diff options
Diffstat (limited to 'fitzdraw/pixmap.c')
| -rw-r--r-- | fitzdraw/pixmap.c | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/fitzdraw/pixmap.c b/fitzdraw/pixmap.c deleted file mode 100644 index 539234f6..00000000 --- a/fitzdraw/pixmap.c +++ /dev/null @@ -1,176 +0,0 @@ -#include "fitz.h" - -fz_pixmap * -fz_newpixmap(fz_colorspace *colorspace, int x, int y, int w, int h) -{ - fz_pixmap *pix; - - pix = fz_malloc(sizeof(fz_pixmap)); - pix->x = x; - pix->y = y; - pix->w = w; - pix->h = h; - pix->colorspace = nil; - pix->n = 1; - - if (colorspace) - { - pix->colorspace = fz_keepcolorspace(colorspace); - pix->n = 1 + colorspace->n; - } - - pix->samples = fz_malloc(pix->w * pix->h * pix->n); - - return pix; -} - -fz_pixmap * -fz_newpixmapwithrect(fz_colorspace *colorspace, fz_irect r) -{ - return fz_newpixmap(colorspace, r.x0, r.y0, r.x1 - r.x0, r.y1 - r.y0); -} - -void -fz_freepixmap(fz_pixmap *pix) -{ - if (pix->colorspace) - fz_dropcolorspace(pix->colorspace); - fz_free(pix->samples); - fz_free(pix); -} - -void -fz_clearpixmap(fz_pixmap *pix, unsigned char value) -{ - memset(pix->samples, value, pix->w * pix->h * pix->n); -} - -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; - - fprintf(stderr, "saving debug pixmap %s - %d\n", prefix, counter); - - 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); -} - |