diff options
Diffstat (limited to 'raster/pixmap.c')
| -rw-r--r-- | raster/pixmap.c | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/raster/pixmap.c b/raster/pixmap.c deleted file mode 100644 index 077009f8..00000000 --- a/raster/pixmap.c +++ /dev/null @@ -1,188 +0,0 @@ -#include "fitz-base.h" -#include "fitz-world.h" -#include "fitz-draw.h" - -fz_error * -fz_newpixmap(fz_pixmap **pixp, int x, int y, int w, int h, int n) -{ - fz_pixmap *pix; - - pix = *pixp = fz_malloc(sizeof(fz_pixmap)); - if (!pix) - return fz_outofmem; - - pix->x = x; - pix->y = y; - pix->w = w; - pix->h = h; - pix->n = n; - - pix->samples = fz_malloc(pix->w * pix->h * pix->n * sizeof(fz_sample)); - if (!pix->samples) { - fz_free(pix); - return fz_outofmem; - } - - return fz_okay; -} - -fz_error * -fz_newpixmapwithrect(fz_pixmap **pixp, fz_irect r, int n) -{ - return fz_newpixmap(pixp, - r.x0, r.y0, - r.x1 - r.x0, - r.y1 - r.y0, n); -} - -fz_error * -fz_newpixmapcopy(fz_pixmap **pixp, fz_pixmap *old) -{ - fz_error *error; - error = fz_newpixmap(pixp, old->x, old->y, old->w, old->h, old->n); - if (error) - return error; - memcpy((*pixp)->samples, old->samples, old->w * old->h * old->n); - return fz_okay; -} - -void -fz_droppixmap(fz_pixmap *pix) -{ - fz_free(pix->samples); - fz_free(pix); -} - -void -fz_clearpixmap(fz_pixmap *pix) -{ - memset(pix->samples, 0, pix->w * pix->h * pix->n * sizeof(fz_sample)); -} - -void -fz_gammapixmap(fz_pixmap *pix, float gamma) -{ - unsigned char table[256]; - int n = pix->w * pix->h * pix->n; - unsigned char *p = pix->samples; - int i; - for (i = 0; i < 256; i++) - table[i] = CLAMP(pow(i / 255.0, gamma) * 255.0, 0, 255); - while (n--) - { - *p = table[*p]; - p++; - } -} - -void -fz_debugpixmap(fz_pixmap *pix, char *prefix) -{ - static int counter = 0; - char colorname[40]; - char alphaname[40]; - FILE *color = NULL; - FILE *alpha = NULL; - int x, y; - - sprintf(alphaname, "%s-%04d-alpha.pgm", prefix, counter); - alpha = fopen(alphaname, "wb"); - if (!alpha) - goto cleanup; - - if (pix->n > 1) - { - if (pix->n > 2) - sprintf(colorname, "%s-%04d-color.ppm", prefix, counter); - else - sprintf(colorname, "%s-%04d-color.pgm", prefix, counter); - - color = fopen(colorname, "wb"); - if (!color) - goto cleanup; - } - - counter ++; - - if (pix->n == 5) - { - fprintf(alpha, "P5\n%d %d\n255\n", pix->w, pix->h); - fprintf(color, "P6\n%d %d\n255\n", pix->w, pix->h); - - for (y = 0; y < pix->h; y++) - { - for (x = 0; x < pix->w; x++) - { - int a = pix->samples[x * pix->n + y * pix->w * pix->n + 0]; - int cc = pix->samples[x * pix->n + y * pix->w * pix->n + 1]; - int mm = pix->samples[x * pix->n + y * pix->w * pix->n + 2]; - int yy = pix->samples[x * pix->n + y * pix->w * pix->n + 3]; - int kk = pix->samples[x * pix->n + y * pix->w * pix->n + 4]; - int r = 255 - MIN(cc + kk, 255); - int g = 255 - MIN(mm + kk, 255); - int b = 255 - MIN(yy + kk, 255); - fputc(a, alpha); - fputc(r, color); - fputc(g, color); - fputc(b, color); - } - } - } - - else if (pix->n == 4) - { - fprintf(alpha, "P5\n%d %d\n255\n", pix->w, pix->h); - fprintf(color, "P6\n%d %d\n255\n", pix->w, pix->h); - - for (y = 0; y < pix->h; y++) - { - for (x = 0; x < pix->w; x++) - { - int a = pix->samples[x * pix->n + y * pix->w * pix->n + 0]; - int r = pix->samples[x * pix->n + y * pix->w * pix->n + 1]; - int g = pix->samples[x * pix->n + y * pix->w * pix->n + 2]; - int b = pix->samples[x * pix->n + y * pix->w * pix->n + 3]; - fputc(a, alpha); - fputc(r, color); - fputc(g, color); - fputc(b, color); - } - } - } - - else if (pix->n == 2) - { - fprintf(alpha, "P5\n%d %d\n255\n", pix->w, pix->h); - fprintf(color, "P5\n%d %d\n255\n", pix->w, pix->h); - - for (y = 0; y < pix->h; y++) - { - for (x = 0; x < pix->w; x++) - { - int a = pix->samples[x * pix->n + y * pix->w * pix->n + 0]; - int g = pix->samples[x * pix->n + y * pix->w * pix->n + 1]; - fputc(a, alpha); - fputc(g, color); - } - } - } - - else if (pix->n == 1) - { - fprintf(alpha, "P5\n%d %d\n255\n", pix->w, pix->h); - - for (y = 0; y < pix->h; y++) - { - for (x = 0; x < pix->w; x++) - { - int g = pix->samples[x * pix->n + y * pix->w * pix->n + 0]; - fputc(g, alpha); - } - } - } - -cleanup: - if (alpha) fclose(alpha); - if (color) fclose(color); -} - |