Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include <stdio.h>
+#include <stdlib.h>
#include <memory.h>
#include <math.h>
#include <assert.h>
#include "gfxtools.h"
+#include "gfxfont.h"
typedef struct _linedraw_internal
{
return;
}
+ l->sx = l->sy = 0;
d->x = l->x = x;
d->y = l->y = y;
l->next = 0;
dest->tx = -(dest->m00 * m->tx + dest->m10 * m->ty);
dest->ty = -(dest->m01 * m->tx + dest->m11 * m->ty);
}
+void gfxmatrix_unit(gfxmatrix_t*m)
+{
+ memset(m, 0, sizeof(gfxmatrix_t));
+ m->m00 = 1.0;
+ m->m11 = 1.0;
+}
+void gfxmatrix_multiply(gfxmatrix_t*m1, gfxmatrix_t*m2, gfxmatrix_t*dest)
+{
+ dest->m00 = m1->m00*m2->m00 + m1->m10*m2->m01;
+ dest->m01 = m1->m01*m2->m00 + m1->m11*m2->m01;
+ dest->m10 = m1->m00*m2->m10 + m1->m10*m2->m11;
+ dest->m11 = m1->m01*m2->m10 + m1->m11*m2->m11;
+ dest->tx = m1->m00*m2->tx + m1->m10*m2->ty + m1->tx;
+ dest->ty = m1->m01*m2->tx + m1->m11*m2->ty + m1->ty;
+}
gfxfontlist_t* gfxfontlist_create()
{
return l;
}
}
+void gfxfontlist_free(gfxfontlist_t*list, char deletefonts)
+{
+ gfxfontlist_t*l = list;
+ while(l) {
+ gfxfontlist_t*next = l->next;
+ if(l->font) {
+ gfxfont_free(l->font);l->font;
+ }
+ l->next = 0;
+ free(l);
+ l = next;
+ }
+}
gfxline_t*gfxline_makerectangle(int x1,int y1,int x2, int y2)
{
line[4].x = x1;line[4].y = y1;line[4].type = gfx_lineTo;
return line;
}
+
+void gfximage_transform(gfximage_t*img, gfxcxform_t*cxform)
+{
+ int t;
+ int size = img->width*img->height;
+
+ int rr,rg,rb,ra, tr;
+ int gr,gg,gb,ga, tg;
+ int br,bg,bb,ba, tb;
+ int ar,ag,ab,aa, ta;
+ rr = (int)(cxform->rr*256);gr = (int)(cxform->gr*256);
+ rg = (int)(cxform->rg*256);gg = (int)(cxform->gg*256);
+ rb = (int)(cxform->rb*256);gb = (int)(cxform->gb*256);
+ ra = (int)(cxform->ra*256);ga = (int)(cxform->ga*256);
+ br = (int)(cxform->br*256);ar = (int)(cxform->ar*256);tr = (int)(cxform->tr*256);
+ bg = (int)(cxform->bg*256);ag = (int)(cxform->ag*256);tg = (int)(cxform->tg*256);
+ bb = (int)(cxform->bb*256);ab = (int)(cxform->ab*256);tb = (int)(cxform->tb*256);
+ ba = (int)(cxform->ba*256);aa = (int)(cxform->aa*256);ta = (int)(cxform->ta*256);
+
+ for(t=0;t<size;t++) {
+ gfxcolor_t*pixel = &img->data[t];
+ unsigned char r = (pixel->r * rr + pixel->g * rg + pixel->b * rb + pixel->a * ra + tr) / 256;
+ unsigned char g = (pixel->r * gr + pixel->g * gg + pixel->b * gb + pixel->a * ga + tg) / 256;
+ unsigned char b = (pixel->r * br + pixel->g * bg + pixel->b * bb + pixel->a * ba + tb) / 256;
+ unsigned char a = (pixel->r * ar + pixel->g * ag + pixel->b * ab + pixel->a * aa + ta) / 256;
+ pixel->r = r;
+ pixel->g = g;
+ pixel->b = b;
+ pixel->a = a;
+ }
+}