--- /dev/null
+/* gfxdevice_bitmap.cc
+
+ Part of the swftools package.
+
+ Copyright (c) 2005 Matthias Kramm <kramm@quiss.org>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <memory.h>
+#include "../gfxdevice.h"
+#include "../gfxtools.h"
+#include "../png.h"
+#include "../mem.h"
+
+typedef unsigned int U32;
+typedef unsigned char U8;
+
+typedef gfxcolor_t RGBA;
+
+typedef struct _renderpoint
+{
+ float x;
+} renderpoint_t;
+
+typedef struct _renderline
+{
+ renderpoint_t*points;
+ int size;
+ int num;
+} renderline_t;
+
+typedef struct _internal_result {
+ int width;
+ int height;
+ RGBA* img;
+ struct _internal_result*next;
+} internal_result_t;
+
+typedef struct _clipbuffer {
+ U32*data;
+ int linesize;
+ struct _clipbuffer*prev;
+} clipbuffer_t;
+
+typedef struct _fontlist
+{
+ gfxfont_t*font;
+ char*id;
+ struct _fontlist*next;
+} fontlist_t;
+
+typedef struct _internal {
+ int width;
+ int height;
+ int width2;
+ int height2;
+ int multiply;
+ int antialize;
+ int ymin, ymax;
+
+ int depth;
+
+ RGBA* img;
+ int* zbuf;
+
+ gfxfont_t*font;
+ char*fontid;
+
+ fontlist_t* fontlist;
+
+ clipbuffer_t*clipbufs;
+ clipbuffer_t*clipbuf;
+
+ renderline_t*lines;
+
+ internal_result_t*results;
+ internal_result_t*result_next;
+} internal_t;
+
+typedef enum {filltype_solid,filltype_clip,filltype_bitmap} filltype_t;
+
+typedef struct _fillinfo {
+ filltype_t type; //0=solid,1=clip
+ gfxcolor_t*color;
+ gfximage_t*image;
+ gfxmatrix_t*matrix;
+ gfxcxform_t*cxform;
+ char clip;
+} fillinfo_t;
+
+
+static inline void add_pixel(internal_t*i, float x, int y)
+{
+ renderpoint_t p;
+
+ if(x >= i->width2 || y >= i->height2 || y<0) return;
+ p.x = x;
+ if(y<i->ymin) i->ymin = y;
+ if(y>i->ymax) i->ymax = y;
+
+ renderline_t*l = &i->lines[y];
+
+ if(l->num == l->size) {
+ l->size += 32;
+ l->points = (renderpoint_t*)rfx_realloc(l->points, l->size * sizeof(renderpoint_t));
+ }
+ l->points[l->num] = p;
+ l->num++;
+}
+
+/* set this to 0.777777 or something if the "both fillstyles set while not inside shape"
+ problem appears to often */
+#define CUT 0.5
+
+#define INT(x) ((int)((x)+16)-16)
+
+static void add_line(gfxdevice_t*dev , double x1, double y1, double x2, double y2)
+{
+ internal_t*i = (internal_t*)dev->internal;
+ double diffx, diffy;
+ double ny1, ny2, stepx;
+/* if(DEBUG&4) {
+ int l = sqrt((x2-x1)*(x2-x1) + (y2-y1)*(y2-y1));
+ printf(" l[%d - %.2f/%.2f -> %.2f/%.2f]\n", l, x1/20.0, y1/20.0, x2/20.0, y2/20.0);
+ }*/
+
+ if(y2 < y1) {
+ double x;
+ double y;
+ x = x1;x1 = x2;x2=x;
+ y = y1;y1 = y2;y2=y;
+ }
+
+ diffx = x2 - x1;
+ diffy = y2 - y1;
+
+ ny1 = INT(y1)+CUT;
+ ny2 = INT(y2)+CUT;
+
+ if(ny1 < y1) {
+ ny1 = INT(y1) + 1.0 + CUT;
+ }
+ if(ny2 >= y2) {
+ ny2 = INT(y2) - 1.0 + CUT;
+ }
+
+ if(ny1 > ny2)
+ return;
+
+ stepx = diffx/diffy;
+ x1 = x1 + (ny1-y1)*stepx;
+ x2 = x2 + (ny2-y2)*stepx;
+
+ {
+ int posy=INT(ny1);
+ int endy=INT(ny2);
+ double posx=0;
+ double startx = x1;
+
+ while(posy<=endy) {
+ float xx = (float)(startx + posx);
+ add_pixel(i, xx ,posy);
+ posx+=stepx;
+ posy++;
+ }
+ }
+}
+#define PI 3.14159265358979
+static void add_solidline(gfxdevice_t*dev, double x1, double y1, double x2, double y2, double width)
+{
+ internal_t*i = (internal_t*)dev->internal;
+
+ double dx = x2-x1;
+ double dy = y2-y1;
+ double sd;
+ double d;
+
+ int t;
+ int segments;
+ double lastx,lasty;
+ double vx,vy;
+ double xx,yy;
+
+ /* Make sure the line is always at least one pixel wide */
+#ifdef LINEMODE1
+ /* That's what Macromedia's Player does at least at zoom level >= 1. */
+ width += 1.0;
+#else
+ /* That's what Macromedia's Player seems to do at zoom level 0. */
+ /* TODO: needs testing */
+
+ /* TODO: how does this interact with scaling? */
+ if(width * i->multiply < 1.0)
+ width = 1.0 / i->multiply;
+#endif
+
+ sd = (double)dx*(double)dx+(double)dy*(double)dy;
+ d = sqrt(sd);
+
+ if(!dx && !dy) {
+ vx = 1;
+ vy = 0;
+ } else {
+ vx = ( dy/d);
+ vy = (-dx/d);
+ }
+
+ segments = width/2;
+ if(segments < 2)
+ segments = 2;
+
+ segments = 8;
+
+ vx=vx*width*0.5;
+ vy=vy*width*0.5;
+
+ xx = x2+vx;
+ yy = y2+vy;
+ add_line(dev, x1+vx, y1+vy, xx, yy);
+ lastx = xx;
+ lasty = yy;
+ for(t=1;t<segments;t++) {
+ double s = sin(t*PI/segments);
+ double c = cos(t*PI/segments);
+ xx = (x2 + vx*c - vy*s);
+ yy = (y2 + vx*s + vy*c);
+ add_line(dev, lastx, lasty, xx, yy);
+ lastx = xx;
+ lasty = yy;
+ }
+
+ xx = (x2-vx);
+ yy = (y2-vy);
+ add_line(dev, lastx, lasty, xx, yy);
+ lastx = xx;
+ lasty = yy;
+ xx = (x1-vx);
+ yy = (y1-vy);
+ add_line(dev, lastx, lasty, xx, yy);
+ lastx = xx;
+ lasty = yy;
+ for(t=1;t<segments;t++) {
+ double s = sin(t*PI/segments);
+ double c = cos(t*PI/segments);
+ xx = (x1 - vx*c + vy*s);
+ yy = (y1 - vx*s - vy*c);
+ add_line(dev, lastx, lasty, xx, yy);
+ lastx = xx;
+ lasty = yy;
+ }
+ add_line(dev, lastx, lasty, (x1+vx), (y1+vy));
+}
+
+static int compare_renderpoints(const void * _a, const void * _b)
+{
+ renderpoint_t*a = (renderpoint_t*)_a;
+ renderpoint_t*b = (renderpoint_t*)_b;
+ if(a->x < b->x) return -1;
+ if(a->x > b->x) return 1;
+ return 0;
+}
+
+static void fill_line_solid(RGBA*line, U32*z, int y, int x1, int x2, RGBA col)
+{
+ int x = x1;
+
+ U32 bit = 1<<(x1&31);
+ int bitpos = (x1/32);
+
+ if(col.a!=255) {
+ int ainv = 255-col.a;
+ col.r = (col.r*col.a)>>8;
+ col.g = (col.g*col.a)>>8;
+ col.b = (col.b*col.a)>>8;
+ col.a = 255;
+ do {
+ if(z[bitpos]&bit) {
+ line[x].r = ((line[x].r*ainv)>>8)+col.r;
+ line[x].g = ((line[x].g*ainv)>>8)+col.g;
+ line[x].b = ((line[x].b*ainv)>>8)+col.b;
+ line[x].a = 255;
+ }
+ bit <<= 1;
+ if(!bit) {
+ bit = 1;bitpos++;
+ }
+ } while(++x<x2);
+ } else {
+ do {
+ if(z[bitpos]&bit) {
+ line[x] = col;
+ }
+ bit <<= 1;
+ if(!bit) {
+ bit = 1;bitpos++;
+ }
+ } while(++x<x2);
+ }
+}
+
+static void fill_line_bitmap(RGBA*line, U32*z, int y, int x1, int x2, fillinfo_t*info)
+{
+ int x = x1;
+
+ gfxmatrix_t*m = info->matrix;
+ gfximage_t*b = info->image;
+
+ double det = m->m00*m->m11 - m->m01*m->m10;
+ if(fabs(det) < 0.0005) {
+ /* x direction equals y direction- the image is invisible */
+ return;
+ }
+ det = 1.0/det;
+
+ if(!b->width || !b->height) {
+ gfxcolor_t red = {255,255,0,0};
+ fill_line_solid(line, z, y, x1, x2, red);
+ return;
+ }
+
+ U32 bit = 1<<(x1&31);
+ int bitpos = (x1/32);
+
+ do {
+ if(z[bitpos]&bit) {
+ RGBA col;
+ int xx = (int)(( (x - m->tx) * m->m11 - (y - m->ty) * m->m10)*det);
+ int yy = (int)((- (x - m->tx) * m->m01 + (y - m->ty) * m->m00)*det);
+ int ainv;
+
+ if(info->clip) {
+ if(xx<0) xx=0;
+ if(xx>=b->width) xx = b->width-1;
+ if(yy<0) yy=0;
+ if(yy>=b->height) yy = b->height-1;
+ } else {
+ xx %= b->width;
+ yy %= b->height;
+ if(xx<0) xx += b->width;
+ if(yy<0) yy += b->height;
+ }
+
+ col = b->data[yy*b->width+xx];
+ ainv = 255-col.a;
+
+ line[x].r = ((line[x].r*ainv)>>8)+col.r;
+ line[x].g = ((line[x].g*ainv)>>8)+col.g;
+ line[x].b = ((line[x].b*ainv)>>8)+col.b;
+ line[x].a = 255;
+ }
+ bit <<= 1;
+ if(!bit) {
+ bit = 1;bitpos++;
+ }
+ } while(++x<x2);
+}
+
+static void fill_line_clip(RGBA*line, U32*z, int y, int x1, int x2)
+{
+ int x = x1;
+
+ U32 bit = 1<<(x1&31);
+ int bitpos = (x1/32);
+
+ do {
+ z[bitpos]|=bit;
+ bit <<= 1;
+ if(!bit) {
+ bit = 1;bitpos++;
+ }
+ } while(++x<x2);
+}
+
+void fill_line(gfxdevice_t*dev, RGBA*line, U32*zline, int y, int startx, int endx, fillinfo_t*fill)
+{
+ if(fill->type == filltype_solid)
+ fill_line_solid(line, zline, y, startx, endx, *fill->color);
+ else if(fill->type == filltype_clip)
+ fill_line_clip(line, zline, y, startx, endx);
+ else if(fill->type == filltype_bitmap)
+ fill_line_bitmap(line, zline, y, startx, endx, fill);
+ // etc.
+}
+
+void fill(gfxdevice_t*dev, fillinfo_t*fill)
+{
+ internal_t*i = (internal_t*)dev->internal;
+ int y;
+ U32 clipdepth = 0;
+ for(y=i->ymin;y<=i->ymax;y++) {
+ renderpoint_t*points = i->lines[y].points;
+ RGBA*line = &i->img[i->width2*y];
+ int*zline = &i->zbuf[i->width2*y];
+ int n;
+ int num = i->lines[y].num;
+ int lastx;
+ qsort(points, num, sizeof(renderpoint_t), compare_renderpoints);
+
+ for(n=0;n<num;n++) {
+ renderpoint_t*p = &points[n];
+ renderpoint_t*next= n<num-1?&points[n+1]:0;
+ int startx = p->x;
+ int endx = next?next->x:i->width2;
+ if(endx > i->width2)
+ endx = i->width2;
+ if(startx < 0)
+ startx = 0;
+ if(endx < 0)
+ endx = 0;
+
+ if(!(n&1))
+ fill_line(dev, line, zline, y, startx, endx, fill);
+
+ lastx = endx;
+ if(endx == i->width2)
+ break;
+ }
+ i->lines[y].num = 0;
+ }
+}
+
+void fill_solid(gfxdevice_t*dev, gfxcolor_t* color)
+{
+ fillinfo_t info;
+ info.type = filltype_solid;
+ info.color = color;
+ fill(dev, &info);
+}
+
+int render_setparameter(struct _gfxdevice*dev, const char*key, const char*value)
+{
+ internal_t*i = (internal_t*)dev->internal;
+ if(!strcmp(key, "antialize")) {
+ i->antialize = atoi(value);
+ } else if(!strcmp(key, "multiply")) {
+ i->multiply = atoi(value);
+ }
+ return 0;
+}
+
+void newclip(struct _gfxdevice*dev)
+{
+ internal_t*i = (internal_t*)dev->internal;
+
+ clipbuffer_t*c = rfx_calloc(sizeof(clipbuffer_t));
+ c->linesize = ((i->width2+31) / 32);
+ c->data = rfx_calloc(c->linesize * i->height2);
+
+ if(!i->clipbufs) {
+ i->clipbufs = i->clipbuf = c;
+ } else {
+ clipbuffer_t*old = i->clipbuf;
+ i->clipbuf = c;
+ i->clipbuf->prev = old;
+ }
+}
+
+void endclip(struct _gfxdevice*dev)
+{
+ internal_t*i = (internal_t*)dev->internal;
+
+ if(!i->clipbufs) {
+ fprintf(stderr, "endclip without any active clip buffers");
+ return;
+ }
+
+ clipbuffer_t*old = i->clipbuf;
+
+ if(i->clipbuf == i->clipbufs)
+ i->clipbufs = 0;
+
+ i->clipbuf = i->clipbuf->prev;
+
+ old->prev = 0;
+ free(old->data);old->data = 0;
+ free(old);
+}
+
+void render_stroke(struct _gfxdevice*dev, gfxline_t*line, gfxcoord_t width, gfxcolor_t*color, gfx_capType cap_style, gfx_joinType joint_style, gfxcoord_t miterLimit)
+{
+ internal_t*i = (internal_t*)dev->internal;
+ double x,y;
+
+ if(cap_style != gfx_capRound || joint_style != gfx_joinRound) {
+ fprintf(stderr, "Warning: cap/joint style != round not yet supported\n");
+ }
+
+ while(line) {
+ int x1,y1,x2,y2,x3,y3;
+
+ if(line->type == gfx_moveTo) {
+ } else if(line->type == gfx_lineTo) {
+ double x1=x,y1=y;
+ double x3=line->x,y3=line->y;
+ add_solidline(dev, x1, y1, x3, y3, width * i->multiply);
+ fill_solid(dev, color);
+ } else if(line->type == gfx_splineTo) {
+ int c,t,parts,qparts;
+ double xx,yy;
+
+ double x1=x,y1=y;
+ double x2=line->sx,y2=line->sy;
+ double x3=line->x,y3=line->y;
+
+ c = abs(x3-2*x2+x1) + abs(y3-2*y2+y1);
+ xx=x1;
+ yy=y1;
+
+ parts = (int)(sqrt(c)/3);
+ if(!parts) parts = 1;
+
+ for(t=1;t<=parts;t++) {
+ double nx = (double)(t*t*x3 + 2*t*(parts-t)*x2 + (parts-t)*(parts-t)*x1)/(double)(parts*parts);
+ double ny = (double)(t*t*y3 + 2*t*(parts-t)*y2 + (parts-t)*(parts-t)*y1)/(double)(parts*parts);
+
+ add_solidline(dev, xx, yy, nx, ny, width * i->multiply);
+ fill_solid(dev, color);
+ xx = nx;
+ yy = ny;
+ }
+ }
+ x = line->x;
+ y = line->y;
+ line = line->next;
+ }
+}
+
+static void draw_line(gfxdevice_t*dev, gfxline_t*line)
+{
+ internal_t*i = (internal_t*)dev->internal;
+ double x,y;
+
+ while(line)
+ {
+ int x1,y1,x2,y2,x3,y3;
+
+ if(line->type == gfx_moveTo) {
+ } else if(line->type == gfx_lineTo) {
+ double x1=x,y1=y;
+ double x3=line->x,y3=line->y;
+
+ add_line(dev, x1, y1, x3, y3);
+ } else if(line->type == gfx_splineTo) {
+ int c,t,parts,qparts;
+ double xx,yy;
+
+ double x1=x,y1=y;
+ double x2=line->sx,y2=line->sy;
+ double x3=line->x,y3=line->y;
+
+ c = abs(x3-2*x2+x1) + abs(y3-2*y2+y1);
+ xx=x1;
+ yy=y1;
+
+ parts = (int)(sqrt(c)/3);
+ if(!parts) parts = 1;
+
+ for(t=1;t<=parts;t++) {
+ double nx = (double)(t*t*x3 + 2*t*(parts-t)*x2 + (parts-t)*(parts-t)*x1)/(double)(parts*parts);
+ double ny = (double)(t*t*y3 + 2*t*(parts-t)*y2 + (parts-t)*(parts-t)*y1)/(double)(parts*parts);
+
+ add_line(dev, xx, yy, nx, ny);
+ xx = nx;
+ yy = ny;
+ }
+ }
+ x = line->x;
+ y = line->y;
+ line = line->next;
+ }
+}
+
+void render_startclip(struct _gfxdevice*dev, gfxline_t*line)
+{
+ internal_t*i = (internal_t*)dev->internal;
+ fillinfo_t info;
+ newclip(dev);
+ info.type = filltype_clip;
+ draw_line(dev, line);
+ fill(dev, &info);
+}
+
+void render_endclip(struct _gfxdevice*dev)
+{
+ internal_t*i = (internal_t*)dev->internal;
+ endclip(dev);
+}
+
+void render_fill(struct _gfxdevice*dev, gfxline_t*line, gfxcolor_t*color)
+{
+ internal_t*i = (internal_t*)dev->internal;
+
+ draw_line(dev, line);
+ fill_solid(dev, color);
+}
+
+void render_fillbitmap(struct _gfxdevice*dev, gfxline_t*line, gfximage_t*img, gfxmatrix_t*matrix, gfxcxform_t*cxform)
+{
+ internal_t*i = (internal_t*)dev->internal;
+
+ gfxcolor_t black = {255,0,0,0};
+
+ draw_line(dev, line);
+
+ fillinfo_t info;
+ info.type = filltype_bitmap;
+ info.image = img;
+ info.matrix = matrix;
+ info.cxform = cxform;
+ fill(dev, &info);
+}
+
+void render_fillgradient(struct _gfxdevice*dev, gfxline_t*line, gfxgradient_t*gradient, gfxgradienttype_t type, gfxmatrix_t*matrix)
+{
+ internal_t*i = (internal_t*)dev->internal;
+
+ gfxcolor_t black = {255,0,0,0};
+
+ draw_line(dev, line);
+ fill_solid(dev, &black);
+}
+
+void render_addfont(struct _gfxdevice*dev, char*fontid, gfxfont_t*font)
+{
+ internal_t*i = (internal_t*)dev->internal;
+
+ fontlist_t*last=0,*l = i->fontlist;
+ while(l) {
+ last = l;
+ if(!strcmp((char*)l->id, fontid)) {
+ return; // we already know this font
+ }
+ l = l->next;
+ }
+ l = (fontlist_t*)rfx_calloc(sizeof(fontlist_t));
+ l->font = font;
+ l->next = 0;
+ if(last) {
+ last->next = l;
+ } else {
+ i->fontlist = l;
+ }
+}
+
+void render_drawchar(struct _gfxdevice*dev, char*fontid, int glyphnr, gfxcolor_t*color, gfxmatrix_t*matrix)
+{
+ internal_t*i = (internal_t*)dev->internal;
+
+ if(i->font && i->fontid && !strcmp(fontid, i->fontid)) {
+ // current font is correct
+ } else {
+ fontlist_t*l = i->fontlist;
+ i->font = 0;
+ i->fontid = 0;
+ while(l) {
+ if(!strcmp((char*)l->id, i->fontid)) {
+ i->font = l->font;
+ i->fontid = l->id;
+ break;
+ }
+ l = l->next;
+ }
+ if(i->font == 0) {
+ fprintf(stderr, "Unknown font id: %s", fontid);
+ return;
+ }
+ }
+
+ gfxglyph_t*glyph = &i->font->glyphs[glyphnr];
+
+ gfxline_t*line2 = gfxline_clone(glyph->line);
+ gfxline_transform(line2, matrix);
+ draw_line(dev, line2);
+ fill_solid(dev, color);
+ gfxline_free(line2);
+
+ return;
+}
+
+void render_result_write(gfxresult_t*r, int filedesc)
+{
+ internal_result_t*i= (internal_result_t*)r->internal;
+}
+int render_result_save(gfxresult_t*r, char*filename)
+{
+ internal_result_t*i= (internal_result_t*)r->internal;
+ if(i->next) {
+ int nr=0;
+ while(i->next) {
+ writePNG(filename, (unsigned char*)i->img, i->width, i->height);
+ nr++;
+ }
+ } else {
+ writePNG(filename, (unsigned char*)i->img, i->width, i->height);
+ }
+}
+void*render_result_get(gfxresult_t*r, char*name)
+{
+ internal_result_t*i= (internal_result_t*)r->internal;
+ return 0;
+}
+void render_result_destroy(gfxresult_t*r)
+{
+ internal_result_t*i= (internal_result_t*)r->internal;
+ free(i); r->internal = 0;
+ free(r);
+}
+
+gfxresult_t* render_finish(struct _gfxdevice*dev)
+{
+ internal_t*i = (internal_t*)dev->internal;
+
+ gfxresult_t* res = (gfxresult_t*)rfx_calloc(sizeof(gfxresult_t));
+
+ res->internal = i->results;i->results = 0;
+ res->write = render_result_write;
+ res->save = render_result_save;
+ res->get = render_result_get;
+ res->destroy = render_result_destroy;
+
+ free(dev->internal); dev->internal = 0; i = 0;
+ return res;
+}
+
+void render_startpage(struct _gfxdevice*dev, int width, int height)
+{
+ internal_t*i = (internal_t*)dev->internal;
+ int y;
+
+ if(i->width2 || i->height2) {
+ fprintf(stderr, "Error: startpage() called twice (no endpage()?)\n");
+ exit(1);
+ }
+
+ i->width = width;
+ i->height = height;
+ i->width2 = width*i->antialize*i->multiply;
+ i->height2 = height*i->antialize*i->multiply;
+
+ i->lines = (renderline_t*)rfx_alloc(i->height2*sizeof(renderline_t));
+ for(y=0;y<i->height2;y++) {
+ memset(&i->lines[y], 0, sizeof(renderline_t));
+ i->lines[y].points = 0;
+ i->lines[y].num = 0;
+ }
+ i->zbuf = (int*)rfx_calloc(sizeof(int)*i->width2*i->height2);
+ i->img = (RGBA*)rfx_calloc(sizeof(RGBA)*i->width2*i->height2);
+ i->ymin = 0x7fffffff;
+ i->ymax = -0x80000000;
+
+ newclip(dev);
+}
+
+void render_endpage(struct _gfxdevice*dev)
+{
+ internal_t*i = (internal_t*)dev->internal;
+
+ if(!i->width2 || !i->height2) {
+ fprintf(stderr, "Error: endpage() called without corresponding startpage()\n");
+ exit(1);
+ }
+
+ endclip(dev);
+ while(i->clipbufs) {
+ fprintf(stderr, "Warning: unclosed clip while processing endpage()\n");
+ endclip(dev);
+ }
+
+ internal_result_t*ir= (internal_result_t*)rfx_calloc(sizeof(internal_result_t));
+ ir->width = i->width;
+ ir->height = i->height;
+ ir->img = i->img; i->img = 0;
+ ir->next = 0;
+ if(i->result_next) {
+ i->result_next->next = ir;
+ }
+ if(!i->results) {
+ i->results = ir;
+ }
+ i->result_next = ir;
+
+ rfx_free(i->lines);i->lines=0; //FIXME
+ rfx_free(i->zbuf);i->zbuf = 0;
+ if(i->img) {rfx_free(i->img);i->img = 0;}
+
+ i->width2 = 0;
+ i->height2 = 0;
+}
+
+void render_drawlink(struct _gfxdevice*dev, gfxline_t*line, char*action)
+{
+ /* not supported for this output device */
+}
+
+void gfxdevice_render_init(gfxdevice_t*dev)
+{
+ internal_t*i = (internal_t*)rfx_calloc(sizeof(internal_t));
+ int y;
+ memset(dev, 0, sizeof(gfxdevice_t));
+ dev->internal = i;
+
+ i->width = 0;
+ i->width2 = 0;
+ i->height = 0;
+ i->height2 = 0;
+ i->antialize = 1;
+ i->multiply = 1;
+
+ dev->setparameter = render_setparameter;
+ dev->startpage = render_startpage;
+ dev->startclip = render_startclip;
+ dev->endclip = render_endclip;
+ dev->stroke = render_stroke;
+ dev->fill = render_fill;
+ dev->fillbitmap = render_fillbitmap;
+ dev->fillgradient = render_fillgradient;
+ dev->addfont = render_addfont;
+ dev->drawchar = render_drawchar;
+ dev->drawlink = render_drawlink;
+ dev->endpage = render_endpage;
+ dev->finish = render_finish;
+}
+