Chroma keying<\/strong>, \u043f\u043e\u043d\u044f\u0442\u043d\u043e, \u044d\u0442\u043e \u0441\u043f\u043e\u0441\u043e\u0431 \u0441\u0447\u0438\u0442\u0430\u0442\u044c \u043a\u0430\u043a\u043e\u0439-\u0442\u043e \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u0439 \u0446\u0432\u0435\u0442 \u043f\u0440\u043e\u0437\u0440\u0430\u0447\u043d\u044b\u043c. \u0412 \u043d\u0430\u0448\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0435 – \u0437\u0435\u043b\u0435\u043d\u044b\u0439:<\/p>\n\n\n\n

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\u041a\u043e\u043d\u0435\u0447\u043d\u043e, \u043f\u043e\u0441\u043b\u0435 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f, \u043f\u0435\u0440\u0435\u0434 \u0442\u0435\u043c \u043a\u0430\u043a \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0438\u0437 \u043d\u0435\u0433\u043e \u0442\u0435\u043a\u0441\u0442\u0443\u0440\u0443, \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u043b\u0435\u0433\u043a\u043e \u043f\u0440\u043e\u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0435\u0433\u043e \u043d\u0430 \u043f\u0440\u0435\u0434\u043c\u0435\u0442 \u0437\u0435\u043b\u0435\u043d\u044b\u0445 \u043f\u0438\u043a\u0441\u0435\u043b\u0435\u0439, \u0438 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c \u0438\u0445 \u0410\u043b\u044c\u0444\u0430-\u043a\u0430\u043d\u0430\u043b\u044b \u0432 \u043d\u043e\u043b\u044c. \u041f\u0440\u0430\u0432\u0434\u0430, \u043a\u043e\u0433\u0434\u0430 GL rasterizer \u0432\u044b\u0431\u0438\u0440\u0430\u0435\u0442 tUV <\/em>\u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442\u044b \u0440\u044f\u0434\u043e\u043c \u0441 \u0437\u0435\u043b\u0435\u043d\u043e\u0439 \u0437\u043e\u043d\u043e\u0439, \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u043f\u0438\u043a\u0441\u0435\u043b\u044c \u043d\u0430 \u044d\u043a\u0440\u0430\u043d\u0435 \u0431\u0443\u0434\u0435\u0442 \u0447\u0430\u0441\u0442\u0438\u0447\u043d\u043e<\/em> “\u043f\u0440\u043e\u0437\u0440\u0430\u0447\u043d\u044b\u043c” \u0438 \u0447\u0430\u0441\u0442\u0438\u0447\u043d\u043e<\/em> – \u0437\u0435\u043b\u0435\u043d\u044b\u043c<\/strong>. \u041a\u0441\u0442\u0430\u0442\u0438, \u0431\u0435\u0437\u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043f\u0440\u043e\u0437\u0440\u0430\u0447\u043d\u043e\u0441\u0442\u0438. \u0412 \u043d\u0430\u0448\u0435\u043c \u043f\u0440\u0438\u043c\u0435\u0440\u0435 \u044d\u0442\u043e \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u0437\u0435\u043b\u0435\u043d\u043e\u0432\u0430\u0442\u044b\u0435 \u0442\u043e\u043d\u043a\u0438\u0435 \u043b\u0438\u043d\u0438\u0438 \u043f\u043e \u0433\u0440\u0430\u043d\u0438\u0446\u0430\u043c \u043f\u0440\u043e\u0435\u043a\u0446\u0438\u0439:<\/p>\n\n\n\n

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\u0414\u0430, \u044d\u0442\u043e \u0432\u0430\u0436\u043d\u043e, \u043a\u0430\u043a\u0438\u0435 \u0446\u0432\u0435\u0442\u0430 \u043e\u043a\u0440\u0443\u0436\u0430\u044e\u0442 \u0432\u0430\u0448\u0438 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f.<\/p>\n\n\n\n

\u0420\u0435\u0448\u0435\u043d\u0438\u0435<\/strong>: \u043f\u0440\u0438 \u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u043d\u0430 \u043f\u0440\u0435\u0434\u043c\u0435\u0442 \u0437\u0435\u043b\u0435\u043d\u044b\u0445 \u043f\u0438\u043a\u0441\u0435\u043b\u0435\u0439, \u043c\u043e\u0436\u043d\u043e \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c \u0438\u0445 \u0410\u043b\u044c\u0444\u0430-\u043a\u0430\u043d\u0430\u043b\u044b \u0432 \u043d\u043e\u043b\u044c, \u0418 \u0442\u0430\u043a\u0436\u0435<\/strong> \u0438\u0445 RGB \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b – \u0432 \u0446\u0432\u0435\u0442\u0430 \u0431\u043b\u0438\u0436\u0430\u0439\u0448\u0438\u0445 \u043d\u0435\u043f\u0440\u043e\u0437\u0440\u0430\u0447\u043d\u044b\u0445 \u043f\u0438\u043a\u0441\u0435\u043b\u0435\u0439. \u0427\u0442\u043e\u0431\u044b \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0438\u0440\u0443\u044e\u0449\u0435\u0435 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0435 \u0431\u044b\u043b\u043e:<\/p>\n\n\n\n

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• \u0411\u044b\u0432\u0448\u0438\u0435 \u0437\u0435\u043b\u0435\u043d\u044b\u0435 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u0442\u0435\u043f\u0435\u0440\u044c \u043f\u0440\u043e\u0437\u0440\u0430\u0447\u043d\u044b\u0435<\/strong>, \u043f\u043b\u044e\u0441<\/strong> \u0438\u0445 RGB \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b \u0431\u043e\u043b\u044c\u0448\u0435 \u043d\u0435 \u043f\u043e\u0432\u043b\u0438\u044f\u044e\u0442 \u043d\u0430 \u0441\u043e\u0441\u0435\u0434\u043d\u0438\u0435 \u043f\u0438\u043a\u0441\u0435\u043b\u0438.<\/li><\/ul>\n\n\n\n

  \u0420\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f<\/strong>:<\/p>\n\n\n\n

  1. \u0417\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u043c VS, \u043e\u0442\u043a\u0440\u044b\u0432\u0430\u0435\u043c\u00a0C:\\CPP\\a997modeler\\p_windows\\p_windows.sln<\/em>.<\/p>\n\n\n\n

  ---

  \n\n\n\n

  \u0412 \u043a\u043b\u0430\u0441\u0441\u0435 Texture <\/strong>\u0443 \u043d\u0430\u0441 \u043d\u043e\u0432\u0430\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f, applyCkey(..)<\/em>, \u0438 \u043d\u043e\u0432\u044b\u0439 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440 \u0432 loadTexture(..)<\/em>.<\/p>\n\n\n\n

  2. \u0417\u0430\u043c\u0435\u043d\u0438\u043c Texture.h<\/em> \u043a\u043e\u0434 \u043d\u0430:<\/p>\n\n\n

  \n#pragma once\n#include <string>\n#include <vector>\n#include "platform.h"\n\nclass Texture\n{\npublic:\n    \/\/texture's individual descriptor:\n    unsigned int GLid = -1; \/\/ GL texture id\n    int size[2] = { 0,0 };  \/\/ image size\n    std::string source; \/\/file name\n    \/\/if renderable ?\n    unsigned int frameBufferId = 0;\n    unsigned int depthBufferId = 0;\n    \/\/end of descriptor\n\n    \/\/static array (vector) of all loaded textures\n    static std::vector<Texture*> textures;\npublic:\n    static int loadTexture(std::string filePath, unsigned int ckey, int glRepeatH = GL_MIRRORED_REPEAT, int glRepeatV = GL_MIRRORED_REPEAT);\n    static int applyCkey(unsigned char* imgData, int w, int h, unsigned int ckey);\n    static int findTexture(std::string filePath);\n    static int cleanUp();\n    static unsigned int getGLid(int texN) { return textures.at(texN)->GLid; };\n    static int saveBMP(std::string filePath, unsigned char* buff, int w, int h, int bytesPerPixel=4);\n    static int saveTGA(std::string filePath, unsigned char* buff, int w, int h, int bytesPerPixel=4);\n    static int generateTexture(std::string imgID, int w, int h, unsigned char* imgData, int glRepeatH = GL_MIRRORED_REPEAT, int glRepeatV = GL_MIRRORED_REPEAT);\n    static int detachRenderBuffer(Texture* pTex);\n    static int attachRenderBuffer(int texN, bool zBuffer = false) { return attachRenderBuffer(textures.at(texN), zBuffer); };\n    static int attachRenderBuffer(Texture* pTex, bool zBuffer = false);\n    static int setRenderToTexture(int texN) { return setRenderToTexture(textures.at(texN)); };\n    static int setRenderToTexture(Texture* pTex);\n    static int getImageFromTexture(int texN, unsigned char* imgData);\n    static int blurRGBA(unsigned char* imgData, int w, int h, int blurLevel);\n};\n\n<\/pre><\/div>\n\n\n
  <\/p>\n\n\n\n
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  3. \u0417\u0430\u043c\u0435\u043d\u0438\u043c Texture.<\/em>cpp<\/em> <\/strong>\u043a\u043e\u0434 \u043d\u0430: <\/p>\n\n\n
  \n#include "Texture.h"\n#define STB_IMAGE_IMPLEMENTATION  \/\/required by stb_image.h\n#include "stb_image.h"\n#include "platform.h"\n#include "utils.h"\n#include "MyColor.h"\n\n\/\/static array (vector) of all loaded textures\nstd::vector<Texture*> Texture::textures;\n\nint Texture::loadTexture(std::string filePath, unsigned int ckey, int glRepeatH, int glRepeatV) {\n    int texN = findTexture(filePath);\n    if (texN >= 0)\n        return texN;\n    \/\/if here - texture wasn't loaded\n    \/\/ load an image\n    int nrChannels, w, h;\n    unsigned char* imgData = stbi_load(filePath.c_str(),\n        &w, &h, &nrChannels, 4); \/\/"4"-convert to 4 channels -RGBA\n    if (imgData == NULL) {\n        mylog("ERROR in Texture::loadTexture loading image %s\\n", filePath.c_str());\n    }\n    if (ckey != 0)\n        applyCkey(imgData, w, h, ckey);\n    \/\/ generate texture\n    generateTexture(filePath, w, h, imgData, glRepeatH, glRepeatV);\n    \/\/ release image data\n    stbi_image_free(imgData);\n\n    return (textures.size() - 1);\n}\nint Texture::findTexture(std::string filePath) {\n    int texturesN = textures.size();\n    if (texturesN < 1)\n        return -1;\n    for (int i = 0; i < texturesN; i++) {\n        Texture* pTex = textures.at(i);\n        if (pTex->source.compare(filePath) == 0)\n            return i;\n    }\n    return -1;\n}\nint Texture::cleanUp() {\n    int texturesN = textures.size();\n    if (texturesN < 1)\n        return -1;\n    \/\/detach all textures\n    glActiveTexture(GL_TEXTURE0); \/\/ activate the texture unit first before binding texture\n    glBindTexture(GL_TEXTURE_2D, 0);\n    glActiveTexture(GL_TEXTURE1);\n    glBindTexture(GL_TEXTURE_2D, 0);\n    glActiveTexture(GL_TEXTURE2);\n    glBindTexture(GL_TEXTURE_2D, 0);\n    glActiveTexture(GL_TEXTURE3);\n    glBindTexture(GL_TEXTURE_2D, 0);\n    \/\/release all textures\n    for (int i = 0; i < texturesN; i++) {\n        Texture* pTex = textures.at(i);\n        detachRenderBuffer(pTex);\n        glDeleteTextures(1, (GLuint*)&pTex->GLid);\n        pTex->GLid = 0;\n        delete pTex;\n    }\n    textures.clear();\n    return 1;\n}\nint Texture::saveBMP(std::string filePath, unsigned char* buff, int w, int h, int bytesPerPixel) {\n    std::string fullPath = getFullPath(filePath);\n    std::string inAppPath = getInAppPath(fullPath);\n    makeDirs(inAppPath);\n    FILE* outFile;\n    myFopen_s(&outFile, fullPath.c_str(), "wb");\n    if (outFile == NULL) {\n        mylog("ERROR in Texture::saveBMP: Can't create file %s\\n", filePath.c_str());\n        return -1;\n    }\n    struct {\n        char chars2skip[2]; \/\/\n            \/\/BMP Header\n        char bm[2] = { 0x42, 0x4D }; \/\/\t"BM"\n        myUint32 fileSize = 0; \/\/ Size of the BMP file, little-endian\n        myUint32 unused = 0;\n        myUint32 dataOffset = 0; \/\/ Offset where the pixel array (bitmap data) can be found, little-endian\n        \/\/DIB Header\n        myUint32 dibHeaderSize = 0; \/\/ Number of bytes in the DIB header, little-endian\n        myUint32 imgW = 0; \/\/ Width of the bitmap in pixels, little-endian\n        myUint32 imgH = 0; \/\/ Height of the bitmap in pixels, little-endian\n        char colorPlainsN[2] = { 1,0 };\n        char bitsPerPixel[2] = { 32,0 };\n        myUint32 compression = 0; \/\/0-BI_RGB\n        myUint32 dataSize = 0; \/\/ Size of the raw bitmap data (including padding), little-endian\n        myUint32 printResution[2] = { 2835 ,2835 }; \/\/ Print resolution of the image,\n                \/\/72 DPI \u00d7 39.3701 inches per metre yields 2834.6472, little-endian\n        myUint32 paletteColors = 0; \/\/ Number of colors in the palette\n        myUint32 importantColors = 0; \/\/0 means all colors are important\n    } bmpHeader;\n    int rowSize = w * bytesPerPixel;\n    int rowPadding = (4 - rowSize % 4) % 4;\n    int rowSizeWithPadding = rowSize + rowPadding;\n    int dataSize = rowSizeWithPadding * h;\n    int headerSize = sizeof(bmpHeader) - 2; \/\/-chars2skip\n    bmpHeader.fileSize = dataSize + headerSize;\n    bmpHeader.dataOffset = headerSize;\n    bmpHeader.dibHeaderSize = headerSize - 14; \/\/-BMP Header size\n    bmpHeader.imgW = w;\n    bmpHeader.imgH = h;\n    if (bytesPerPixel != 4)\n        bmpHeader.bitsPerPixel[0] = bytesPerPixel * 8;\n    bmpHeader.dataSize = dataSize;\n    fwrite(&bmpHeader.bm, 1, headerSize, outFile);\n    \/\/data, from bottom to top\n    unsigned char zero[4] = { 0,0,0,0 };\n    unsigned char bgra[4];\n    for (int y = h - 1; y >= 0; y--) {\n        for (int x = 0; x < w; x++) {\n            int pixelOffset = y * rowSize + x * 4;\n            bgra[0] = buff[pixelOffset + 2];\n            bgra[1] = buff[pixelOffset + 1];\n            bgra[2] = buff[pixelOffset + 0];\n            bgra[3] = buff[pixelOffset + 3];\n            fwrite(bgra, 1, bytesPerPixel, outFile);\n        }\n        if (rowPadding != 0)\n            fwrite(zero, 1, rowPadding, outFile);\n    }\n    fflush(outFile);\n    fclose(outFile);\n\n    return 1;\n}\n\nint Texture::saveTGA(std::string filePath, unsigned char* buff, int w, int h, int bytesPerPixel) {\n    std::string fullPath = getFullPath(filePath);\n    std::string inAppPath = getInAppPath(fullPath);\n    makeDirs(inAppPath);\n    FILE* outFile;\n    myFopen_s(&outFile, fullPath.c_str(), "wb");\n    if (outFile == NULL) {\n        mylog("ERROR in Texture::saveBMP: Can't create file %s\\n", filePath.c_str());\n        return -1;\n    }\n    unsigned char tgaHeader[18] = { 0,0,2,0,0,0,0,0,0,0,0,0, (unsigned char)(w % 256), (unsigned char)(w \/ 256),\n        (unsigned char)(h % 256), (unsigned char)(h \/ 256), (unsigned char)(bytesPerPixel * 8), 0x20 };\n    fwrite(tgaHeader, 1, 18, outFile);\n    \/\/data\n    unsigned char bgra[4];\n    for (int i = 0; i < w * h; i++) {\n        int pixelOffset = i * 4;\n        bgra[0] = buff[pixelOffset + 2];\n        bgra[1] = buff[pixelOffset + 1];\n        bgra[2] = buff[pixelOffset + 0];\n        bgra[3] = buff[pixelOffset + 3];\n        fwrite(bgra, 1, bytesPerPixel, outFile);\n    }\n    fflush(outFile);\n    fclose(outFile);\n\n    return 1;\n}\nint Texture::generateTexture(std::string imgID, int w, int h, unsigned char* imgData, int glRepeatH, int glRepeatV) {\n    \/\/glRepeat options: GL_REPEAT, GL_CLAMP_TO_EDGE, GL_MIRRORED_REPEAT\n    if (!imgID.empty()) {\n        int texN = findTexture(imgID);\n        if (texN >= 0)\n            return texN;\n    }\n    \/\/if here - texture wasn't generated\n    \/\/create Texture object\n    Texture* pTex = new Texture();\n    textures.push_back(pTex);\n    pTex->size[0] = w;\n    pTex->size[1] = h;\n    pTex->source.assign(imgID);\n    \/\/ generate texture\n    glGenTextures(1, (GLuint*)&pTex->GLid);\n    glBindTexture(GL_TEXTURE_2D, pTex->GLid);\n    \/\/ set the texture wrapping\/filtering options (on the currently bound texture object)\n    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, glRepeatH);\n    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, glRepeatV);\n    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);\/\/ GL_LINEAR);  \/\/\n    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);\n    \/\/ attach image data (if provided)\n    if (imgData != NULL) {\n        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, pTex->size[0], pTex->size[1], 0, GL_RGBA, GL_UNSIGNED_BYTE, imgData);\n        glGenerateMipmap(GL_TEXTURE_2D);\n    }\n    return (textures.size() - 1);\n}\nint Texture::detachRenderBuffer(Texture* pTex) {\n    if (pTex->frameBufferId == 0)\n        return 0;\n    if (pTex->depthBufferId > 0) {\n        glDeleteRenderbuffers(1, (GLuint*)&pTex->depthBufferId);\n        pTex->depthBufferId = 0;\n    }\n    glDeleteFramebuffers(1, (GLuint*)&pTex->frameBufferId);\n    pTex->frameBufferId = 0;\n    return 1;\n}\n\nint Texture::attachRenderBuffer(Texture* pTex, bool zBuffer) {\n    if (pTex->frameBufferId > 0)\n        return 0; \/\/attached already\n    \/\/generate frame buffer\n    glGenFramebuffers(1, (GLuint*)&pTex->frameBufferId);\n    if (zBuffer) {\n        \/\/generate depth buffer\n        glGenRenderbuffers(1, (GLuint*)&pTex->depthBufferId);\n        \/\/ create render buffer and bind 16-bit depth buffer\n        glBindRenderbuffer(GL_RENDERBUFFER, pTex->depthBufferId);\n        glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, pTex->size[0], pTex->size[1]);\n        glBindRenderbuffer(GL_RENDERBUFFER, 0); \/\/release\n    }\n    return 1;\n}\nint Texture::setRenderToTexture(Texture* pTex) {\n    if (pTex->frameBufferId == 0) {\n        mylog("ERROR in Texture::setRenderToTexture: %s not renderable", pTex->source.c_str());\n        return -1;\n    }\n    \/\/ Bind the framebuffer\n    glBindFramebuffer(GL_FRAMEBUFFER, pTex->frameBufferId);\n    \/\/ specify texture as color attachment\n    glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, pTex->GLid, 0);\n    \/\/ attach render buffer as depth buffer\n    if (pTex->depthBufferId > 0) {\n        glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, pTex->depthBufferId);\n        glClear(GL_DEPTH_BUFFER_BIT);\n    }\n    \/\/ check status\n    int status = glCheckFramebufferStatus(GL_FRAMEBUFFER);\n    if (status != GL_FRAMEBUFFER_COMPLETE) {\n        std::string str;\n        if (status == GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT)\n            str.assign("GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT");\n        else if (status == GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT)\n            str.assign("GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT");\n        else if (status == GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)\n            str.assign("GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE");\n        else if (status == GL_FRAMEBUFFER_UNSUPPORTED)\n            str.assign("GL_FRAMEBUFFER_UNSUPPORTED");\n        else\n            str.assign("hz");\n        mylog("Modeler.setRenderToTextureBind to texture %s failed: %s\\n", pTex->source.c_str(), str.c_str());\n        return -1;\n    }\n    glViewport(0, 0, pTex->size[0], pTex->size[1]);\n    return 1;\n}\nint Texture::getImageFromTexture(int texN, unsigned char* imgData) {\n    Texture* pTex = textures.at(texN);\n    glBindTexture(GL_TEXTURE_2D, pTex->GLid);\n    glBindFramebuffer(GL_FRAMEBUFFER, pTex->frameBufferId);\n\n    glReadPixels(0, 0, pTex->size[0], pTex->size[1], GL_RGBA, GL_UNSIGNED_BYTE, imgData);\n    return 1;\n}\nint Texture::blurRGBA(unsigned char* imgData, int w0, int h0, int blurLevel) {\n    unsigned char* imgTemp = new unsigned char[w0 * h0 * 4];\n    int w00 = blurLevel * 2 + 1;\n    for (int y0 = 0; y0 < h0; y0++) {\n        int y1 = y0 - blurLevel;\n        int h1 = w00;\n        if (y1 < 0) {\n            int d = -y1;\n            y1 += d;\n            h1 -= d;\n        }\n        else if (y1 > h0 - w00) {\n            int d = y1 - (h0 - w00);\n            h1 -= d;\n        }\n        for (int x0 = 0; x0 < w0; x0++) {\n            int x1 = x0 - blurLevel;\n            int w1 = w00;\n            if (x1 < 0) {\n                int d = -x1;\n                x1 += d;\n                w1 -= d;\n            }\n            else if (x1 > w0 - w00) {\n                int d = x1 - (w0 - w00);\n                w1 -= d;\n            }\n            int sum[4] = { 0,0,0,0 };\n            for (int y = y1; y < y1 + h1; y++) {\n                for (int x = x1; x < x1 + w1; x++) {\n                    int idx = (y * w0 + x) * 4;\n                    for (int ch = 0; ch < 4; ch++)\n                        sum[ch] += imgData[idx + ch];\n                }\n            }\n            int n = w1 * h1;\n            int idx = (y0 * w0 + x0) * 4;\n            for (int ch = 0; ch < 4; ch++)\n                imgTemp[idx + ch] = (unsigned char)(sum[ch] \/ n);\n        }\n    }\n    memcpy(imgData, imgTemp, w0 * h0 * 4);\n    delete[] imgTemp;\n    return 1;\n}\nint Texture::applyCkey(unsigned char* imgData, int w0, int h0, unsigned int ckey) {\n    if (ckey == 0)\n        return 0;\n    MyColor transparentPixel;\n    transparentPixel.setRGBA(127, 127, 127, 0);\n    unsigned int transparentValue = transparentPixel.getUint32();\n    unsigned int* pIntData = (unsigned int*)imgData;\n    int dataIntsN = w0 * h0;\n    int transparentPixelsN = 0;\n    for (int i = 0; i < dataIntsN; i++) {\n        if (pIntData[i] != ckey)\n            continue;\n        \/\/here - have ckey pixel\n        transparentPixelsN++;\n        pIntData[i] = transparentValue;\n    }\n    if (transparentPixelsN == 0)\n        return 0;\n    \/\/re-calculate transparent RGBs\n    int dataCharsN = dataIntsN * 4;\n    \/\/duplicate image\n    unsigned char* imgTemp = new unsigned char[dataCharsN];\n    memcpy(imgTemp, imgData, dataCharsN);\n    \/\/scan\n    int blurLevel = 1;\n    int w00 = blurLevel * 2 + 1;\n    for (int y0 = 0; y0 < h0; y0++) {\n        int y1 = y0 - blurLevel;\n        int h1 = w00;\n        if (y1 < 0) {\n            int d = -y1;\n            y1 += d;\n            h1 -= d;\n        }\n        else if (y1 > h0 - w00) {\n            int d = y1 - (h0 - w00);\n            h1 -= d;\n        }\n        for (int x0 = 0; x0 < w0; x0++) {\n            if (imgData[(y0 * w0 + x0) * 4 + 3] != 0) \/\/check current pixel's alpha component\n                continue; \/\/non-transparent pixel\n            int x1 = x0 - blurLevel;\n            int w1 = w00;\n            if (x1 < 0) {\n                int d = -x1;\n                x1 += d;\n                w1 -= d;\n            }\n            else if (x1 > w0 - w00) {\n                int d = x1 - (w0 - w00);\n                w1 -= d;\n            }\n            int sum[3] = { 0,0,0 };\n            int opaquePixelsN = 0;\n            for (int y = y1; y < y1 + h1; y++) {\n                for (int x = x1; x < x1 + w1; x++) {\n                    int idx = (y * w0 + x) * 4;\n                    if (imgTemp[idx + 3] == 0) \/\/check alpha channel\n                        continue; \/\/transparent pixel\n                    opaquePixelsN++;\n                    for (int ch = 0; ch < 3; ch++)\n                        sum[ch] += imgTemp[idx + ch];\n                }\n            }\n            if (opaquePixelsN == 0)\n                continue;\n            int idx = (y0 * w0 + x0) * 4;\n            for (int ch = 0; ch < 3; ch++)\n                imgData[idx + ch] = (unsigned char)(sum[ch] \/ opaquePixelsN);\n        }\n    }\n    delete[] imgTemp;\n    saveTGA("\/dt\/02.tga", imgData, w0, h0, 3);\n    return 1;\n}\n\n<\/pre><\/div>\n\n\n
  <\/p>\n\n\n\n
  \n\n\n\n
  \u0412 ModelLoader<\/em>-\u0435 \u0443\u0436\u0435 \u0435\u0441\u0442\u044c \u043a\u043e\u0434, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0447\u0438\u0442\u0430\u0435\u0442 \u0438 \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0435\u0442 chroma key<\/em> \u0434\u043b\u044f \u0442\u0435\u043a\u0441\u0442\u0443\u0440\u044b. \u041d\u0430\u0434\u043e \u043f\u0440\u043e\u0441\u0442\u043e \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c chroma key<\/em> \u0432 model descriptor.<\/p>\n\n\n\n
  4. \u0412 \u0422\u0435\u043a\u0441\u0442\u043e\u0432\u043e\u043c \u0440\u0435\u0434\u0430\u043a\u0442\u043e\u0440\u0435<\/strong> \u043e\u0442\u043a\u0440\u043e\u0435\u043c<\/p>\n\n\n\n
  C:\\CPP\\a997modeler<\/strong>\\dt\\models\\misc\\marlboro01\\root01.txt<\/strong><\/em><\/p>\n\n\n\n
  \u0438 \u0437\u0430\u043c\u0435\u043d\u0438\u043c \u043a\u043e\u0434 \u043d\u0430:<\/p>\n\n\n
  \n<texture_as="tx0" src="marlboro03small.png" ckey="#00ff00"\/>\n<mt_type="phong" uTex0_use="tx0" \/>\n<vs="box_tank" whl="53,83,21" ext=1 sectR=1 \/>\n<a="front v,back v" xywh="2,1,323,495"\/>\n<a="right all" xywh="327,1,128,495"\/>\n<a="left all" xywh="457,1,128,495"\/>\n<a="top" xywh="588,1,323,133"\/>\n<a="bottom" xywh="587,136,324,134"\/>\n\n<\/pre><\/div>\n\n\n
  <\/p>\n\n\n\n
  <\/p>\n\n\n\n
  \u0417\u0430\u043c\u0435\u0442\u0438\u043c: \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043d\u043e\u0432\u0430\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f\/property ckey=”#00ff00″<\/em>.<\/li>
  \u0417\u0430\u0434\u0430\u043d\u0430 \u043e\u043d\u0430 \u0432 HTML HEX \u0444\u043e\u0440\u043c\u0430\u0442\u0435. \u0422\u0430\u043a\u0436\u0435 \u0435\u0435 \u043c\u043e\u0436\u043d\u043e \u0437\u0430\u0434\u0430\u0442\u044c \u043a\u0430\u043a \u043c\u0430\u0441\u0441\u0438\u0432 decimal integers: ckey=”0,255,0″<\/em>.<\/li><\/ul>\n\n\n\n
  \n\n\n\n
  5. \u041a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u044f \u0438 \u0437\u0430\u043f\u0443\u0441\u043a.<\/p>\n\n\n\n
  \u0422\u0435\u043f\u0435\u0440\u044c – \u0431\u0435\u0437 <\/strong>\u0437\u0435\u043b\u0435\u043d\u044b\u0445 \u043b\u0438\u043d\u0438\u0439!<\/p>\n\n\n\n
  \n\n\n\n
  \u041f\u0440\u043e\u0432\u0435\u0440\u0435\u043d\u043e \u043d\u0430 \u0410\u043d\u0434\u0440\u043e\u0438\u0434\u0435 \u0442\u043e\u0436\u0435 – \u0432\u0441\u0435 \u043d\u043e\u0440\u043c.<\/p>\n\n\n\n
  \u041d\u0430\u0448\u0430 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0430\u044f \u0446\u0435\u043b\u044c – \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0435 \u0440\u0435\u0430\u043b\u0438\u0441\u0442\u0438\u0447\u043d\u0435\u0435 \u0447\u0435\u043c \u0432 \u0440\u0435\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u0438!<\/p>\n\n\n\n
  \n\n\n\n
  <\/p>\n","protected":false},"excerpt":{"rendered":"
  Chroma keying, \u043f\u043e\u043d\u044f\u0442\u043d\u043e, \u044d\u0442\u043e \u0441\u043f\u043e\u0441\u043e\u0431 \u0441\u0447\u0438\u0442\u0430\u0442\u044c \u043a\u0430\u043a\u043e\u0439-\u0442\u043e \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u0439 \u0446\u0432\u0435\u0442 \u043f\u0440\u043e\u0437\u0440\u0430\u0447\u043d\u044b\u043c. \u0412 \u043d\u0430\u0448\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0435 – \u0437\u0435\u043b\u0435\u043d\u044b\u0439: \u041a\u043e\u043d\u0435\u0447\u043d\u043e, \u043f\u043e\u0441\u043b\u0435 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f, \u043f\u0435\u0440\u0435\u0434 \u0442\u0435\u043c \u043a\u0430\u043a \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0438\u0437 \u043d\u0435\u0433\u043e \u0442\u0435\u043a\u0441\u0442\u0443\u0440\u0443, \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u043b\u0435\u0433\u043a\u043e \u043f\u0440\u043e\u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0435\u0433\u043e \u043d\u0430 \u043f\u0440\u0435\u0434\u043c\u0435\u0442 \u0437\u0435\u043b\u0435\u043d\u044b\u0445 \u043f\u0438\u043a\u0441\u0435\u043b\u0435\u0439, \u0438 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c \u0438\u0445 \u0410\u043b\u044c\u0444\u0430-\u043a\u0430\u043d\u0430\u043b\u044b \u0432 \u043d\u043e\u043b\u044c. \u041f\u0440\u0430\u0432\u0434\u0430, \u043a\u043e\u0433\u0434\u0430 GL rasterizer \u0432\u044b\u0431\u0438\u0440\u0430\u0435\u0442 tUV \u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442\u044b \u0440\u044f\u0434\u043e\u043c \u0441 \u0437\u0435\u043b\u0435\u043d\u043e\u0439 \u0437\u043e\u043d\u043e\u0439, \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u043f\u0438\u043a\u0441\u0435\u043b\u044c \u043d\u0430 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-884","post","type-post","status-publish","format-standard","hentry","category-cross-platform-3d"],"_links":{"self":[{"href":"https:\/\/writingagame.ru\/index.php\/wp-json\/wp\/v2\/posts\/884","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/writingagame.ru\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/writingagame.ru\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/writingagame.ru\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/writingagame.ru\/index.php\/wp-json\/wp\/v2\/comments?post=884"}],"version-history":[{"count":6,"href":"https:\/\/writingagame.ru\/index.php\/wp-json\/wp\/v2\/posts\/884\/revisions"}],"predecessor-version":[{"id":1458,"href":"https:\/\/writingagame.ru\/index.php\/wp-json\/wp\/v2\/posts\/884\/revisions\/1458"}],"wp:attachment":[{"href":"https:\/\/writingagame.ru\/index.php\/wp-json\/wp\/v2\/media?parent=884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/writingagame.ru\/index.php\/wp-json\/wp\/v2\/categories?post=884"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/writingagame.ru\/index.php\/wp-json\/wp\/v2\/tags?post=884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}