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synced 2025-03-03 11:35:52 +03:00
Added more raw decoder 16 bit pixel formats
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54ff76ae09
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@ -441,6 +441,36 @@ ImagingUnpackBGR(UINT8* out, const UINT8* in, int pixels)
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}
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}
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void
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ImagingUnpackRGB15(UINT8* out, const UINT8* in, int pixels)
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{
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int i, pixel;
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/* RGB, 5 bits per pixel */
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for (i = 0; i < pixels; i++) {
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pixel = in[0] + (in[1] << 8);
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out[R] = (pixel & 31) * 255 / 31;
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out[G] = ((pixel>>5) & 31) * 255 / 31;
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out[B] = ((pixel>>10) & 31) * 255 / 31;
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out[A] = 255;
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out += 4; in += 2;
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}
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}
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void
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ImagingUnpackRGBA15(UINT8* out, const UINT8* in, int pixels)
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{
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int i, pixel;
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/* RGB, 5/5/5/1 bits per pixel */
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for (i = 0; i < pixels; i++) {
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pixel = in[0] + (in[1] << 8);
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out[R] = (pixel & 31) * 255 / 31;
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out[G] = ((pixel>>5) & 31) * 255 / 31;
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out[B] = ((pixel>>10) & 31) * 255 / 31;
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out[A] = (pixel>>15) * 255;
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out += 4; in += 2;
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}
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}
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void
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ImagingUnpackBGR15(UINT8* out, const UINT8* in, int pixels)
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{
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@ -456,6 +486,36 @@ ImagingUnpackBGR15(UINT8* out, const UINT8* in, int pixels)
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}
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}
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void
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ImagingUnpackBGRA15(UINT8* out, const UINT8* in, int pixels)
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{
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int i, pixel;
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/* RGB, reversed bytes, 5/5/5/1 bits per pixel */
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for (i = 0; i < pixels; i++) {
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pixel = in[0] + (in[1] << 8);
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out[B] = (pixel & 31) * 255 / 31;
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out[G] = ((pixel>>5) & 31) * 255 / 31;
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out[R] = ((pixel>>10) & 31) * 255 / 31;
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out[A] = (pixel>>15) * 255;
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out += 4; in += 2;
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}
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}
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void
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ImagingUnpackRGB16(UINT8* out, const UINT8* in, int pixels)
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{
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int i, pixel;
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/* RGB, 5/6/5 bits per pixel */
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for (i = 0; i < pixels; i++) {
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pixel = in[0] + (in[1] << 8);
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out[R] = (pixel & 31) * 255 / 31;
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out[G] = ((pixel>>5) & 63) * 255 / 63;
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out[B] = ((pixel>>11) & 31) * 255 / 31;
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out[A] = 255;
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out += 4; in += 2;
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}
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}
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void
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ImagingUnpackBGR16(UINT8* out, const UINT8* in, int pixels)
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{
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@ -471,6 +531,36 @@ ImagingUnpackBGR16(UINT8* out, const UINT8* in, int pixels)
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}
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}
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void
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ImagingUnpackRGB4B(UINT8* out, const UINT8* in, int pixels)
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{
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int i, pixel;
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/* RGB, 4 bits per pixel */
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for (i = 0; i < pixels; i++) {
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pixel = in[0] + (in[1] << 8);
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out[R] = (pixel & 15) * 17;
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out[G] = ((pixel>>4) & 15) * 17;
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out[B] = ((pixel>>8) & 15) * 17;
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out[A] = 255;
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out += 4; in += 2;
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}
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}
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void
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ImagingUnpackRGBA4B(UINT8* out, const UINT8* in, int pixels)
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{
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int i, pixel;
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/* RGBA, 4 bits per pixel */
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for (i = 0; i < pixels; i++) {
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pixel = in[0] + (in[1] << 8);
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out[R] = (pixel & 15) * 17;
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out[G] = ((pixel>>4) & 15) * 17;
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out[B] = ((pixel>>8) & 15) * 17;
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out[A] = ((pixel>>12) & 15) * 17;
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out += 4; in += 2;
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}
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}
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static void
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ImagingUnpackBGRX(UINT8* out, const UINT8* in, int pixels)
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{
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@ -889,8 +979,11 @@ static struct {
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{"RGB", "RGB;R", 24, unpackRGBR},
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{"RGB", "RGB;16B", 48, unpackRGB16B},
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{"RGB", "BGR", 24, ImagingUnpackBGR},
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{"RGB", "RGB;15", 16, ImagingUnpackRGB15},
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{"RGB", "BGR;15", 16, ImagingUnpackBGR15},
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{"RGB", "RGB;16", 16, ImagingUnpackRGB16},
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{"RGB", "BGR;16", 16, ImagingUnpackBGR16},
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{"RGB", "RGB;4B", 16, ImagingUnpackRGB4B},
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{"RGB", "BGR;5", 16, ImagingUnpackBGR15}, /* compat */
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{"RGB", "RGBX", 32, copy4},
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{"RGB", "RGBX;L", 32, unpackRGBAL},
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@ -909,6 +1002,9 @@ static struct {
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{"RGBA", "RGBa", 32, unpackRGBa},
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{"RGBA", "RGBA;I", 32, unpackRGBAI},
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{"RGBA", "RGBA;L", 32, unpackRGBAL},
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{"RGBA", "RGBA;15", 16, ImagingUnpackRGBA15},
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{"RGBA", "BGRA;15", 16, ImagingUnpackBGRA15},
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{"RGBA", "RGBA;4B", 16, ImagingUnpackRGBA4B},
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{"RGBA", "RGBA;16B", 64, unpackRGBA16B},
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{"RGBA", "BGRA", 32, unpackBGRA},
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{"RGBA", "ARGB", 32, unpackARGB},
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@ -924,8 +1020,9 @@ static struct {
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{"RGBX", "RGB;L", 24, unpackRGBL},
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{"RGBX", "RGB;16B", 48, unpackRGB16B},
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{"RGBX", "BGR", 24, ImagingUnpackBGR},
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{"RGBX", "RGB;15", 16, ImagingUnpackRGB15},
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{"RGBX", "BGR;15", 16, ImagingUnpackBGR15},
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{"RGB", "BGR;16", 16, ImagingUnpackBGR16},
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{"RGBX", "RGB;4B", 16, ImagingUnpackRGB4B},
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{"RGBX", "BGR;5", 16, ImagingUnpackBGR15}, /* compat */
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{"RGBX", "RGBX", 32, copy4},
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{"RGBX", "RGBX;L", 32, unpackRGBAL},
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