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-rw-r--r--src/svg/cdsvg.c1003
1 files changed, 1003 insertions, 0 deletions
diff --git a/src/svg/cdsvg.c b/src/svg/cdsvg.c
new file mode 100644
index 0000000..693791b
--- /dev/null
+++ b/src/svg/cdsvg.c
@@ -0,0 +1,1003 @@
+/** \file
+ * \brief SVG driver
+ *
+ * See Copyright Notice in cd.h
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <limits.h>
+#include <math.h>
+#include <locale.h>
+
+#include "cd.h"
+#include "wd.h"
+#include "cd_private.h"
+#include "cdsvg.h"
+
+#include "lodepng.h"
+#include "base64.h"
+
+typedef struct _cdCtxCanvas
+{
+ cdCanvas* canvas;
+ char* filename;
+
+ char bgColor[20];
+ char fgColor[20];
+ char linecap[10];
+ char linejoin[10];
+ char linestyle[20];
+ char poly[256];
+ char pattern[30];
+
+ char font_weight[15];
+ char font_style[15];
+ char font_decoration[15];
+ char font_family[256];
+ char font_size[10];
+
+ int backopacity;
+ int writemode;
+ int linewidth;
+ int hatchboxsize;
+
+ double xmatrix[6]; /* Transformation matrix that includes axis inversion */
+
+ /* private */
+ int last_fill_mode;
+
+ int last_clip_path;
+ int clip_off_control;
+ int clip_polygon;
+
+ int transform_control;
+
+ FILE* file;
+} cdCtxCanvas;
+
+static void cdkillcanvas(cdCtxCanvas* ctxcanvas)
+{
+ while(ctxcanvas->clip_off_control > 0)
+ {
+ fprintf(ctxcanvas->file, "</g>\n");
+ --ctxcanvas->clip_off_control;
+ }
+
+ if(ctxcanvas->transform_control)
+ fprintf(ctxcanvas->file, "</g>\n");
+
+ fprintf(ctxcanvas->file, "</g>\n");
+ fprintf(ctxcanvas->file, "</svg>\n");
+
+ free(ctxcanvas->filename);
+ fclose(ctxcanvas->file);
+
+ memset(ctxcanvas, 0, sizeof(cdCtxCanvas));
+ free(ctxcanvas);
+}
+
+static void setclip_area(cdCtxCanvas *ctxcanvas)
+{
+ cdRect* clip_rect = &ctxcanvas->canvas->clip_rect;
+
+ fprintf(ctxcanvas->file, "<clipPath id=\"clippath%d\">\n", ++ctxcanvas->last_clip_path);
+
+ if (ctxcanvas->canvas->use_matrix)
+ {
+ cdPoint poly[4];
+ poly[0].x = clip_rect->xmin; poly[0].y = clip_rect->ymin;
+ poly[1].x = clip_rect->xmin; poly[1].y = clip_rect->ymax;
+ poly[2].x = clip_rect->xmax; poly[2].y = clip_rect->ymax;
+ poly[3].x = clip_rect->xmax; poly[3].y = clip_rect->ymin;
+
+ sprintf(ctxcanvas->poly, "%g,%g", (double)poly[0].x, (double)poly[0].y);
+ sprintf(ctxcanvas->poly, "%s %g,%g", ctxcanvas->poly, (double)poly[1].x, (double)poly[1].y);
+ sprintf(ctxcanvas->poly, "%s %g,%g", ctxcanvas->poly, (double)poly[2].x, (double)poly[2].y);
+ sprintf(ctxcanvas->poly, "%s %g,%g", ctxcanvas->poly, (double)poly[3].x, (double)poly[3].y);
+
+ fprintf(ctxcanvas->file, "<polygon points=\"%s\" />\n", ctxcanvas->poly);
+ }
+ else
+ {
+ double x, y, w, h;
+ x = (double)clip_rect->xmin;
+ y = (double)clip_rect->ymin;
+ w = (double)(clip_rect->xmax - clip_rect->xmin + 1);
+ h = (double)(clip_rect->ymax - clip_rect->ymin + 1);
+
+ fprintf(ctxcanvas->file, "<rect x=\"%g\" y=\"%g\" width=\"%g\" height=\"%g\" />\n", x, y, w, h);
+ }
+
+ fprintf(ctxcanvas->file, "</clipPath>\n");
+
+ fprintf(ctxcanvas->file, "<g clip-path=\"url(#clippath%d)\">\n", ctxcanvas->last_clip_path);
+ ++ctxcanvas->clip_off_control;
+}
+
+int cdclip(cdCtxCanvas *ctxcanvas, int clip_mode)
+{
+ switch (clip_mode)
+ {
+ case CD_CLIPOFF:
+ if(ctxcanvas->clip_off_control > 0)
+ {
+ fprintf(ctxcanvas->file, "</g>\n");
+ --ctxcanvas->clip_off_control;
+ }
+ break;
+ case CD_CLIPAREA:
+ setclip_area(ctxcanvas);
+ break;
+ case CD_CLIPPOLYGON:
+ if (ctxcanvas->clip_polygon)
+ {
+ fprintf(ctxcanvas->file, "<g clip-path=\"url(#clippath%d)\">\n", ctxcanvas->last_clip_path);
+ ++ctxcanvas->clip_off_control;
+ }
+ break;
+ }
+ return clip_mode;
+}
+
+static void cdfcliparea(cdCtxCanvas *ctxcanvas, double xmin, double xmax, double ymin, double ymax)
+{
+ if (ctxcanvas->canvas->clip_mode == CD_CLIPAREA)
+ {
+ ctxcanvas->canvas->clip_rect.xmin = (int)xmin;
+ ctxcanvas->canvas->clip_rect.ymin = (int)ymin;
+ ctxcanvas->canvas->clip_rect.xmax = (int)xmax;
+ ctxcanvas->canvas->clip_rect.ymax = (int)ymax;
+ cdclip(ctxcanvas, CD_CLIPAREA);
+ }
+}
+
+static void cdcliparea(cdCtxCanvas *ctxcanvas, int xmin, int xmax, int ymin, int ymax)
+{
+ cdfcliparea(ctxcanvas, (double)xmin, (double)xmax, (double)ymin, (double)ymax);
+}
+
+static void cdtransform(cdCtxCanvas *ctxcanvas, const double* matrix)
+{
+ if (matrix)
+ {
+ /* Matrix identity */
+ ctxcanvas->xmatrix[0] = 1;
+ ctxcanvas->xmatrix[1] = 0;
+ ctxcanvas->xmatrix[2] = 0;
+ ctxcanvas->xmatrix[3] = -1;
+ ctxcanvas->xmatrix[4] = 0;
+ ctxcanvas->xmatrix[5] = (ctxcanvas->canvas->h-1);
+
+ if(ctxcanvas->transform_control)
+ {
+ fprintf(ctxcanvas->file, "</g>\n");
+ --ctxcanvas->transform_control;
+ }
+
+ cdMatrixMultiply(matrix, ctxcanvas->xmatrix);
+
+ ++ctxcanvas->transform_control;
+ fprintf(ctxcanvas->file, "<g transform=\"matrix(%g %g %g %g %g %g)\">\n", ctxcanvas->xmatrix[0], ctxcanvas->xmatrix[1], ctxcanvas->xmatrix[2], ctxcanvas->xmatrix[3], ctxcanvas->xmatrix[4], ctxcanvas->xmatrix[5]);
+
+ ctxcanvas->canvas->invert_yaxis = 0;
+ }
+ else
+ {
+ ctxcanvas->canvas->invert_yaxis = 1;
+ }
+}
+
+static void cdfline(cdCtxCanvas *ctxcanvas, double x1, double y1, double x2, double y2)
+{
+ fprintf(ctxcanvas->file, "<line x1=\"%g\" y1=\"%g\" x2=\"%g\" y2=\"%g\" style=\"fill:none; stroke:%s; stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; stroke-dasharray:%s; opacity:%d\" />\n",
+ x1, y1, x2, y2, ctxcanvas->fgColor, ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->linestyle, ctxcanvas->backopacity);
+}
+
+static void cdline(cdCtxCanvas *ctxcanvas, int x1, int y1, int x2, int y2)
+{
+ cdfline(ctxcanvas, (double)x1, (double)y1, (double)x2, (double)y2);
+}
+
+static void cdfrect(cdCtxCanvas *ctxcanvas, double xmin, double xmax, double ymin, double ymax)
+{
+ fprintf(ctxcanvas->file, "<rect x=\"%g\" y=\"%g\" width=\"%g\" height=\"%g\" style=\"fill:none; stroke:%s; stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; stroke-dasharray:%s; opacity:%d\" />\n",
+ xmin, ymin, xmax-xmin, ymax-ymin, ctxcanvas->fgColor, ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->linestyle, ctxcanvas->backopacity);
+}
+
+static void cdrect(cdCtxCanvas *ctxcanvas, int xmin, int xmax, int ymin, int ymax)
+{
+ cdfrect(ctxcanvas, (double)xmin, (double)xmax, (double)ymin, (double)ymax);
+}
+
+static void cdfbox(cdCtxCanvas *ctxcanvas, double xmin, double xmax, double ymin, double ymax)
+{
+ fprintf(ctxcanvas->file, "<rect x=\"%g\" y=\"%g\" width=\"%g\" height=\"%g\" style=\"fill:%s; stroke:%s; stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; stroke-dasharray:%s; opacity:%d\" />\n",
+ xmin, ymin, xmax-xmin, ymax-ymin, (ctxcanvas->canvas->interior_style == CD_SOLID) ? ctxcanvas->fgColor : ctxcanvas->pattern,
+ (ctxcanvas->canvas->interior_style == CD_SOLID) ? ctxcanvas->fgColor : "none", ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->linestyle, ctxcanvas->backopacity);
+}
+
+static void cdbox(cdCtxCanvas *ctxcanvas, int xmin, int xmax, int ymin, int ymax)
+{
+ cdfbox(ctxcanvas, (double)xmin, (double)xmax, (double)ymin, (double)ymax);
+}
+
+static void cdfarc(cdCtxCanvas *ctxcanvas, double xc, double yc, double w, double h, double a1, double a2)
+{
+ double arcStartX, arcStartY, arcEndX, arcEndY;
+ int largeArc = 0;
+
+ if((a1 == 0.0) && (a2 == 360.0)) /* an ellipse/circle */
+ {
+ fprintf(ctxcanvas->file, "<ellipse cx=\"%g\" cy=\"%g\" rx=\"%g\" ry=\"%g\" style=\"fill:none; stroke:%s; stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; stroke-dasharray:%s; opacity:%d\" />\n",
+ xc, yc, w/2, h/2, ctxcanvas->fgColor, ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->linestyle, ctxcanvas->backopacity);
+
+ return;
+ }
+
+ if (ctxcanvas->canvas->use_matrix) /* Transformation active */
+ {
+ double temp = 360 - a1;
+ a1 = 360 - a2;
+ a2 = temp;
+ }
+
+ arcStartX = (xc+(w/2)*cos(a1*CD_DEG2RAD));
+ arcStartY = (yc-(h/2)*sin(a1*CD_DEG2RAD));
+ arcEndX = (xc+(w/2)*cos(a2*CD_DEG2RAD));
+ arcEndY = (yc-(h/2)*sin(a2*CD_DEG2RAD));
+
+ if((a2-a1) > 180.0)
+ largeArc = 1;
+
+ fprintf(ctxcanvas->file, "<path d=\"M%g,%g A%g,%g 0 %d,0 %g,%g\" style=\"fill:none; stroke:%s; stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; stroke-dasharray:%s; opacity:%d\" />\n",
+ arcStartX, arcStartY, w/2, h/2, largeArc, arcEndX, arcEndY, ctxcanvas->fgColor, ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->linestyle, ctxcanvas->backopacity);
+}
+
+static void cdarc(cdCtxCanvas *ctxcanvas, int xc, int yc, int w, int h, double a1, double a2)
+{
+ cdfarc(ctxcanvas, (double)xc, (double)yc, (double)w, (double)h, a1, a2);
+}
+
+static void cdfsector(cdCtxCanvas *ctxcanvas, double xc, double yc, double w, double h, double a1, double a2)
+{
+ double arcStartX, arcStartY, arcEndX, arcEndY;
+ int largeArc = 0;
+
+ if((a1 == 0.0) && (a2 == 360.0)) /* an ellipse/circle */
+ {
+ fprintf(ctxcanvas->file, "<ellipse cx=\"%g\" cy=\"%g\" rx=\"%g\" ry=\"%g\" style=\"fill:%s; stroke:%s; stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; stroke-dasharray:%s; opacity:%d\" />\n",
+ xc, yc, w/2, h/2, (ctxcanvas->canvas->interior_style == CD_SOLID) ? ctxcanvas->fgColor : ctxcanvas->pattern,
+ (ctxcanvas->canvas->interior_style == CD_SOLID) ? ctxcanvas->fgColor : "none", ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->linestyle, ctxcanvas->backopacity);
+
+ return;
+ }
+
+ if (ctxcanvas->canvas->use_matrix) /* Transformation active */
+ {
+ double temp = 360 - a1;
+ a1 = 360 - a2;
+ a2 = temp;
+ }
+
+ arcStartX = (xc+(w/2)*cos(a1*CD_DEG2RAD));
+ arcStartY = (yc-(h/2)*sin(a1*CD_DEG2RAD));
+ arcEndX = (xc+(w/2)*cos(a2*CD_DEG2RAD));
+ arcEndY = (yc-(h/2)*sin(a2*CD_DEG2RAD));
+
+ if((a2-a1) > 180.0)
+ largeArc = 1;
+
+ fprintf(ctxcanvas->file, "<path d=\"M%g,%g L%g,%g A%g,%g 0 %d,0 %g,%g Z\" style=\"fill:%s; stroke:%s; stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; stroke-dasharray:%s; opacity:%d\" />\n",
+ xc, yc, arcStartX, arcStartY, w/2, h/2, largeArc, arcEndX, arcEndY, (ctxcanvas->canvas->interior_style == CD_SOLID) ? ctxcanvas->fgColor : ctxcanvas->pattern,
+ (ctxcanvas->canvas->interior_style == CD_SOLID) ? ctxcanvas->fgColor : "none", ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->linestyle, ctxcanvas->backopacity);
+}
+
+static void cdsector(cdCtxCanvas *ctxcanvas, int xc, int yc, int w, int h, double a1, double a2)
+{
+ cdfsector(ctxcanvas, (double)xc, (double)yc, (double)w, (double)h, a1, a2);
+}
+
+static void cdfchord(cdCtxCanvas *ctxcanvas, double xc, double yc, double w, double h, double a1, double a2)
+{
+ double arcStartX, arcStartY, arcEndX, arcEndY;
+ int largeArc = 0;
+
+ if (ctxcanvas->canvas->use_matrix) /* Transformation active */
+ {
+ double temp = 360 - a1;
+ a1 = 360 - a2;
+ a2 = temp;
+ }
+
+ arcStartX = (xc+(w/2)*cos(a1*CD_DEG2RAD));
+ arcStartY = (yc-(h/2)*sin(a1*CD_DEG2RAD));
+ arcEndX = (xc+(w/2)*cos(a2*CD_DEG2RAD));
+ arcEndY = (yc-(h/2)*sin(a2*CD_DEG2RAD));
+
+ if((a2-a1) > 180.0)
+ largeArc = 1;
+
+ fprintf(ctxcanvas->file, "<path d=\"M%g,%g A%g,%g 0 %d,0 %g,%g Z\" style=\"fill:%s; stroke:%s; stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; stroke-dasharray:%s; opacity:%d\" />\n",
+ arcStartX, arcStartY, w/2, h/2, largeArc, arcEndX, arcEndY, (ctxcanvas->canvas->interior_style == CD_SOLID) ? ctxcanvas->fgColor : ctxcanvas->pattern,
+ (ctxcanvas->canvas->interior_style == CD_SOLID) ? ctxcanvas->fgColor : "none", ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->linestyle, ctxcanvas->backopacity);
+}
+
+static void cdchord(cdCtxCanvas *ctxcanvas, int xc, int yc, int w, int h, double a1, double a2)
+{
+ cdfchord(ctxcanvas, (double)xc, (double)yc, (double)w, (double)h, a1, a2);
+}
+
+static void cdftext(cdCtxCanvas *ctxcanvas, double x, double y, const char *text, int len)
+{
+ char anchor[10];
+ char alignment[20];
+ int i;
+
+ switch (ctxcanvas->canvas->text_alignment)
+ {
+ case CD_NORTH:
+ case CD_NORTH_EAST:
+ case CD_NORTH_WEST:
+ sprintf(alignment, "%s", "text-before-edge");
+ break;
+ case CD_SOUTH:
+ case CD_SOUTH_EAST:
+ case CD_SOUTH_WEST:
+ sprintf(alignment, "%s", "text-after-edge");
+ break;
+ case CD_CENTER:
+ case CD_EAST:
+ case CD_WEST:
+ sprintf(alignment, "%s", "middle");
+ break;
+ case CD_BASE_CENTER:
+ case CD_BASE_LEFT:
+ case CD_BASE_RIGHT:
+ sprintf(alignment, "%s", "baseline");
+ break;
+ }
+
+ switch (ctxcanvas->canvas->text_alignment)
+ {
+ case CD_WEST:
+ case CD_NORTH_WEST:
+ case CD_SOUTH_WEST:
+ case CD_BASE_LEFT:
+ sprintf(anchor, "%s", "start");
+ break;
+ case CD_CENTER:
+ case CD_NORTH:
+ case CD_SOUTH:
+ case CD_BASE_CENTER:
+ sprintf(anchor, "%s", "middle");
+ break;
+ case CD_EAST:
+ case CD_NORTH_EAST:
+ case CD_SOUTH_EAST:
+ case CD_BASE_RIGHT:
+ sprintf(anchor, "%s", "end");
+ break;
+ }
+
+ /* Characters are putting in file using hexadecimal representations */
+ /* <text> string </text> no print special characters, like cedilla and acutes */
+ /* Future solution: use glyphs in embedded fonts (TO DO)*/
+
+ if (ctxcanvas->canvas->text_orientation != 0)
+ {
+ double text_cos = cos(ctxcanvas->canvas->text_orientation*CD_DEG2RAD);
+ double text_sin = sin(ctxcanvas->canvas->text_orientation*CD_DEG2RAD);
+
+ if (ctxcanvas->canvas->use_matrix) /* Transformation active */
+ fprintf(ctxcanvas->file, "<text transform=\"matrix(%g %g %g %g %g %g)\" font-family=\"%s\" font-size=\"%s\" font-style=\"%s\" font-weight=\"%s\" text-decoration=\"%s\" text-anchor=\"%s\" dominant-baseline=\"%s\" fill=\"%s\">\n",
+ text_cos, text_sin, text_sin, -text_cos, x, y, ctxcanvas->font_family, ctxcanvas->font_size, ctxcanvas->font_style, ctxcanvas->font_weight, ctxcanvas->font_decoration, anchor, alignment, ctxcanvas->fgColor);
+ else
+ fprintf(ctxcanvas->file, "<text transform=\"matrix(%g %g %g %g %g %g)\" font-family=\"%s\" font-size=\"%s\" font-style=\"%s\" font-weight=\"%s\" text-decoration=\"%s\" text-anchor=\"%s\" dominant-baseline=\"%s\" fill=\"%s\">\n",
+ text_cos, -text_sin, text_sin, text_cos, x, y, ctxcanvas->font_family, ctxcanvas->font_size, ctxcanvas->font_style, ctxcanvas->font_weight, ctxcanvas->font_decoration, anchor, alignment, ctxcanvas->fgColor);
+
+ for(i = 0; i < len; i++)
+ fprintf(ctxcanvas->file, "&#x%02X;", (unsigned char)text[i]);
+
+ fprintf(ctxcanvas->file, "\n</text>\n");
+ }
+ else
+ {
+ fprintf(ctxcanvas->file, "<text x=\"%g\" y=\"%g\" font-family=\"%s\" font-size=\"%s\" font-style=\"%s\" font-weight=\"%s\" text-decoration=\"%s\" text-anchor=\"%s\" dominant-baseline=\"%s\" fill=\"%s\">\n",
+ x, y, ctxcanvas->font_family, ctxcanvas->font_size, ctxcanvas->font_style, ctxcanvas->font_weight, ctxcanvas->font_decoration, anchor, alignment, ctxcanvas->fgColor);
+
+ for(i = 0; i < len; i++)
+ fprintf(ctxcanvas->file, "&#x%02X;", (unsigned char)text[i]);
+
+ fprintf(ctxcanvas->file, "\n</text>\n");
+ }
+}
+
+static void cdtext(cdCtxCanvas *ctxcanvas, int x, int y, const char *text, int len)
+{
+ cdftext(ctxcanvas, (double)x, (double)y, text, len);
+}
+
+static void cdfpoly(cdCtxCanvas *ctxcanvas, int mode, cdfPoint* poly, int n)
+{
+ int i, m = 0;
+ char rule[8];
+
+ if(mode == CD_BEZIER)
+ m = 1;
+
+ sprintf(ctxcanvas->poly, "%g,%g", poly[m].x, poly[m].y);
+ for(i = m+1; i<n; i++)
+ sprintf(ctxcanvas->poly, "%s %g,%g", ctxcanvas->poly, poly[i].x, poly[i].y);
+
+ switch (mode)
+ {
+ case CD_CLOSED_LINES :
+ fprintf(ctxcanvas->file, "<polygon style=\"fill:none; stroke:%s; stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; stroke-dasharray:%s; opacity:%d\" points=\"%s\" />\n",
+ ctxcanvas->fgColor, ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->linestyle, ctxcanvas->backopacity, ctxcanvas->poly);
+ break;
+ case CD_OPEN_LINES :
+ fprintf(ctxcanvas->file, "<polyline style=\"fill:none; stroke:%s; stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; stroke-dasharray:%s; opacity:%d\" points=\"%s\" />\n",
+ ctxcanvas->fgColor, ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->linestyle, ctxcanvas->backopacity, ctxcanvas->poly);
+ break;
+ case CD_BEZIER :
+ fprintf(ctxcanvas->file, "<path d=\"M%g,%g C%s\" style=\"fill:none; stroke:%s; stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; stroke-dasharray:%s; opacity:%d\" />\n",
+ poly[0].x, poly[0].y, ctxcanvas->poly, ctxcanvas->fgColor, ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->linestyle, ctxcanvas->backopacity);
+ break;
+ case CD_FILL :
+ if(ctxcanvas->canvas->fill_mode==CD_EVENODD)
+ sprintf(rule, "%s", "evenodd");
+ else
+ sprintf(rule, "%s", "nonzero");
+
+ fprintf(ctxcanvas->file, "<polygon style=\"fill:%s; fill-rule:%s; stroke:%s; stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; stroke-dasharray:%s; opacity:%d\" points=\"%s\" />\n",
+ (ctxcanvas->canvas->interior_style == CD_SOLID) ? ctxcanvas->fgColor : ctxcanvas->pattern, rule, (ctxcanvas->canvas->interior_style == CD_SOLID) ? ctxcanvas->fgColor : "none",
+ ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->linestyle, ctxcanvas->backopacity, ctxcanvas->poly);
+ break;
+ case CD_CLIP:
+ fprintf(ctxcanvas->file, "<clipPath id=\"clippath%d\">\n", ++ctxcanvas->last_clip_path);
+
+ fprintf(ctxcanvas->file, "<polygon points=\"%s\" />\n", ctxcanvas->poly);
+
+ fprintf(ctxcanvas->file, "</clipPath>\n");
+
+ ctxcanvas->clip_polygon = 1;
+
+ if (ctxcanvas->canvas->clip_mode == CD_CLIPPOLYGON)
+ cdclip(ctxcanvas, CD_CLIPPOLYGON);
+
+ break;
+
+ }
+}
+
+static void cdpoly(cdCtxCanvas *ctxcanvas, int mode, cdPoint* poly, int n)
+{
+ int i;
+ cdfPoint* newPoly = NULL;
+
+ newPoly = (cdfPoint*)malloc(sizeof(cdfPoint)*(n+1));
+
+ for(i = 0; i < n; i++)
+ {
+ newPoly[i].x = (double)poly[i].x;
+ newPoly[i].y = (double)poly[i].y;
+ }
+
+ cdfpoly(ctxcanvas, mode, (cdfPoint*)newPoly, n);
+
+ free(newPoly);
+}
+
+static int cdbackopacity(cdCtxCanvas *ctxcanvas, int opacity)
+{
+ ctxcanvas->backopacity = opacity;
+ return opacity;
+}
+
+static int cdlinestyle(cdCtxCanvas *ctxcanvas, int style)
+{
+ switch (style)
+ {
+ case CD_CONTINUOUS : /* empty dash */
+ sprintf(ctxcanvas->linestyle, "%s", "0");
+ break;
+ case CD_DASHED :
+ sprintf(ctxcanvas->linestyle, "%s", "6,2");
+ break;
+ case CD_DOTTED :
+ sprintf(ctxcanvas->linestyle, "%s", "2,2");
+ break;
+ case CD_DASH_DOT :
+ sprintf(ctxcanvas->linestyle, "%s", "6,2,2,2");
+ break;
+ case CD_DASH_DOT_DOT :
+ sprintf(ctxcanvas->linestyle, "%s", "6,2,2,2,2,2");
+ break;
+ case CD_CUSTOM :
+ {
+ int i;
+ sprintf(ctxcanvas->linestyle, "%d", ctxcanvas->canvas->line_dashes[0]);
+
+ for (i = 1; i < ctxcanvas->canvas->line_dashes_count; i++)
+ sprintf(ctxcanvas->linestyle, "%s, %d", ctxcanvas->linestyle, ctxcanvas->canvas->line_dashes[i]);
+ }
+ break;
+ }
+
+ return style;
+}
+
+static int cdlinewidth(cdCtxCanvas *ctxcanvas, int width)
+{
+ ctxcanvas->linewidth = width;
+
+ return width;
+}
+
+static int cdlinecap(cdCtxCanvas *ctxcanvas, int cap)
+{
+ if(cap == CD_CAPROUND)
+ sprintf(ctxcanvas->linecap, "%s", "round");
+ else if(cap == CD_CAPSQUARE)
+ sprintf(ctxcanvas->linecap, "%s", "square");
+ else /* CD_CAPFLAT */
+ sprintf(ctxcanvas->linecap, "%s", "butt");
+
+ return cap;
+}
+
+static int cdlinejoin(cdCtxCanvas *ctxcanvas, int join)
+{
+ if(join == CD_ROUND)
+ sprintf(ctxcanvas->linejoin, "%s", "round");
+ else if(join == CD_BEVEL)
+ sprintf(ctxcanvas->linejoin, "%s", "bevel");
+ else /* CD_MITER */
+ sprintf(ctxcanvas->linejoin, "%s", "miter");
+
+ return join;
+}
+
+static int cdhatch(cdCtxCanvas *ctxcanvas, int style)
+{
+ int hsize = ctxcanvas->hatchboxsize - 1;
+ int hhalf = hsize / 2;
+
+ ctxcanvas->canvas->interior_style = CD_HATCH;
+ sprintf(ctxcanvas->pattern, "url(#pattern%d)", ++ctxcanvas->last_fill_mode);
+ fprintf(ctxcanvas->file, "<pattern id=\"pattern%d\" patternUnits=\"userSpaceOnUse\" x=\"0\" y=\"0\" width=\"%d\" height=\"%d\">\n", ctxcanvas->last_fill_mode, hsize, hsize);
+
+ switch(style)
+ {
+ case CD_HORIZONTAL:
+ fprintf(ctxcanvas->file, "<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" style=\"fill:none; stroke:%s; stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; opacity:%d\" />\n",
+ 0, hhalf, hsize, hhalf, (ctxcanvas->canvas->back_opacity != CD_OPAQUE) ? ctxcanvas->fgColor : ctxcanvas->bgColor, ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->backopacity);
+ break;
+ case CD_VERTICAL:
+ fprintf(ctxcanvas->file, "<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" style=\"fill:none; stroke:%s; stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; opacity:%d\" />\n",
+ hhalf, 0, hhalf, hsize, (ctxcanvas->canvas->back_opacity != CD_OPAQUE) ? ctxcanvas->fgColor : ctxcanvas->bgColor, ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->backopacity);
+ break;
+ case CD_BDIAGONAL:
+ fprintf(ctxcanvas->file, "<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" style=\"fill:none; stroke:%s; stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; opacity:%d\" />\n",
+ 0, hsize, hsize, 0, (ctxcanvas->canvas->back_opacity != CD_OPAQUE) ? ctxcanvas->fgColor : ctxcanvas->bgColor, ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->backopacity);
+ break;
+ case CD_FDIAGONAL:
+ fprintf(ctxcanvas->file, "<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" style=\"fill:none; stroke:%s; stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; opacity:%d\" />\n",
+ 0, 0, hsize, hsize, (ctxcanvas->canvas->back_opacity != CD_OPAQUE) ? ctxcanvas->fgColor : ctxcanvas->bgColor, ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->backopacity);
+ break;
+ case CD_CROSS:
+ fprintf(ctxcanvas->file, "<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" style=\"fill:none; stroke:%s; stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; opacity:%d\" />\n",
+ hsize, 0, hsize, hsize, (ctxcanvas->canvas->back_opacity != CD_OPAQUE) ? ctxcanvas->fgColor : ctxcanvas->bgColor, ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->backopacity);
+ fprintf(ctxcanvas->file, "<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" style=\"fill:none; stroke:%s; stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; opacity:%d\" />\n",
+ 0, hhalf, hsize, hhalf, (ctxcanvas->canvas->back_opacity != CD_OPAQUE) ? ctxcanvas->fgColor : ctxcanvas->bgColor, ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->backopacity);
+ break;
+ case CD_DIAGCROSS:
+ fprintf(ctxcanvas->file, "<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" style=\"fill:none; stroke:%s; stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; opacity:%d\" />\n",
+ 0, 0, hsize, hsize, (ctxcanvas->canvas->back_opacity != CD_OPAQUE) ? ctxcanvas->fgColor : ctxcanvas->bgColor, ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->backopacity);
+ fprintf(ctxcanvas->file, "<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" style=\"fill:none; stroke:%s; stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; opacity:%d\" />\n",
+ hsize, 0, 0, hsize, (ctxcanvas->canvas->back_opacity != CD_OPAQUE) ? ctxcanvas->fgColor : ctxcanvas->bgColor, ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->backopacity);
+ break;
+ }
+
+ fprintf(ctxcanvas->file, "</pattern>\n");
+
+ return style;
+}
+
+static void make_pattern(cdCtxCanvas *ctxcanvas, int n, int m, void* data, int (*data2rgb)(cdCtxCanvas *ctxcanvas, int n, int i, int j, void* data, unsigned char*r, unsigned char*g, unsigned char*b))
+{
+ int i, j;
+ unsigned char r, g, b;
+ char color[20];
+
+ sprintf(ctxcanvas->pattern, "url(#pattern%d)", ++ctxcanvas->last_fill_mode);
+ fprintf(ctxcanvas->file, "<pattern id=\"pattern%d\" patternUnits=\"userSpaceOnUse\" x=\"0\" y=\"0\" width=\"%d\" height=\"%d\">\n", ctxcanvas->last_fill_mode, n, m);
+
+ for (j = 0; j < m; j++)
+ {
+ for (i = 0; i < n; i++)
+ {
+ int ret = data2rgb(ctxcanvas, n, i, j, data, &r, &g, &b);
+ if (ret == -1) continue;
+
+ sprintf(color, "rgb(%d,%d,%d)", (int)r, (int)g, (int)b);
+
+ fprintf(ctxcanvas->file, "<rect x=\"%g\" y=\"%g\" width=\"%g\" height=\"%g\" style=\"fill:%s; opacity:%d\" />\n",
+ (double)i, (double)j, 1.0, 1.0, color, ctxcanvas->backopacity);
+ }
+ }
+
+ fprintf(ctxcanvas->file, "</pattern>\n");
+}
+
+static int long2rgb(cdCtxCanvas *ctxcanvas, int n, int i, int j, void* data, unsigned char*r, unsigned char*g, unsigned char*b)
+{
+ long* long_data = (long*)data;
+ (void)ctxcanvas;
+ cdDecodeColor(long_data[j*n+i], r, g, b);
+ return 1;
+}
+
+static void cdpattern(cdCtxCanvas *ctxcanvas, int n, int m, const long int *pattern)
+{
+ ctxcanvas->canvas->interior_style = CD_PATTERN;
+ make_pattern(ctxcanvas, n, m, (void*)pattern, long2rgb);
+}
+
+static int uchar2rgb(cdCtxCanvas *ctxcanvas, int n, int i, int j, void* data, unsigned char*r, unsigned char*g, unsigned char*b)
+{
+ int ret = 1;
+ unsigned char* uchar_data = (unsigned char*)data;
+ if (uchar_data[j*n+i])
+ {
+ cdDecodeColor(ctxcanvas->canvas->foreground, r, g, b);
+ ret = 1;
+ }
+ else
+ {
+ cdDecodeColor(ctxcanvas->canvas->background, r, g, b);
+ if (ctxcanvas->canvas->back_opacity==CD_TRANSPARENT)
+ ret = -1;
+ }
+
+ return ret;
+}
+
+static void cdstipple(cdCtxCanvas *ctxcanvas, int n, int m, const unsigned char *stipple)
+{
+ ctxcanvas->canvas->interior_style = CD_STIPPLE;
+ make_pattern(ctxcanvas, n, m, (void*)stipple, uchar2rgb);
+}
+
+static int cdfont(cdCtxCanvas *ctxcanvas, const char* type_face, int style, int size)
+{
+ /* Define type_face and size */
+ if(type_face != NULL)
+ sprintf(ctxcanvas->font_family, "%s", type_face);
+
+ if(size > 0)
+ sprintf(ctxcanvas->font_size, "%dpt", size);
+ else
+ sprintf(ctxcanvas->font_size, "%dpx", (-1)*size);
+
+ if(style != -1)
+ {
+ /* Default: CD_PLAIN */
+ sprintf(ctxcanvas->font_weight, "%s", "normal");
+ sprintf(ctxcanvas->font_style, "%s", "normal");
+ sprintf(ctxcanvas->font_decoration, "%s", "none");
+
+ /* Define styles and decorations */
+ if (style & CD_BOLD)
+ sprintf(ctxcanvas->font_weight, "%s", "bold");
+
+ if (style & CD_ITALIC)
+ sprintf(ctxcanvas->font_style, "%s", "italic");
+
+ if (style & CD_STRIKEOUT)
+ sprintf(ctxcanvas->font_decoration, "%s", "line-through");
+
+ if (style & CD_UNDERLINE)
+ sprintf(ctxcanvas->font_decoration, "%s", "underline");
+ }
+
+ return 1;
+}
+
+static long cdbackground(cdCtxCanvas *ctxcanvas, long int color)
+{
+ unsigned char r, g, b;
+ cdDecodeColor(color, &r, &g, &b);
+ sprintf(ctxcanvas->bgColor, "rgb(%d,%d,%d)", (int)r, (int)g, (int)b);
+
+ return color;
+}
+
+static long cdforeground(cdCtxCanvas *ctxcanvas, long int color)
+{
+ unsigned char r, g, b;
+ cdDecodeColor(color, &r, &g, &b);
+ sprintf(ctxcanvas->fgColor, "rgb(%d,%d,%d)", (int)r, (int)g, (int)b);
+
+ return color;
+}
+
+static void cdputimagerectrgb(cdCtxCanvas *ctxcanvas, int iw, int ih, const unsigned char *r, const unsigned char *g, const unsigned char *b, int x, int y, int w, int h, int xmin, int xmax, int ymin, int ymax)
+{
+ int i, j, d, rw, rh, rgb_size, buffer_size, target_size;
+ unsigned char* rgb_data, *rgb_buffer;
+ LodePNG_Encoder encoder;
+ char* rgb_target;
+
+ if (xmin<0 || ymin<0 || xmax-xmin+1>iw || ymax-ymin+1>ih) return;
+
+ rw = xmax-xmin+1;
+ rh = ymax-ymin+1;
+
+ rgb_size = 4*rw*rh;
+ rgb_data = (unsigned char*)malloc(rgb_size);
+ if (!rgb_data) return;
+
+ d = 0;
+ for (i=ymax; i>=ymin; i--)
+ {
+ for (j=xmin; j<=xmax; j++)
+ {
+ rgb_data[d] = r[i*iw+j]; d++;
+ rgb_data[d] = g[i*iw+j]; d++;
+ rgb_data[d] = b[i*iw+j]; d++;
+ rgb_data[d] = (unsigned char)0xFF; d++;
+ }
+ }
+
+ LodePNG_Encoder_init(&encoder);
+ LodePNG_encode(&encoder, &rgb_buffer, &(size_t)buffer_size, rgb_data, rw, rh);
+
+ target_size = (buffer_size+2)/3*4+1;
+ rgb_target = (char*)malloc(target_size);
+ base64_encode(rgb_buffer, buffer_size, rgb_target, target_size);
+
+ if (ctxcanvas->canvas->use_matrix) /* Transformation active */
+ fprintf(ctxcanvas->file, "<image transform=\"matrix(%d %d %d %d %d %d)\" width=\"%d\" height=\"%d\" xlink:href=\"data:image/png;base64,%s\"/>\n",
+ 1, 0, 0, -1, x, y+h, w, h, rgb_target);
+ else
+ fprintf(ctxcanvas->file, "<image transform=\"matrix(%d %d %d %d %d %d)\" width=\"%d\" height=\"%d\" xlink:href=\"data:image/png;base64,%s\"/>\n",
+ 1, 0, 0, 1, x, y-h, w, h, rgb_target);
+
+ free(rgb_data);
+ free(rgb_buffer);
+ free(rgb_target);
+ LodePNG_Encoder_cleanup(&encoder);
+}
+
+static void cdputimagerectrgba(cdCtxCanvas *ctxcanvas, int iw, int ih, const unsigned char *r, const unsigned char *g, const unsigned char *b, const unsigned char *a, int x, int y, int w, int h, int xmin, int xmax, int ymin, int ymax)
+{
+ int i, j, d, rw, rh, rgb_size, buffer_size, target_size;
+ unsigned char* rgb_data, *rgb_buffer;
+ LodePNG_Encoder encoder;
+ char* rgb_target;
+
+ if (xmin<0 || ymin<0 || xmax-xmin+1>iw || ymax-ymin+1>ih) return;
+
+ rw = xmax-xmin+1;
+ rh = ymax-ymin+1;
+
+ rgb_size = 4*rw*rh;
+ rgb_data = (unsigned char*)malloc(rgb_size);
+ if (!rgb_data) return;
+
+ d = 0;
+ for (i=ymax; i>=ymin; i--)
+ {
+ for (j=xmin; j<=xmax; j++)
+ {
+ rgb_data[d] = r[i*iw+j]; d++;
+ rgb_data[d] = g[i*iw+j]; d++;
+ rgb_data[d] = b[i*iw+j]; d++;
+ rgb_data[d] = a[i*iw+j]; d++;
+ }
+ }
+
+ LodePNG_Encoder_init(&encoder);
+ LodePNG_encode(&encoder, &rgb_buffer, &(size_t)buffer_size, rgb_data, rw, rh);
+
+ target_size = (buffer_size+2)/3*4+1;
+ rgb_target = (char*)malloc(target_size);
+ base64_encode(rgb_buffer, buffer_size, rgb_target, target_size);
+
+ if (ctxcanvas->canvas->use_matrix) /* Transformation active */
+ fprintf(ctxcanvas->file, "<image transform=\"matrix(%d %d %d %d %d %d)\" width=\"%d\" height=\"%d\" xlink:href=\"data:image/png;base64,%s\"/>\n",
+ 1, 0, 0, -1, x, y+h, w, h, rgb_target);
+ else
+ fprintf(ctxcanvas->file, "<image transform=\"matrix(%d %d %d %d %d %d)\" width=\"%d\" height=\"%d\" xlink:href=\"data:image/png;base64,%s\"/>\n",
+ 1, 0, 0, 1, x, y-h, w, h, rgb_target);
+
+ free(rgb_data);
+ free(rgb_buffer);
+ free(rgb_target);
+ LodePNG_Encoder_cleanup(&encoder);
+}
+
+static void cdputimagerectmap(cdCtxCanvas *ctxcanvas, int iw, int ih, const unsigned char *index, const long int *colors, int x, int y, int w, int h, int xmin, int xmax, int ymin, int ymax)
+{
+ int i, j, d, rw, rh, rgb_size, buffer_size, target_size;
+ unsigned char* rgb_data, *rgb_buffer;
+ LodePNG_Encoder encoder;
+ char* rgb_target;
+
+ if (xmin<0 || ymin<0 || xmax-xmin+1>iw || ymax-ymin+1>ih) return;
+
+ rw = xmax-xmin+1;
+ rh = ymax-ymin+1;
+
+ rgb_size = 4*rw*rh;
+ rgb_data = (unsigned char*)malloc(rgb_size);
+ if (!rgb_data) return;
+
+ d = 0;
+ for (i=ymax; i>=ymin; i--)
+ {
+ for (j=xmin; j<=xmax; j++)
+ {
+ unsigned char r, g, b;
+ cdDecodeColor(colors[index[i*iw+j]], &r, &g, &b);
+ rgb_data[d] = r; d++;
+ rgb_data[d] = g; d++;
+ rgb_data[d] = b; d++;
+ rgb_data[d] = (unsigned char)0xFF; d++;
+ }
+ }
+
+ LodePNG_Encoder_init(&encoder);
+ LodePNG_encode(&encoder, &rgb_buffer, &(size_t)buffer_size, rgb_data, rw, rh);
+
+ target_size = (buffer_size+2)/3*4+1;
+ rgb_target = (char*)malloc(target_size);
+ base64_encode(rgb_buffer, buffer_size, rgb_target, target_size);
+
+ if (ctxcanvas->canvas->use_matrix) /* Transformation active */
+ fprintf(ctxcanvas->file, "<image transform=\"matrix(%d %d %d %d %d %d)\" width=\"%d\" height=\"%d\" xlink:href=\"data:image/png;base64,%s\"/>\n",
+ 1, 0, 0, -1, x, y+h, w, h, rgb_target);
+ else
+ fprintf(ctxcanvas->file, "<image transform=\"matrix(%d %d %d %d %d %d)\" width=\"%d\" height=\"%d\" xlink:href=\"data:image/png;base64,%s\"/>\n",
+ 1, 0, 0, 1, x, y-h, w, h, rgb_target);
+
+ free(rgb_data);
+ free(rgb_buffer);
+ free(rgb_target);
+ LodePNG_Encoder_cleanup(&encoder);
+}
+
+static void cdpixel(cdCtxCanvas *ctxcanvas, int x, int y, long int color)
+{
+ unsigned char r, g, b;
+ cdDecodeColor(color, &r, &g, &b);
+
+ fprintf(ctxcanvas->file, "<circle cx=\"%d\" cy=\"%d\" r=\"0.1\" style=\"fill:rgb(%d,%d,%d); stroke:rgb(%d,%d,%d); stroke-width:%d; stroke-linecap:%s; stroke-linejoin:%s; stroke-dasharray:%s; opacity:%d\" />\n",
+ x, y, r, g, b, r, g, b, ctxcanvas->linewidth, ctxcanvas->linecap, ctxcanvas->linejoin, ctxcanvas->linestyle, ctxcanvas->backopacity);
+}
+
+static void cdcreatecanvas(cdCanvas *canvas, void *data)
+{
+ char filename[10240] = "";
+ char* strdata = (char*)data;
+ double w_mm = INT_MAX*3.78, h_mm = INT_MAX*3.78, res = 3.78;
+ cdCtxCanvas* ctxcanvas;
+ int size;
+
+ strdata += cdGetFileName(strdata, filename);
+ if (filename[0] == 0)
+ return;
+
+ sscanf(strdata, "%lgx%lg %lg", &w_mm, &h_mm, &res);
+
+ ctxcanvas = (cdCtxCanvas *)malloc(sizeof(cdCtxCanvas));
+ memset(ctxcanvas, 0, sizeof(cdCtxCanvas));
+
+ ctxcanvas->file = fopen(filename, "w");
+ if (!ctxcanvas->file)
+ {
+ free(ctxcanvas);
+ return;
+ }
+
+ size = strlen(filename);
+ ctxcanvas->filename = malloc(size+1);
+ memcpy(ctxcanvas->filename, filename, size+1);
+
+ /* store the base canvas */
+ ctxcanvas->canvas = canvas;
+
+ /* update canvas context */
+ canvas->w = (int)(w_mm * res);
+ canvas->h = (int)(h_mm * res);
+ canvas->w_mm = w_mm;
+ canvas->h_mm = h_mm;
+ canvas->bpp = 24;
+ canvas->xres = res;
+ canvas->yres = res;
+ canvas->invert_yaxis = 1;
+
+ /* update canvas context */
+ canvas->ctxcanvas = ctxcanvas;
+
+ ctxcanvas->last_fill_mode = -1;
+ ctxcanvas->last_clip_path = -1;
+
+ ctxcanvas->clip_off_control = 0;
+ ctxcanvas->transform_control = 0;
+
+ ctxcanvas->clip_polygon = 0;
+ ctxcanvas->hatchboxsize = 8;
+
+ fprintf(ctxcanvas->file, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
+ fprintf(ctxcanvas->file, "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" width=\"%dpt\" height=\"%dpt\" viewBox=\"0 0 %d %d\" version=\"1.1\">\n", canvas->w, canvas->h, canvas->w, canvas->h);
+ fprintf(ctxcanvas->file, "<g>\n");
+}
+
+static void cdinittable(cdCanvas* canvas)
+{
+ canvas->cxPixel = cdpixel;
+ canvas->cxLine = cdline;
+ canvas->cxPoly = cdpoly;
+ canvas->cxRect = cdrect;
+ canvas->cxBox = cdbox;
+ canvas->cxArc = cdarc;
+ canvas->cxSector = cdsector;
+ canvas->cxChord = cdchord;
+ canvas->cxText = cdtext;
+ canvas->cxClip = cdclip;
+ canvas->cxClipArea = cdcliparea;
+ canvas->cxFont = cdfont;
+
+ canvas->cxPutImageRectRGB = cdputimagerectrgb;
+ canvas->cxPutImageRectRGBA = cdputimagerectrgba;
+ canvas->cxPutImageRectMap = cdputimagerectmap;
+
+ canvas->cxFLine = cdfline;
+ canvas->cxFPoly = cdfpoly;
+ canvas->cxFRect = cdfrect;
+ canvas->cxFBox = cdfbox;
+ canvas->cxFArc = cdfarc;
+ canvas->cxFSector = cdfsector;
+ canvas->cxFChord = cdfchord;
+ canvas->cxFText = cdftext;
+ canvas->cxFClipArea = cdfcliparea;
+
+ canvas->cxBackOpacity = cdbackopacity;
+ canvas->cxLineStyle = cdlinestyle;
+ canvas->cxLineWidth = cdlinewidth;
+ canvas->cxLineCap = cdlinecap;
+ canvas->cxLineJoin = cdlinejoin;
+
+ canvas->cxHatch = cdhatch;
+ canvas->cxStipple = cdstipple;
+ canvas->cxPattern = cdpattern;
+
+ canvas->cxBackground = cdbackground;
+ canvas->cxForeground = cdforeground;
+
+ canvas->cxTransform = cdtransform;
+
+ canvas->cxKillCanvas = (void (*)(cdCtxCanvas*))cdkillcanvas;
+}
+
+static cdContext cdSVGContext =
+{
+ CD_CAP_ALL & ~(CD_CAP_CLEAR | CD_CAP_FLUSH | CD_CAP_PLAY | CD_CAP_PALETTE |
+ CD_CAP_REGION | CD_CAP_IMAGESRV | CD_CAP_WRITEMODE |
+ CD_CAP_FONTDIM | CD_CAP_TEXTSIZE |
+ CD_CAP_IMAGERGBA | CD_CAP_GETIMAGERGB),
+ 0,
+ cdcreatecanvas,
+ cdinittable,
+ NULL,
+ NULL,
+};
+
+cdContext* cdContextSVG(void)
+{
+ return &cdSVGContext;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-17 01:08:41 +0000