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#include "emcorelib.h"
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#include "emcorelib.h"
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#include "blend.h"
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#include "blend.h"
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void blend(int width, int height, int opacity,
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void fill(int width, int height, uint32_t color,
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           void* outbuf, int outx, int outy, int outstride,
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          void* buf, int outx, int outy, int stride)
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           void* in1buf, int in1x, int in1y, int in1stride,
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           void* in2buf, int in2x, int in2y, int in2stride)
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{
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{
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    char* in1 = (char*)in1buf + (in1x + in1y * in1stride) * 3;
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    char* out = (char*)buf + (outx + outy * stride) * 3;
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    int r = (color >> 0) & 0xff;
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    char* in2 = (char*)in2buf + (in2x + in2y * in2stride) * 4;
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    int g = (color >> 8) & 0xff;
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    char* out = (char*)outbuf + (outx + outy * outstride) * 3;
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    int b = (color >> 16) & 0xff;
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    int x, y;
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    int x, y;
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    for (y = 0; y < height; y++)
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    for (y = 0; y < height; y++)
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    {
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    {
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        for (x = 0; x < width; x++)
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        for (x = 0; x < width; x++)
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        {
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        {
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            int r1 = *in1++;
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            *out++ = r;
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            int g1 = *in1++;
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            *out++ = g;
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            int b1 = *in1++;
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            int r2 = *in2++;
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            int g2 = *in2++;
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            int b2 = *in2++;
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            *out++ = b;
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            int a = *in2++ * opacity;
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            *out++ = (a * r2 + (65535 - a) * r1) >> 16;
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            *out++ = (a * g2 + (65535 - a) * g1) >> 16;
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            *out++ = (a * b2 + (65535 - a) * b1) >> 16;
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        }
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        }
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        in1 += (in1stride - width) * 3;
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        out += (stride - width) * 3;
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    }
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}
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void blit(int width, int height, int pixelbytes,
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          void* outbuf, int outx, int outy, int outstride,
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          void* inbuf, int inx, int iny, int instride)
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{
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    int i;
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    char* in = (char*)inbuf + (inx + iny * instride) * pixelbytes;
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    char* out = (char*)outbuf + (outx + outy * outstride) * pixelbytes;
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    int rowsize = width * pixelbytes;
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    while (height--)
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    {
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        memcpy(out, in, rowsize);
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        in2 += (in2stride - width) * 4;
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        in += instride * pixelbytes;
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        out += (outstride - width) * 3;
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        out += outstride * pixelbytes;
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    }
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    }
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}
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}
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void blendcolor(int width, int height, uint32_t color,
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void blendcolor(int width, int height, uint32_t color,
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                void* outbuf, int outx, int outy, int outstride,
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                void* outbuf, int outx, int outy, int outstride,
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        in += (instride - width) * 4;
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        in += (instride - width) * 4;
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        out += (outstride - width) * 3;
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        out += (outstride - width) * 3;
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    }
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    }
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}
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}
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void blit(int width, int height, int pixelbytes,
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void blend(int width, int height, int opacity,
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          void* outbuf, int outx, int outy, int outstride,
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           void* outbuf, int outx, int outy, int outstride,
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           void* in1buf, int in1x, int in1y, int in1stride,
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          void* inbuf, int inx, int iny, int instride)
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           void* in2buf, int in2x, int in2y, int in2stride)
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{
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{
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    int i;
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    char* in1 = (char*)in1buf + (in1x + in1y * in1stride) * 3;
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    char* in = (char*)inbuf + (inx + iny * instride) * pixelbytes;
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    char* in2 = (char*)in2buf + (in2x + in2y * in2stride) * 3;
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    char* out = (char*)outbuf + (outx + outy * outstride) * pixelbytes;
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    char* out = (char*)outbuf + (outx + outy * outstride) * 3;
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    int rowsize = width * pixelbytes;
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    int x, y;
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    while (height--)
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    for (y = 0; y < height; y++)
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    {
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    {
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        for (x = 0; x < width; x++)
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        {
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            int r1 = *in1++;
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            int g1 = *in1++;
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        memcpy(out, in, rowsize);
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            int b1 = *in1++;
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            int r2 = *in2++;
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            int g2 = *in2++;
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            int b2 = *in2++;
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            *out++ = (opacity * r2 + (255 - opacity) * r1) >> 8;
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            *out++ = (opacity * g2 + (255 - opacity) * g1) >> 8;
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            *out++ = (opacity * b2 + (255 - opacity) * b1) >> 8;
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        }
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        in1 += (in1stride - width) * 3;
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        in += instride * pixelbytes;
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        in2 += (in2stride - width) * 3;
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        out += outstride * pixelbytes;
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        out += (outstride - width) * 3;
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    }
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    }
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}
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}
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void fill(int width, int height, uint32_t color,
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void blenda(int width, int height, int opacity,
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          void* buf, int outx, int outy, int stride)
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           void* outbuf, int outx, int outy, int outstride,
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           void* in1buf, int in1x, int in1y, int in1stride,
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           void* in2buf, int in2x, int in2y, int in2stride)
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{
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{
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    char* out = (char*)buf + (outx + outy * stride) * 3;
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    char* in1 = (char*)in1buf + (in1x + in1y * in1stride) * 3;
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    int r = (color >> 0) & 0xff;
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    int g = (color >> 8) & 0xff;
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    char* in2 = (char*)in2buf + (in2x + in2y * in2stride) * 4;
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    int b = (color >> 16) & 0xff;
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    char* out = (char*)outbuf + (outx + outy * outstride) * 3;
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    int x, y;
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    int x, y;
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    for (y = 0; y < height; y++)
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    for (y = 0; y < height; y++)
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    {
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    {
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        for (x = 0; x < width; x++)
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        for (x = 0; x < width; x++)
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        {
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        {
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            *out++ = r;
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            int r1 = *in1++;
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            *out++ = g;
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            int g1 = *in1++;
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            int b1 = *in1++;
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            int r2 = *in2++;
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            int g2 = *in2++;
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            *out++ = b;
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            int b2 = *in2++;
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            int a = *in2++ * opacity;
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            *out++ = (a * r2 + (65535 - a) * r1) >> 16;
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            *out++ = (a * g2 + (65535 - a) * g1) >> 16;
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            *out++ = (a * b2 + (65535 - a) * b1) >> 16;
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        }
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        }
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        in1 += (in1stride - width) * 3;
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        in2 += (in2stride - width) * 4;
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        out += (stride - width) * 3;
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        out += (outstride - width) * 3;
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    }
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    }
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}
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}