then the default pixel format will be used (it can be a 8-bit, 16-bit or
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32-bit texture)
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- If the image is an RGB (without Alpha) then: If the default pixel format is RGBA8888 then a RGBA8888 (32-bit)
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will be used. Otherwise a RGB565 (16-bit texture) will be used.
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This parameter is not valid for PVR / PVR.CCZ images.
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@since v0.8
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*/
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static void setDefaultAlphaPixelFormat(backend::PixelFormat format);
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/** Returns the alpha pixel format.
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@since v0.8
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*/
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static backend::PixelFormat getDefaultAlphaPixelFormat();
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public:
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/**
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* @js ctor
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*/
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Texture2D();
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/**
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* @js NA
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* @lua NA
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*/
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virtual ~Texture2D();
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/** Initializes with a texture2d with data.
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@param data Specifies a pointer to the image data in memory.
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@param dataLen The image data length.
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@param pixelFormat The image pixelFormat.
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@param pixelsWide The image width.
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@param pixelsHigh The image height.
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@param contentSize The image content size.
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@param preMultipliedAlpha The texture has premultiplied alpha
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* @js NA
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* @lua NA
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*/
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bool initWithData(const void* data,
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ssize_t dataLen,
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backend::PixelFormat pixelFormat,
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int pixelsWide,
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int pixelsHigh,
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bool preMultipliedAlpha = false)
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{
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return initWithData(data, dataLen, pixelFormat, pixelFormat, pixelsWide, pixelsHigh,
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preMultipliedAlpha);
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}
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/** Initializes with a texture2d with data.
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@param data Specifies a pointer to the image data in memory.
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@param dataLen The image data length.
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@param pixelFormat The image pixelFormat.
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@param renderFormat The format converted to.
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@param pixelsWide The image width.
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@param pixelsHigh The image height.
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@param contentSize The image content size.
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@param preMultipliedAlpha The texture has premultiplied alpha
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* @js NA
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* @lua NA
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*/
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bool initWithData(const void* data,
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ssize_t dataLen,
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backend::PixelFormat pixelFormat,
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backend::PixelFormat renderFormat,
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int pixelsWide,
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int pixelsHigh,
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bool preMultipliedAlpha = false);
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/** Initializes with mipmaps.
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@param mipmaps Specifies a pointer to the image data in memory.
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@param mipmapsNum The mipmaps number.
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@param pixelFormat The image pixelFormat.
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@param pixelsWide The image width.
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@param pixelsHigh The image height.
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@param preMultipliedAlpha The texture has premultiplied alpha
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*/
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bool initWithMipmaps(MipmapInfo* mipmaps,
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int mipmapsNum,
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backend::PixelFormat pixelFormat,
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backend::PixelFormat renderFormat,
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int pixelsWide,
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int pixelsHigh,
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bool preMultipliedAlpha = false);
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/** Update with image.
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@param data Specifies a pointer to the image data in memory.
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@param offsetX Specifies a texel offset in the x direction within the texture array.
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@param offsetY Specifies a texel offset in the y direction within the texture array.
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@param width Specifies the width of the texture subimage.
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@param height Specifies the height of the texture subimage.
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*/
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bool updateWithImage(Image* image, backend::PixelFormat format, int index = 0);
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bool updateWithData(const void* data,
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ssize_t dataLen,
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backend::PixelFormat pixelFormat,
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backend::PixelFormat renderFormat,
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int pixelsWide,
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int pixelsHigh,
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bool preMultipliedAlpha,
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int index = 0);
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bool updateWithMipmaps(MipmapInfo* mipmaps,
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int mipmapsNum,
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backend::PixelFormat pixelFormat,
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backend::PixelFormat renderFormat,
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int pixelsWide,
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int pixelsHigh,
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bool preMultipliedAlpha = false,
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int index = 0);
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/** Update with texture data.
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@param data Specifies a pointer to the image data in memory.
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@param offsetX Specifies a texel offset in the x direction within the texture array.
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@param offsetY Specifies a texel offset in the y direction within the texture array.
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@param width Specifies the width of the texture subimage.
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@param height Specifies the height of the texture subimage.
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*/
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bool updateWithSubData(void* data, int offsetX, int offsetY, int width, int height, int index = 0);
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/**
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Drawing extensions to make it easy to draw basic quads using a Texture2D object.
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These functions require GL_TEXTURE_2D and both GL_VERTEX_ARRAY and GL_TEXTURE_COORD_ARRAY client states to be
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enabled.
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*/
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/** Draws a texture at a given point. */
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void drawAtPoint(const Vec2& point, float globalZOrder);
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/** Draws a texture inside a rect.*/
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void drawInRect(const Rect& rect, float globalZOrder);
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/**
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Extensions to make it easy to create a Texture2D object from an image file.
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*/
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/**
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Initializes a texture from a UIImage object.
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We will use the format you specified with setDefaultAlphaPixelFormat to convert the image for texture.
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NOTE: It will not convert the pvr image file.
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@param image An UIImage object.
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*/
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bool initWithImage(Image* image);
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/**
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Initializes a texture from a UIImage object.
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We will use the format you passed to the function to convert the image format to the texture format.
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If you pass PixelFormat::NONE, we will auto detect the image render type and use that type for texture to render.
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@param image An UIImage object.
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@param format Texture pixel formats.
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**/
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bool initWithImage(Image* image, backend::PixelFormat format);
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/** Initializes a texture from a string with dimensions, alignment, font name and font size.
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@param text A null terminated string.
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@param fontName The font name.
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@param fontSize The font size.
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@param dimensions The font dimension.
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@param hAlignment The font horizontal text alignment type.
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@param vAlignment The font vertical text alignment type.
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@param enableWrap Whether enable text wrap or not.
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@param overflow Whether shrink font size when content larger than the dimensions.
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*/
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2023-03-11 22:10:18 +08:00
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bool initWithString(std::string_view text,
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std::string_view fontName,
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float fontSize,
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const Vec2& dimensions = Vec2(0, 0),
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TextHAlignment hAlignment = TextHAlignment::CENTER,
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TextVAlignment vAlignment = TextVAlignment::TOP,
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bool enableWrap = true,
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int overflow = 0);
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/** Initializes a texture from a string using a text definition.
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@param text A null terminated string.
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@param textDefinition A FontDefinition object contains font attributes.
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*/
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bool initWithString(std::string_view text, const FontDefinition& textDefinition);
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2020-09-25 15:04:55 +08:00
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//!!Used for render buffer, such depth stencil attachment
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bool updateTextureDescriptor(const backend::TextureDescriptor& descriptor, bool preMultipliedAlpha = false);
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void setRenderTarget(bool renderTarget);
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inline bool isRenderTarget() const { return _flags & TextureFlag::RENDERTARGET; }
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void setTexParameters(const TexParams& params);
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/** Generates mipmap images for the texture.
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It only works if the texture size is POT (power of 2).
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@since v0.99.0
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*/
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void generateMipmap();
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/** Sets antialias texture parameters:
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- GL_TEXTURE_MIN_FILTER = GL_LINEAR
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- GL_TEXTURE_MAG_FILTER = GL_LINEAR
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@warning Calling this method could allocate additional texture memory.
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@since v0.8
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*/
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void setAntiAliasTexParameters();
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/** Sets alias texture parameters:
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- GL_TEXTURE_MIN_FILTER = GL_NEAREST
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- GL_TEXTURE_MAG_FILTER = GL_NEAREST
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@warning Calling this method could allocate additional texture memory.
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@since v0.8
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*/
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void setAliasTexParameters();
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/** Returns the pixel format.
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@since v2.0
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*/
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const char* getStringForFormat() const;
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/** Returns the bits-per-pixel of the in-memory OpenGL texture
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@since v1.0
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*/
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unsigned int getBitsPerPixelForFormat() const;
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/** Helper functions that returns bits per pixels for a given format.
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@since v2.0
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*/
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2020-11-02 16:35:31 +08:00
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unsigned int getBitsPerPixelForFormat(backend::PixelFormat format) const;
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2019-11-23 20:27:39 +08:00
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/** Get content size. */
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2021-10-23 23:27:14 +08:00
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const Vec2& getContentSizeInPixels();
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2019-11-23 20:27:39 +08:00
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/** Whether or not the texture has their Alpha premultiplied. */
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bool hasPremultipliedAlpha() const;
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void setPremultipliedAlpha(bool premultipliedAlpha);
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/** Whether or not the texture has mip maps.*/
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bool hasMipmaps() const;
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/** Gets the pixel format of the texture. */
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backend::PixelFormat getPixelFormat() const;
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2021-06-27 20:58:50 +08:00
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2021-12-25 10:04:45 +08:00
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int getSamplerFlags() const { return _samplerFlags; }
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2019-11-23 20:27:39 +08:00
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/** Gets the width of the texture in pixels. */
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int getPixelsWide() const;
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2021-12-25 10:04:45 +08:00
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2019-11-23 20:27:39 +08:00
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/** Gets the height of the texture in pixels. */
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int getPixelsHigh() const;
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2021-12-25 10:04:45 +08:00
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2019-11-23 20:27:39 +08:00
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backend::TextureBackend* getBackendTexture() const;
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2021-12-25 10:04:45 +08:00
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2019-11-23 20:27:39 +08:00
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/** Gets max S. */
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float getMaxS() const;
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/** Sets max S. */
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void setMaxS(float maxS);
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2021-12-25 10:04:45 +08:00
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2019-11-23 20:27:39 +08:00
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/** Gets max T. */
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float getMaxT() const;
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/** Sets max T. */
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void setMaxT(float maxT);
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2021-12-25 10:04:45 +08:00
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2019-11-23 20:27:39 +08:00
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/** Get the texture content size.*/
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2021-10-23 23:27:14 +08:00
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Vec2 getContentSize() const;
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2019-11-23 20:27:39 +08:00
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2021-12-25 10:04:45 +08:00
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std::string getPath() const { return _filePath; }
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2019-11-23 20:27:39 +08:00
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private:
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/**
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2021-12-25 10:04:45 +08:00
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* A struct for storing 9-patch image capInsets.
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*/
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2019-11-23 20:27:39 +08:00
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class NinePatchInfo
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{
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public:
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Rect capInsetSize;
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std::unordered_map<SpriteFrame*, Rect> capInsetMap;
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};
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/**
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* Whether the texture contains a 9-patch capInset info or not.
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*
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* @return True is Texture contains a 9-patch info, false otherwise.
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*/
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2021-12-25 10:04:45 +08:00
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bool isContain9PatchInfo() const;
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2019-11-23 20:27:39 +08:00
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/**
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* Get spriteFrame capInset, If spriteFrame can't be found in 9-patch info map,
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* then single 9-patch texture capInset will be returned.
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* If the arg is nullptr, the capInset of single 9-patch texture will be returned.
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*
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* @param spriteFrame A SpriteFrame object pointer.
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*
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* @return The capInset of the SpriteFrame object.
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*/
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2021-12-25 10:04:45 +08:00
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const Rect& getSpriteFrameCapInset(SpriteFrame* spriteFrame) const;
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2019-11-23 20:27:39 +08:00
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/**
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* Remove the spriteFrame capInset info when the spriteFrame is removed.
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*
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* @param spriteFrame A SpriteFrame object pointer.
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*/
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void removeSpriteFrameCapInset(SpriteFrame* spriteFrame);
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/**
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* Add capInset for sprite atlas.
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* When handling single texture, pass nullptr in the first arg.
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*
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* @param spritframe The sprite frame object.
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* @param capInsets The parsed capInset from a .9 patch image.
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*/
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void addSpriteFrameCapInset(SpriteFrame* spritframe, const Rect& capInsets);
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2021-12-25 10:04:45 +08:00
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2019-11-23 20:27:39 +08:00
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void initProgram();
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protected:
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/** pixel format of the texture */
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backend::PixelFormat _pixelFormat;
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/** width in pixels */
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int _pixelsWide;
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/** height in pixels */
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int _pixelsHigh;
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/** texture name */
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backend::Texture2DBackend* _texture;
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/** texture max S */
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float _maxS;
|
2021-12-25 10:04:45 +08:00
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2019-11-23 20:27:39 +08:00
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/** texture max T */
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float _maxT;
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/** content size */
|
2021-10-23 23:27:14 +08:00
|
|
|
Vec2 _contentSize;
|
2019-11-23 20:27:39 +08:00
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|
2021-06-27 20:58:50 +08:00
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uint16_t _flags : 16;
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uint16_t _samplerFlags : 16;
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2019-11-23 20:27:39 +08:00
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|
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NinePatchInfo* _ninePatchInfo;
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|
|
friend class SpriteFrameCache;
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|
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friend class TextureCache;
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|
|
friend class ui::Scale9Sprite;
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bool _valid;
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|
|
std::string _filePath;
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|
|
backend::ProgramState* _programState = nullptr;
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|
|
backend::UniformLocation _mvpMatrixLocation;
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|
|
backend::UniformLocation _textureLocation;
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|
|
CustomCommand _customCommand;
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|
|
};
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// end of textures group
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/// @}
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2022-07-11 17:50:21 +08:00
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NS_AX_END
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