static void unpack_argb(enum _openslide_jp2k_colorspace space,
opj_image_comp_t *comps,
uint32_t *dest,
int32_t w, int32_t h) {
// TODO: too slow, and with duplicated code!
int c0_sub_x = w / comps[0].w;
int c1_sub_x = w / comps[1].w;
int c2_sub_x = w / comps[2].w;
int c0_sub_y = h / comps[0].h;
int c1_sub_y = h / comps[1].h;
int c2_sub_y = h / comps[2].h;
int i = 0;
switch (space) {
case OPENSLIDE_JP2K_YCBCR:
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
uint8_t c0 = comps[0].data[(y / c0_sub_y) * comps[0].w + (x / c0_sub_x)];
uint8_t c1 = comps[1].data[(y / c1_sub_y) * comps[1].w + (x / c1_sub_x)];
uint8_t c2 = comps[2].data[(y / c2_sub_y) * comps[2].w + (x / c2_sub_x)];
write_pixel_ycbcr(dest + i, c0, c1, c2);
i++;
}
}
break;
case OPENSLIDE_JP2K_RGB:
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
uint8_t c0 = comps[0].data[(y / c0_sub_y) * comps[0].w + (x / c0_sub_x)];
uint8_t c1 = comps[1].data[(y / c1_sub_y) * comps[1].w + (x / c1_sub_x)];
uint8_t c2 = comps[2].data[(y / c2_sub_y) * comps[2].w + (x / c2_sub_x)];
write_pixel_rgb(dest + i, c0, c1, c2);
i++;
}
}
break;
}
}
static void copy_aperio_tile(uint16_t compression_mode,
opj_image_comp_t *comps,
uint32_t *dest,
int32_t w, int32_t h,
int c0_sub_x, int c0_sub_y,
int c1_sub_x, int c1_sub_y,
int c2_sub_x, int c2_sub_y) {
// TODO: too slow, and with duplicated code!
int i = 0;
switch (compression_mode) {
case APERIO_COMPRESSION_JP2K_YCBCR:
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
uint8_t c0 = comps[0].data[(y / c0_sub_y) * comps[0].w + (x / c0_sub_x)];
uint8_t c1 = comps[1].data[(y / c1_sub_y) * comps[1].w + (x / c1_sub_x)];
uint8_t c2 = comps[2].data[(y / c2_sub_y) * comps[2].w + (x / c2_sub_x)];
write_pixel_ycbcr(dest + i, c0, c1, c2);
i++;
}
}
break;
case APERIO_COMPRESSION_JP2K_RGB:
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
uint8_t c0 = comps[0].data[(y / c0_sub_y) * comps[0].w + (x / c0_sub_x)];
uint8_t c1 = comps[1].data[(y / c1_sub_y) * comps[1].w + (x / c1_sub_x)];
uint8_t c2 = comps[2].data[(y / c2_sub_y) * comps[2].w + (x / c2_sub_x)];
write_pixel_rgb(dest + i, c0, c1, c2);
i++;
}
}
break;
}
}
