FcLibs/FcImage/src/FcImage.h - master - vTech/FcApps

FcLibs/FcImage/src/FcImage.h
82 строки3 KB
vTech
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03 дек 2025, 17:45
03 дек 2025, 17:45ab8382d
#ifndef __FCIMAGE_H__
#define __FCIMAGE_H__

#include <malloc.h>
#include <stdint.h>
#include <string.h>

#define FCIMAGEDEF static inline

typedef struct _FcImage_RGBA_t {
  size_t    mWidth;
  size_t    mHeight;
  uint8_t   mData[1][4];
} FcImage_RGBA_t;

FCIMAGEDEF FcImage_RGBA_t*  FcImage_RGBA(size_t width, size_t height);
FCIMAGEDEF void             FcImage_RGBA_setZero(FcImage_RGBA_t* mImage);
FCIMAGEDEF void             FcImage_RGBA_setColor(FcImage_RGBA_t* mImage, uint8_t R, uint8_t G, uint8_t B, uint8_t A);
FCIMAGEDEF uint8_t(*FcImage_RGBA_getData(FcImage_RGBA_t* pImage))[4] {return pImage ? pImage->mData : NULL;}
FCIMAGEDEF size_t           FcImage_RGBA_getWidth(FcImage_RGBA_t* mImage) { return mImage ? mImage->mWidth : 0; }
FCIMAGEDEF size_t           FcImage_RGBA_getHeight(FcImage_RGBA_t* mImage) { return mImage ? mImage->mHeight : 0; }
FCIMAGEDEF void             FcImage_RGBA_copy(FcImage_RGBA_t* mImage, size_t width, size_t height, uint8_t (*pData)[4]);
FCIMAGEDEF void             FcImage_RGBA_free(FcImage_RGBA_t* mImage);

FCIMAGEDEF FcImage_RGBA_t* FcImage_RGBA(size_t width, size_t height) {
  FcImage_RGBA_t *mImage = (FcImage_RGBA_t *)calloc(1, width * height * 4 * sizeof(uint8_t) + sizeof(FcImage_RGBA_t));
  //printf("%x\n", mImage->mData);
  if (!mImage)
    goto gError;
  mImage->mWidth = width;
  mImage->mHeight = height;

gError:
  return mImage;
}

FCIMAGEDEF void  FcImage_RGBA_setZero(FcImage_RGBA_t* mImage) {
    size_t i, j, mLength;
    if (!mImage) goto gError;
    mLength = mImage->mHeight * mImage->mWidth;
    for (i = 0; i < mLength; i++)
        for (j = 0; j < 4; j++)
            mImage->mData[i][j] = 0;
gError:
    return;
}

FCIMAGEDEF void  FcImage_RGBA_setColor(FcImage_RGBA_t* mImage, uint8_t R, uint8_t G, uint8_t B, uint8_t A) {
    size_t i, j, mLength;
    if (!mImage) goto gError;
    mLength = mImage->mHeight * mImage->mWidth;
    for (i = 0; i < mLength; i++)
        mImage->mData[i][0] = R,
        mImage->mData[i][1] = G,
        mImage->mData[i][2] = B,
        mImage->mData[i][3] = A;
gError:
    return;
}

FCIMAGEDEF void  FcImage_RGBA_copy(FcImage_RGBA_t* mImage, size_t width, size_t height, uint8_t (*pData)[4]){
  size_t x, y, i, mWidth, mHeight;
  if (!mImage || !pData) goto gError;
  mHeight = height > mImage->mHeight ? mImage->mHeight : height;
  mWidth = width > mImage->mWidth ? mImage->mWidth : width;
  for (y = 0; y < mHeight; y++)
    for (x = 0; x < mWidth; x++)
      for (i = 0; i < 4; i++)
        mImage->mData[y * mImage->mWidth + x][i] = pData[y * width + x][i];

  return;
  gError:
  return;
}

FCIMAGEDEF void FcImage_RGBA_free(FcImage_RGBA_t* pImage) { 
   if (pImage) free(pImage);
}

#undef FCIMAGEDEF

#endif //__FCIMAGE_H__