static void super2xsai(AVFilterContext *ctx,
uint8_t *src, int src_linesize,
uint8_t *dst, int dst_linesize,
int width, int height)
{
Super2xSaIContext *sai = ctx->priv;
unsigned int x, y;
uint32_t color[4][4];
unsigned char *src_line[4];
const int bpp = sai->bpp;
const uint32_t hi_pixel_mask = sai->hi_pixel_mask;
const uint32_t lo_pixel_mask = sai->lo_pixel_mask;
const uint32_t q_hi_pixel_mask = sai->q_hi_pixel_mask;
const uint32_t q_lo_pixel_mask = sai->q_lo_pixel_mask;
/* Point to the first 4 lines, first line is duplicated */
src_line[0] = src;
src_line[1] = src;
src_line[2] = src + src_linesize*FFMIN(1, height-1);
src_line[3] = src + src_linesize*FFMIN(2, height-1);
#define READ_COLOR4(dst, src_line, off) dst = *((const uint32_t *)src_line + off)
#define READ_COLOR3(dst, src_line, off) dst = AV_RL24 (src_line + 3*off)
#define READ_COLOR2(dst, src_line, off) dst = sai->is_be ? AV_RB16(src_line + 2 * off) : AV_RL16(src_line + 2 * off)
for (y = 0; y < height; y++) {
uint8_t *dst_line[2];
dst_line[0] = dst + dst_linesize*2*y;
dst_line[1] = dst + dst_linesize*(2*y+1);
switch (bpp) {
case 4:
READ_COLOR4(color[0][0], src_line[0], 0); color[0][1] = color[0][0]; READ_COLOR4(color[0][2], src_line[0], 1); READ_COLOR4(color[0][3], src_line[0], 2);
READ_COLOR4(color[1][0], src_line[1], 0); color[1][1] = color[1][0]; READ_COLOR4(color[1][2], src_line[1], 1); READ_COLOR4(color[1][3], src_line[1], 2);
READ_COLOR4(color[2][0], src_line[2], 0); color[2][1] = color[2][0]; READ_COLOR4(color[2][2], src_line[2], 1); READ_COLOR4(color[2][3], src_line[2], 2);
READ_COLOR4(color[3][0], src_line[3], 0); color[3][1] = color[3][0]; READ_COLOR4(color[3][2], src_line[3], 1); READ_COLOR4(color[3][3], src_line[3], 2);
break;
case 3:
READ_COLOR3(color[0][0], src_line[0], 0); color[0][1] = color[0][0]; READ_COLOR3(color[0][2], src_line[0], 1); READ_COLOR3(color[0][3], src_line[0], 2);
READ_COLOR3(color[1][0], src_line[1], 0); color[1][1] = color[1][0]; READ_COLOR3(color[1][2], src_line[1], 1); READ_COLOR3(color[1][3], src_line[1], 2);
READ_COLOR3(color[2][0], src_line[2], 0); color[2][1] = color[2][0]; READ_COLOR3(color[2][2], src_line[2], 1); READ_COLOR3(color[2][3], src_line[2], 2);
READ_COLOR3(color[3][0], src_line[3], 0); color[3][1] = color[3][0]; READ_COLOR3(color[3][2], src_line[3], 1); READ_COLOR3(color[3][3], src_line[3], 2);
break;
default:
READ_COLOR2(color[0][0], src_line[0], 0); color[0][1] = color[0][0]; READ_COLOR2(color[0][2], src_line[0], 1); READ_COLOR2(color[0][3], src_line[0], 2);
READ_COLOR2(color[1][0], src_line[1], 0); color[1][1] = color[1][0]; READ_COLOR2(color[1][2], src_line[1], 1); READ_COLOR2(color[1][3], src_line[1], 2);
READ_COLOR2(color[2][0], src_line[2], 0); color[2][1] = color[2][0]; READ_COLOR2(color[2][2], src_line[2], 1); READ_COLOR2(color[2][3], src_line[2], 2);
READ_COLOR2(color[3][0], src_line[3], 0); color[3][1] = color[3][0]; READ_COLOR2(color[3][2], src_line[3], 1); READ_COLOR2(color[3][3], src_line[3], 2);
}
for (x = 0; x < width; x++) {
uint32_t product1a, product1b, product2a, product2b;
//--------------------------------------- B0 B1 B2 B3 0 1 2 3
// 4 5* 6 S2 -> 4 5* 6 7
// 1 2 3 S1 8 9 10 11
// A0 A1 A2 A3 12 13 14 15
//--------------------------------------
if (color[2][1] == color[1][2] && color[1][1] != color[2][2]) {
product2b = color[2][1];
product1b = product2b;
} else if (color[1][1] == color[2][2] && color[2][1] != color[1][2]) {
product2b = color[1][1];
product1b = product2b;
} else if (color[1][1] == color[2][2] && color[2][1] == color[1][2]) {
int r = 0;
r += GET_RESULT(color[1][2], color[1][1], color[1][0], color[3][1]);
r += GET_RESULT(color[1][2], color[1][1], color[2][0], color[0][1]);
r += GET_RESULT(color[1][2], color[1][1], color[3][2], color[2][3]);
r += GET_RESULT(color[1][2], color[1][1], color[0][2], color[1][3]);
if (r > 0)
product1b = color[1][2];
else if (r < 0)
product1b = color[1][1];
else
product1b = INTERPOLATE(color[1][1], color[1][2]);
product2b = product1b;
} else {
if (color[1][2] == color[2][2] && color[2][2] == color[3][1] && color[2][1] != color[3][2] && color[2][2] != color[3][0])
product2b = Q_INTERPOLATE(color[2][2], color[2][2], color[2][2], color[2][1]);
else if (color[1][1] == color[2][1] && color[2][1] == color[3][2] && color[3][1] != color[2][2] && color[2][1] != color[3][3])
product2b = Q_INTERPOLATE(color[2][1], color[2][1], color[2][1], color[2][2]);
else
product2b = INTERPOLATE(color[2][1], color[2][2]);
if (color[1][2] == color[2][2] && color[1][2] == color[0][1] && color[1][1] != color[0][2] && color[1][2] != color[0][0])
product1b = Q_INTERPOLATE(color[1][2], color[1][2], color[1][2], color[1][1]);
else if (color[1][1] == color[2][1] && color[1][1] == color[0][2] && color[0][1] != color[1][2] && color[1][1] != color[0][3])
product1b = Q_INTERPOLATE(color[1][2], color[1][1], color[1][1], color[1][1]);
else
product1b = INTERPOLATE(color[1][1], color[1][2]);
}
if (color[1][1] == color[2][2] && color[2][1] != color[1][2] && color[1][0] == color[1][1] && color[1][1] != color[3][2])
product2a = INTERPOLATE(color[2][1], color[1][1]);
else if (color[1][1] == color[2][0] && color[1][2] == color[1][1] && color[1][0] != color[2][1] && color[1][1] != color[3][0])
product2a = INTERPOLATE(color[2][1], color[1][1]);
else
product2a = color[2][1];
if (color[2][1] == color[1][2] && color[1][1] != color[2][2] && color[2][0] == color[2][1] && color[2][1] != color[0][2])
product1a = INTERPOLATE(color[2][1], color[1][1]);
else if (color[1][0] == color[2][1] && color[2][2] == color[2][1] && color[2][0] != color[1][1] && color[2][1] != color[0][0])
product1a = INTERPOLATE(color[2][1], color[1][1]);
else
product1a = color[1][1];
/* Set the calculated pixels */
switch (bpp) {
case 4:
AV_WN32A(dst_line[0] + x * 8, product1a);
AV_WN32A(dst_line[0] + x * 8 + 4, product1b);
AV_WN32A(dst_line[1] + x * 8, product2a);
AV_WN32A(dst_line[1] + x * 8 + 4, product2b);
break;
case 3:
AV_WL24(dst_line[0] + x * 6, product1a);
AV_WL24(dst_line[0] + x * 6 + 3, product1b);
AV_WL24(dst_line[1] + x * 6, product2a);
AV_WL24(dst_line[1] + x * 6 + 3, product2b);
break;
default: // bpp = 2
if (sai->is_be) {
AV_WB32(dst_line[0] + x * 4, product1a | (product1b << 16));
AV_WB32(dst_line[1] + x * 4, product2a | (product2b << 16));
} else {
AV_WL32(dst_line[0] + x * 4, product1a | (product1b << 16));
AV_WL32(dst_line[1] + x * 4, product2a | (product2b << 16));
}
}
/* Move color matrix forward */
color[0][0] = color[0][1]; color[0][1] = color[0][2]; color[0][2] = color[0][3];
color[1][0] = color[1][1]; color[1][1] = color[1][2]; color[1][2] = color[1][3];
color[2][0] = color[2][1]; color[2][1] = color[2][2]; color[2][2] = color[2][3];
color[3][0] = color[3][1]; color[3][1] = color[3][2]; color[3][2] = color[3][3];
if (x < width - 3) {
x += 3;
switch (bpp) {
case 4:
READ_COLOR4(color[0][3], src_line[0], x);
READ_COLOR4(color[1][3], src_line[1], x);
READ_COLOR4(color[2][3], src_line[2], x);
READ_COLOR4(color[3][3], src_line[3], x);
break;
case 3:
READ_COLOR3(color[0][3], src_line[0], x);
READ_COLOR3(color[1][3], src_line[1], x);
READ_COLOR3(color[2][3], src_line[2], x);
READ_COLOR3(color[3][3], src_line[3], x);
break;
default: /* case 2 */
READ_COLOR2(color[0][3], src_line[0], x);
READ_COLOR2(color[1][3], src_line[1], x);
READ_COLOR2(color[2][3], src_line[2], x);
READ_COLOR2(color[3][3], src_line[3], x);
}
x -= 3;
}
}
/* We're done with one line, so we shift the source lines up */
src_line[0] = src_line[1];
src_line[1] = src_line[2];
src_line[2] = src_line[3];
/* Read next line */
src_line[3] = src_line[2];
if (y < height - 3)
src_line[3] += src_linesize;
} // y loop
}
void Super2xSaI_ex(uint8_t *src, uint32_t src_pitch,
uint8_t *dst, uint32_t dst_pitch,
uint32_t width, uint32_t height, int sbpp) {
unsigned int x, y;
uint32_t color[16];
/* Point to the first 3 lines. */
src_line[0] = src;
src_line[1] = src;
src_line[2] = src + src_pitch;
src_line[3] = src + src_pitch * 2;
x = 0, y = 0;
if (PixelsPerMask == 2) {
unsigned short *sbp;
sbp = (unsigned short*)src_line[0];
color[0] = *sbp; color[1] = color[0]; color[2] = color[0]; color[3] = color[0];
color[4] = color[0]; color[5] = color[0]; color[6] = *(sbp + 1); color[7] = *(sbp + 2);
sbp = (unsigned short*)src_line[2];
color[8] = *sbp; color[9] = color[8]; color[10] = *(sbp + 1); color[11] = *(sbp + 2);
sbp = (unsigned short*)src_line[3];
color[12] = *sbp; color[13] = color[12]; color[14] = *(sbp + 1); color[15] = *(sbp + 2);
}
else {
uint32_t *lbp;
lbp = (uint32_t*)src_line[0];
color[0] = *lbp; color[1] = color[0]; color[2] = color[0]; color[3] = color[0];
color[4] = color[0]; color[5] = color[0]; color[6] = *(lbp + 1); color[7] = *(lbp + 2);
lbp = (uint32_t*)src_line[2];
color[8] = *lbp; color[9] = color[8]; color[10] = *(lbp + 1); color[11] = *(lbp + 2);
lbp = (uint32_t*)src_line[3];
color[12] = *lbp; color[13] = color[12]; color[14] = *(lbp + 1); color[15] = *(lbp + 2);
}
for (y = 0; y < height; y++) {
dst_line[0] = dst + dst_pitch*2*y;
dst_line[1] = dst + dst_pitch*(2*y+1);
/* Todo: x = width - 2, x = width - 1 */
for (x = 0; x < width; x++) {
uint32_t product1a, product1b, product2a, product2b;
//--------------------------------------- B0 B1 B2 B3 0 1 2 3
// 4 5* 6 S2 -> 4 5* 6 7
// 1 2 3 S1 8 9 10 11
// A0 A1 A2 A3 12 13 14 15
//--------------------------------------
if (color[9] == color[6] && color[5] != color[10]) {
product2b = color[9];
product1b = product2b;
}
else if (color[5] == color[10] && color[9] != color[6]) {
product2b = color[5];
product1b = product2b;
}
else if (color[5] == color[10] && color[9] == color[6]) {
int r = 0;
r += GET_RESULT(color[6], color[5], color[8], color[13]);
r += GET_RESULT(color[6], color[5], color[4], color[1]);
r += GET_RESULT(color[6], color[5], color[14], color[11]);
r += GET_RESULT(color[6], color[5], color[2], color[7]);
if (r > 0)
product1b = color[6];
else if (r < 0)
product1b = color[5];
else
product1b = INTERPOLATE(color[5], color[6]);
product2b = product1b;
}
else {
if (color[6] == color[10] && color[10] == color[13] && color[9] != color[14] && color[10] != color[12])
product2b = Q_INTERPOLATE(color[10], color[10], color[10], color[9]);
else if (color[5] == color[9] && color[9] == color[14] && color[13] != color[10] && color[9] != color[15])
product2b = Q_INTERPOLATE(color[9], color[9], color[9], color[10]);
else
product2b = INTERPOLATE(color[9], color[10]);
if (color[6] == color[10] && color[6] == color[1] && color[5] != color[2] && color[6] != color[0])
product1b = Q_INTERPOLATE(color[6], color[6], color[6], color[5]);
else if (color[5] == color[9] && color[5] == color[2] && color[1] != color[6] && color[5] != color[3])
product1b = Q_INTERPOLATE(color[6], color[5], color[5], color[5]);
else
product1b = INTERPOLATE(color[5], color[6]);
}
if (color[5] == color[10] && color[9] != color[6] && color[4] == color[5] && color[5] != color[14])
product2a = INTERPOLATE(color[9], color[5]);
else if (color[5] == color[8] && color[6] == color[5] && color[4] != color[9] && color[5] != color[12])
product2a = INTERPOLATE(color[9], color[5]);
else
product2a = color[9];
if (color[9] == color[6] && color[5] != color[10] && color[8] == color[9] && color[9] != color[2])
product1a = INTERPOLATE(color[9], color[5]);
else if (color[4] == color[9] && color[10] == color[9] && color[8] != color[5] && color[9] != color[0])
product1a = INTERPOLATE(color[9], color[5]);
else
product1a = color[5];
if (PixelsPerMask == 2) {
*((uint32_t *) (&dst_line[0][x * 4])) = product1a | (product1b << 16);
*((uint32_t *) (&dst_line[1][x * 4])) = product2a | (product2b << 16);
}
else {
*((uint32_t *) (&dst_line[0][x * 8])) = product1a;
*((uint32_t *) (&dst_line[0][x * 8 + 4])) = product1b;
*((uint32_t *) (&dst_line[1][x * 8])) = product2a;
*((uint32_t *) (&dst_line[1][x * 8 + 4])) = product2b;
}
/* Move color matrix forward */
color[0] = color[1]; color[4] = color[5]; color[8] = color[9]; color[12] = color[13];
color[1] = color[2]; color[5] = color[6]; color[9] = color[10]; color[13] = color[14];
color[2] = color[3]; color[6] = color[7]; color[10] = color[11]; color[14] = color[15];
if (x < width - 3) {
x += 3;
if (PixelsPerMask == 2) {
color[3] = *(((unsigned short*)src_line[0]) + x);
color[7] = *(((unsigned short*)src_line[1]) + x);
color[11] = *(((unsigned short*)src_line[2]) + x);
color[15] = *(((unsigned short*)src_line[3]) + x);
}
else {
color[3] = *(((uint32_t*)src_line[0]) + x);
color[7] = *(((uint32_t*)src_line[1]) + x);
color[11] = *(((uint32_t*)src_line[2]) + x);
color[15] = *(((uint32_t*)src_line[3]) + x);
}
x -= 3;
}
}
/* We're done with one line, so we shift the source lines up */
src_line[0] = src_line[1];
src_line[1] = src_line[2];
src_line[2] = src_line[3];
/* Read next line */
if (y + 3 >= height)
src_line[3] = src_line[2];
else
src_line[3] = src_line[2] + src_pitch;
/* Then shift the color matrix up */
if (PixelsPerMask == 2) {
unsigned short *sbp;
sbp = (unsigned short*)src_line[0];
color[0] = *sbp; color[1] = color[0]; color[2] = *(sbp + 1); color[3] = *(sbp + 2);
sbp = (unsigned short*)src_line[1];
color[4] = *sbp; color[5] = color[4]; color[6] = *(sbp + 1); color[7] = *(sbp + 2);
sbp = (unsigned short*)src_line[2];
color[8] = *sbp; color[9] = color[9]; color[10] = *(sbp + 1); color[11] = *(sbp + 2);
sbp = (unsigned short*)src_line[3];
color[12] = *sbp; color[13] = color[12]; color[14] = *(sbp + 1); color[15] = *(sbp + 2);
}
else {
uint32_t *lbp;
lbp = (uint32_t*)src_line[0];
color[0] = *lbp; color[1] = color[0]; color[2] = *(lbp + 1); color[3] = *(lbp + 2);
lbp = (uint32_t*)src_line[1];
color[4] = *lbp; color[5] = color[4]; color[6] = *(lbp + 1); color[7] = *(lbp + 2);
lbp = (uint32_t*)src_line[2];
color[8] = *lbp; color[9] = color[9]; color[10] = *(lbp + 1); color[11] = *(lbp + 2);
lbp = (uint32_t*)src_line[3];
color[12] = *lbp; color[13] = color[12]; color[14] = *(lbp + 1); color[15] = *(lbp + 2);
}
} // y loop
}
void SuperEagle_ex(uint8 *src, uint32 src_pitch, uint8 *unused, ALLEGRO_BITMAP *dest, uint32 width, uint32 height) {
int j, v;
unsigned int x, y;
int sbpp = BYTES_PER_PIXEL(bitmap_color_depth(dest));
unsigned long color[12];
unsigned char **src_line = new unsigned char*[4];
unsigned char **dst_line = new unsigned char*[2];
/* Point to the first 3 lines. */
src_line[0] = src;
src_line[1] = src;
src_line[2] = src + src_pitch;
src_line[3] = src + src_pitch * 2;
/* Can we write the results directly? */
if (is_video_bitmap(dest) || is_planar_bitmap(dest)) {
//dst_line[0] = malloc(sizeof(char) * sbpp * width);
//dst_line[1] = malloc(sizeof(char) * sbpp * width);
dst_line[0] = new unsigned char[sbpp*width];
dst_line[1] = new unsigned char[sbpp*width];
v = 1;
}
else {
dst_line[0] = dest->line[0];
dst_line[1] = dest->line[1];
v = 0;
}
/* Set destination */
bmp_select(dest);
x = 0, y = 0;
if (PixelsPerMask == 2) {
unsigned short *sbp;
sbp = (unsigned short*)src_line[0];
color[0] = *sbp; color[1] = color[0]; color[2] = color[0]; color[3] = color[0];
color[4] = *(sbp + 1); color[5] = *(sbp + 2);
sbp = (unsigned short*)src_line[2];
color[6] = *sbp; color[7] = color[6]; color[8] = *(sbp + 1); color[9] = *(sbp + 2);
sbp = (unsigned short*)src_line[3];
color[10] = *sbp; color[11] = *(sbp + 1);
}
else {
unsigned long *lbp;
lbp = (unsigned long*)src_line[0];
color[0] = *lbp; color[1] = color[0]; color[2] = color[0]; color[3] = color[0];
color[4] = *(lbp + 1); color[5] = *(lbp + 2);
lbp = (unsigned long*)src_line[2];
color[6] = *lbp; color[7] = color[6]; color[8] = *(lbp + 1); color[9] = *(lbp + 2);
lbp = (unsigned long*)src_line[3];
color[10] = *lbp; color[11] = *(lbp + 1);
}
for (y = 0; y < height; y++) {
/* Todo: x = width - 2, x = width - 1 */
for (x = 0; x < width; x++) {
unsigned long product1a, product1b, product2a, product2b;
//--------------------------------------- B1 B2 0 1
// 4 5 6 S2 -> 2 3 4 5
// 1 2 3 S1 6 7 8 9
// A1 A2 10 11
if (color[7] == color[4] && color[3] != color[8]) {
product1b = product2a = color[7];
if ((color[6] == color[7]) || (color[4] == color[1]))
product1a = INTERPOLATE(color[7], INTERPOLATE(color[7], color[3]));
else
product1a = INTERPOLATE(color[3], color[4]);
if ((color[4] == color[5]) || (color[7] == color[10]))
product2b = INTERPOLATE(color[7], INTERPOLATE(color[7], color[8]));
else
product2b = INTERPOLATE(color[7], color[8]);
}
else if (color[3] == color[8] && color[7] != color[4]) {
product2b = product1a = color[3];
if ((color[0] == color[3]) || (color[5] == color[9]))
product1b = INTERPOLATE(color[3], INTERPOLATE(color[3], color[4]));
else
product1b = INTERPOLATE(color[3], color[1]);
if ((color[8] == color[11]) || (color[2] == color[3]))
product2a = INTERPOLATE(color[3], INTERPOLATE(color[3], color[2]));
else
product2a = INTERPOLATE(color[7], color[8]);
}
else if (color[3] == color[8] && color[7] == color[4]) {
register int r = 0;
r += GET_RESULT(color[4], color[3], color[6], color[10]);
r += GET_RESULT(color[4], color[3], color[2], color[0]);
r += GET_RESULT(color[4], color[3], color[11], color[9]);
r += GET_RESULT(color[4], color[3], color[1], color[5]);
if (r > 0) {
product1b = product2a = color[7];
product1a = product2b = INTERPOLATE(color[3], color[4]);
}
else if (r < 0) {
product2b = product1a = color[3];
product1b = product2a = INTERPOLATE(color[3], color[4]);
}
else {
product2b = product1a = color[3];
product1b = product2a = color[7];
}
}
else {
product2b = product1a = INTERPOLATE(color[7], color[4]);
product2b = Q_INTERPOLATE(color[8], color[8], color[8], product2b);
product1a = Q_INTERPOLATE(color[3], color[3], color[3], product1a);
product2a = product1b = INTERPOLATE(color[3], color[8]);
product2a = Q_INTERPOLATE(color[7], color[7], color[7], product2a);
product1b = Q_INTERPOLATE(color[4], color[4], color[4], product1b);
}
if (PixelsPerMask == 2) {
*((unsigned long *) (&dst_line[0][x * 4])) = product1a | (product1b << 16);
*((unsigned long *) (&dst_line[1][x * 4])) = product2a | (product2b << 16);
}
else {
*((unsigned long *) (&dst_line[0][x * 8])) = product1a;
*((unsigned long *) (&dst_line[0][x * 8 + 4])) = product1b;
*((unsigned long *) (&dst_line[1][x * 8])) = product2a;
*((unsigned long *) (&dst_line[1][x * 8 + 4])) = product2b;
}
/* Move color matrix forward */
color[0] = color[1];
color[2] = color[3]; color[3] = color[4]; color[4] = color[5];
color[6] = color[7]; color[7] = color[8]; color[8] = color[9];
color[10] = color[11];
if (x < width - 2) {
x += 2;
if (PixelsPerMask == 2) {
color[1] = *(((unsigned short*)src_line[0]) + x);
if (x < width) {
color[5] = *(((unsigned short*)src_line[1]) + x + 1);
color[9] = *(((unsigned short*)src_line[2]) + x + 1);
}
color[11] = *(((unsigned short*)src_line[3]) + x);
}
else {
color[1] = *(((unsigned long*)src_line[0]) + x);
if (x < width) {
color[5] = *(((unsigned long*)src_line[1]) + x + 1);
color[9] = *(((unsigned long*)src_line[2]) + x + 1);
}
color[11] = *(((unsigned long*)src_line[3]) + x);
}
x -= 2;
}
}
/* We're done with one line, so we shift the source lines up */
src_line[0] = src_line[1];
src_line[1] = src_line[2];
src_line[2] = src_line[3];
/* Read next line */
if (y + 3 >= height)
src_line[3] = src_line[2];
else
src_line[3] = src_line[2] + src_pitch;
/* Then shift the color matrix up */
if (PixelsPerMask == 2) {
unsigned short *sbp;
sbp = (unsigned short*)src_line[0];
color[0] = *sbp; color[1] = *(sbp + 1);
sbp = (unsigned short*)src_line[1];
color[2] = *sbp; color[3] = color[2]; color[4] = *(sbp + 1); color[5] = *(sbp + 2);
sbp = (unsigned short*)src_line[2];
color[6] = *sbp; color[7] = color[6]; color[8] = *(sbp + 1); color[9] = *(sbp + 2);
sbp = (unsigned short*)src_line[3];
color[10] = *sbp; color[11] = *(sbp + 1);
}
else {
unsigned long *lbp;
lbp = (unsigned long*)src_line[0];
color[0] = *lbp; color[1] = *(lbp + 1);
lbp = (unsigned long*)src_line[1];
color[2] = *lbp; color[3] = color[2]; color[4] = *(lbp + 1); color[5] = *(lbp + 2);
lbp = (unsigned long*)src_line[2];
color[6] = *lbp; color[7] = color[6]; color[8] = *(lbp + 1); color[9] = *(lbp + 2);
lbp = (unsigned long*)src_line[3];
color[10] = *lbp; color[11] = *(lbp + 1);
}
/* Write the 2 lines, if not already done so */
if (v) {
unsigned long dst_addr;
dst_addr = bmp_write_line(dest, y * 2);
for (j = 0; j < dest->w * sbpp; j += sizeof(long))
bmp_write32(dst_addr + j, *((unsigned long *) (dst_line[0] + j)));
dst_addr = bmp_write_line(dest, y * 2 + 1);
for (j = 0; j < dest->w * sbpp; j += sizeof(long))
bmp_write32(dst_addr + j, *((unsigned long *) (dst_line[1] + j)));
}
else {
if (y < height - 1) {
dst_line[0] = dest->line[y * 2 + 2];
dst_line[1] = dest->line[y * 2 + 3];
}
}
}
bmp_unwrite_line(dest);
if (v) {
delete dst_line[0];
delete dst_line[1];
}
delete[] src_line;
delete[] dst_line;
}
