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Diffstat (limited to 'src/cairo/cdcairo.c')
-rw-r--r--src/cairo/cdcairo.c249
1 files changed, 226 insertions, 23 deletions
diff --git a/src/cairo/cdcairo.c b/src/cairo/cdcairo.c
index 6b536a4..286d5ad 100644
--- a/src/cairo/cdcairo.c
+++ b/src/cairo/cdcairo.c
@@ -79,7 +79,7 @@ char* StrConvertToUTF8(cdCtxCanvas *ctxcanvas, const char* str, int length)
return (char*)str;
}
-static void update_fill(cdCtxCanvas *ctxcanvas, int fill)
+static void sUpdateFill(cdCtxCanvas *ctxcanvas, int fill)
{
if (fill == 0 || ctxcanvas->canvas->interior_style == CD_SOLID)
{
@@ -320,7 +320,6 @@ static int cdhatch(cdCtxCanvas *ctxcanvas, int style)
cairo_t* cr;
hatch_surface = cairo_surface_create_similar(cairo_get_target(ctxcanvas->cr), CAIRO_CONTENT_COLOR_ALPHA, hsize, hsize);
-
cr = cairo_create(hatch_surface);
if (ctxcanvas->canvas->back_opacity == CD_OPAQUE)
@@ -576,7 +575,7 @@ static void cdclear(cdCtxCanvas* ctxcanvas)
static void cdfline(cdCtxCanvas *ctxcanvas, double x1, double y1, double x2, double y2)
{
- update_fill(ctxcanvas, 0);
+ sUpdateFill(ctxcanvas, 0);
cairo_move_to(ctxcanvas->cr, x1, y1);
cairo_line_to(ctxcanvas->cr, x2, y2);
@@ -608,7 +607,7 @@ static void sFixAngles(cdCtxCanvas* ctxcanvas, double *angle1, double *angle2)
static void cdfarc(cdCtxCanvas *ctxcanvas, double xc, double yc, double w, double h, double a1, double a2)
{
- update_fill(ctxcanvas, 0);
+ sUpdateFill(ctxcanvas, 0);
sFixAngles(ctxcanvas, &a1, &a2);
@@ -639,7 +638,7 @@ static void cdarc(cdCtxCanvas *ctxcanvas, int xc, int yc, int w, int h, double a
static void cdfsector(cdCtxCanvas *ctxcanvas, double xc, double yc, double w, double h, double a1, double a2)
{
- update_fill(ctxcanvas, 1);
+ sUpdateFill(ctxcanvas, 1);
sFixAngles(ctxcanvas, &a1, &a2);
@@ -673,15 +672,14 @@ static void cdsector(cdCtxCanvas *ctxcanvas, int xc, int yc, int w, int h, doubl
static void cdfchord(cdCtxCanvas *ctxcanvas, double xc, double yc, double w, double h, double a1, double a2)
{
- update_fill(ctxcanvas, 1);
+ sUpdateFill(ctxcanvas, 1);
sFixAngles(ctxcanvas, &a1, &a2);
if (w == h)
{
cairo_arc(ctxcanvas->cr, xc, yc, 0.5*w, a1, a2);
- cairo_fill_preserve(ctxcanvas->cr);
- cairo_stroke(ctxcanvas->cr);
+ cairo_fill(ctxcanvas->cr);
}
else /* Ellipse: change the scale to create from the circle */
{
@@ -693,8 +691,7 @@ static void cdfchord(cdCtxCanvas *ctxcanvas, double xc, double yc, double w, dou
cairo_translate(ctxcanvas->cr, -xc, -yc);
cairo_arc(ctxcanvas->cr, xc, yc, 0.5*h, a1, a2);
- cairo_fill_preserve(ctxcanvas->cr);
- cairo_stroke(ctxcanvas->cr);
+ cairo_fill(ctxcanvas->cr);
cairo_restore(ctxcanvas->cr); /* restore from local */
}
@@ -707,7 +704,7 @@ static void cdchord(cdCtxCanvas *ctxcanvas, int xc, int yc, int w, int h, double
static void cdfrect(cdCtxCanvas *ctxcanvas, double xmin, double xmax, double ymin, double ymax)
{
- update_fill(ctxcanvas, 0);
+ sUpdateFill(ctxcanvas, 0);
cairo_rectangle(ctxcanvas->cr, xmin, ymin, xmax-xmin+1, ymax-ymin+1);
cairo_stroke(ctxcanvas->cr);
}
@@ -719,7 +716,7 @@ static void cdrect(cdCtxCanvas *ctxcanvas, int xmin, int xmax, int ymin, int yma
static void cdfbox(cdCtxCanvas *ctxcanvas, double xmin, double xmax, double ymin, double ymax)
{
- update_fill(ctxcanvas, 1);
+ sUpdateFill(ctxcanvas, 1);
cairo_rectangle(ctxcanvas->cr, xmin, ymin, xmax-xmin+1, ymax-ymin+1);
cairo_fill(ctxcanvas->cr);
}
@@ -806,7 +803,7 @@ static void cdftext(cdCtxCanvas *ctxcanvas, double x, double y, const char *s, i
cairo_set_font_matrix(ctxcanvas->cr, &matrix);
}
- update_fill(ctxcanvas, 0);
+ sUpdateFill(ctxcanvas, 0);
cairo_move_to(ctxcanvas->cr, x, y);
cairo_show_text(ctxcanvas->cr, s);
@@ -844,9 +841,102 @@ static void cdpoly(cdCtxCanvas *ctxcanvas, int mode, cdPoint* poly, int n)
if (mode == CD_CLIP)
return;
+ if (mode == CD_PATH)
+ {
+ int p;
+
+ /* if there is any current path, remove it */
+ cairo_new_path(ctxcanvas->cr);
+
+ i = 0;
+ for (p=0; p<ctxcanvas->canvas->path_n; p++)
+ {
+ switch(ctxcanvas->canvas->path[p])
+ {
+ case CD_PATH_NEW:
+ cairo_new_path(ctxcanvas->cr);
+ break;
+ case CD_PATH_MOVETO:
+ if (i+1 > n) return;
+ cairo_move_to(ctxcanvas->cr, poly[i].x, poly[i].y);
+ i++;
+ break;
+ case CD_PATH_LINETO:
+ if (i+1 > n) return;
+ cairo_line_to(ctxcanvas->cr, poly[i].x, poly[i].y);
+ i++;
+ break;
+ case CD_PATH_ARC:
+ {
+ double xc, yc, w, h, a1, a2;
+
+ if (i+3 > n) return;
+
+ xc = poly[i].x,
+ yc = poly[i].y,
+ w = poly[i+1].x,
+ h = poly[i+1].y,
+ a1 = poly[i+2].x/1000.0,
+ a2 = poly[i+2].y/1000.0;
+
+ sFixAngles(ctxcanvas, &a1, &a2);
+
+ if (w == h)
+ {
+ cairo_arc(ctxcanvas->cr, xc, yc, 0.5*w, a1, a2);
+ }
+ else /* Ellipse: change the scale to create from the circle */
+ {
+ cairo_save(ctxcanvas->cr); /* save to use the local transform */
+
+ cairo_translate(ctxcanvas->cr, xc, yc);
+ cairo_scale(ctxcanvas->cr, w/h, 1.0);
+ cairo_translate(ctxcanvas->cr, -xc, -yc);
+
+ cairo_arc(ctxcanvas->cr, xc, yc, 0.5*h, a1, a2);
+
+ cairo_restore(ctxcanvas->cr); /* restore from local */
+ }
+
+ i += 3;
+ }
+ break;
+ case CD_PATH_CURVETO:
+ if (i+3 > n) return;
+ cairo_curve_to(ctxcanvas->cr, poly[i].x, poly[i].y, poly[i+1].x, poly[i+1].y, poly[i+2].x, poly[i+2].y);
+ i += 3;
+ break;
+ case CD_PATH_CLOSE:
+ cairo_close_path(ctxcanvas->cr);
+ break;
+ case CD_PATH_FILL:
+ sUpdateFill(ctxcanvas, 1);
+ cairo_set_fill_rule(ctxcanvas->cr, ctxcanvas->canvas->fill_mode==CD_EVENODD? CAIRO_FILL_RULE_EVEN_ODD: CAIRO_FILL_RULE_WINDING);
+ cairo_fill(ctxcanvas->cr);
+ break;
+ case CD_PATH_STROKE:
+ sUpdateFill(ctxcanvas, 0);
+ cairo_stroke(ctxcanvas->cr);
+ break;
+ case CD_PATH_FILLSTROKE:
+ sUpdateFill(ctxcanvas, 1);
+ cairo_set_fill_rule(ctxcanvas->cr, ctxcanvas->canvas->fill_mode==CD_EVENODD? CAIRO_FILL_RULE_EVEN_ODD: CAIRO_FILL_RULE_WINDING);
+ cairo_fill_preserve(ctxcanvas->cr);
+ sUpdateFill(ctxcanvas, 0);
+ cairo_stroke(ctxcanvas->cr);
+ break;
+ case CD_PATH_CLIP:
+ cairo_set_fill_rule(ctxcanvas->cr, ctxcanvas->canvas->fill_mode==CD_EVENODD? CAIRO_FILL_RULE_EVEN_ODD: CAIRO_FILL_RULE_WINDING);
+ cairo_clip(ctxcanvas->cr);
+ break;
+ }
+ }
+ return;
+ }
+
if (mode == CD_FILL)
{
- update_fill(ctxcanvas, 1);
+ sUpdateFill(ctxcanvas, 1);
if (ctxcanvas->holes || ctxcanvas->canvas->fill_mode==CD_EVENODD)
cairo_set_fill_rule(ctxcanvas->cr, CAIRO_FILL_RULE_EVEN_ODD);
@@ -854,7 +944,7 @@ static void cdpoly(cdCtxCanvas *ctxcanvas, int mode, cdPoint* poly, int n)
cairo_set_fill_rule(ctxcanvas->cr, CAIRO_FILL_RULE_WINDING);
}
else
- update_fill(ctxcanvas, 0);
+ sUpdateFill(ctxcanvas, 0);
cairo_move_to(ctxcanvas->cr, poly[0].x, poly[0].y);
@@ -904,9 +994,102 @@ static void cdfpoly(cdCtxCanvas *ctxcanvas, int mode, cdfPoint* poly, int n)
if (mode == CD_CLIP)
return;
+ if (mode == CD_PATH)
+ {
+ int p;
+
+ /* if there is any current path, remove it */
+ cairo_new_path(ctxcanvas->cr);
+
+ i = 0;
+ for (p=0; p<ctxcanvas->canvas->path_n; p++)
+ {
+ switch(ctxcanvas->canvas->path[p])
+ {
+ case CD_PATH_NEW:
+ cairo_new_path(ctxcanvas->cr);
+ break;
+ case CD_PATH_MOVETO:
+ if (i+1 > n) return;
+ cairo_move_to(ctxcanvas->cr, poly[i].x, poly[i].y);
+ i++;
+ break;
+ case CD_PATH_LINETO:
+ if (i+1 > n) return;
+ cairo_line_to(ctxcanvas->cr, poly[i].x, poly[i].y);
+ i++;
+ break;
+ case CD_PATH_ARC:
+ {
+ double xc, yc, w, h, a1, a2;
+
+ if (i+3 > n) return;
+
+ xc = poly[i].x,
+ yc = poly[i].y,
+ w = poly[i+1].x,
+ h = poly[i+1].y,
+ a1 = poly[i+2].x,
+ a2 = poly[i+2].y;
+
+ sFixAngles(ctxcanvas, &a1, &a2);
+
+ if (w == h)
+ {
+ cairo_arc(ctxcanvas->cr, xc, yc, 0.5*w, a1, a2);
+ }
+ else /* Ellipse: change the scale to create from the circle */
+ {
+ cairo_save(ctxcanvas->cr); /* save to use the local transform */
+
+ cairo_translate(ctxcanvas->cr, xc, yc);
+ cairo_scale(ctxcanvas->cr, w/h, 1.0);
+ cairo_translate(ctxcanvas->cr, -xc, -yc);
+
+ cairo_arc(ctxcanvas->cr, xc, yc, 0.5*h, a1, a2);
+
+ cairo_restore(ctxcanvas->cr); /* restore from local */
+ }
+
+ i += 3;
+ }
+ break;
+ case CD_PATH_CURVETO:
+ if (i+3 > n) return;
+ cairo_curve_to(ctxcanvas->cr, poly[i].x, poly[i].y, poly[i+1].x, poly[i+1].y, poly[i+2].x, poly[i+2].y);
+ i += 3;
+ break;
+ case CD_PATH_CLOSE:
+ cairo_close_path(ctxcanvas->cr);
+ break;
+ case CD_PATH_FILL:
+ sUpdateFill(ctxcanvas, 1);
+ cairo_set_fill_rule(ctxcanvas->cr, ctxcanvas->canvas->fill_mode==CD_EVENODD? CAIRO_FILL_RULE_EVEN_ODD: CAIRO_FILL_RULE_WINDING);
+ cairo_fill(ctxcanvas->cr);
+ break;
+ case CD_PATH_STROKE:
+ sUpdateFill(ctxcanvas, 0);
+ cairo_stroke(ctxcanvas->cr);
+ break;
+ case CD_PATH_FILLSTROKE:
+ sUpdateFill(ctxcanvas, 1);
+ cairo_set_fill_rule(ctxcanvas->cr, ctxcanvas->canvas->fill_mode==CD_EVENODD? CAIRO_FILL_RULE_EVEN_ODD: CAIRO_FILL_RULE_WINDING);
+ cairo_fill_preserve(ctxcanvas->cr);
+ sUpdateFill(ctxcanvas, 0);
+ cairo_stroke(ctxcanvas->cr);
+ break;
+ case CD_PATH_CLIP:
+ cairo_set_fill_rule(ctxcanvas->cr, ctxcanvas->canvas->fill_mode==CD_EVENODD? CAIRO_FILL_RULE_EVEN_ODD: CAIRO_FILL_RULE_WINDING);
+ cairo_clip(ctxcanvas->cr);
+ break;
+ }
+ }
+ return;
+ }
+
if (mode == CD_FILL)
{
- update_fill(ctxcanvas, 1);
+ sUpdateFill(ctxcanvas, 1);
if (ctxcanvas->holes || ctxcanvas->canvas->fill_mode==CD_EVENODD)
cairo_set_fill_rule(ctxcanvas->cr, CAIRO_FILL_RULE_EVEN_ODD);
@@ -914,7 +1097,7 @@ static void cdfpoly(cdCtxCanvas *ctxcanvas, int mode, cdfPoint* poly, int n)
cairo_set_fill_rule(ctxcanvas->cr, CAIRO_FILL_RULE_WINDING);
}
else
- update_fill(ctxcanvas, 0);
+ sUpdateFill(ctxcanvas, 0);
cairo_move_to(ctxcanvas->cr, poly[0].x, poly[0].y);
@@ -1476,6 +1659,31 @@ static cdAttribute aa_attrib =
get_aa_attrib
};
+static void set_pattern_image_attrib(cdCtxCanvas *ctxcanvas, char* data)
+{
+ if (data)
+ {
+ cdCtxImage *ctximage = (cdCtxImage *)data;
+
+ if (ctxcanvas->pattern)
+ cairo_pattern_destroy(ctxcanvas->pattern);
+
+ ctxcanvas->pattern = cairo_pattern_create_for_surface(cairo_get_target(ctximage->cr));
+ cairo_pattern_reference(ctxcanvas->pattern);
+ cairo_pattern_set_extend(ctxcanvas->pattern, CAIRO_EXTEND_REPEAT);
+
+ cairo_set_source(ctxcanvas->cr, ctxcanvas->pattern);
+ ctxcanvas->last_source = 1;
+ }
+}
+
+static cdAttribute pattern_image_attrib =
+{
+ "PATTERNIMAGE",
+ set_pattern_image_attrib,
+ NULL
+};
+
static void set_linegradient_attrib(cdCtxCanvas* ctxcanvas, char* data)
{
if (data)
@@ -1698,6 +1906,7 @@ cdCtxCanvas *cdcairoCreateCanvas(cdCanvas* canvas, cairo_t* cr)
cdRegisterAttribute(canvas, &interp_attrib);
cdRegisterAttribute(canvas, &cairodc_attrib);
cdRegisterAttribute(canvas, &hatchboxsize_attrib);
+ cdRegisterAttribute(canvas, &pattern_image_attrib);
cairo_save(ctxcanvas->cr);
cairo_set_operator(ctxcanvas->cr, CAIRO_OPERATOR_OVER);
@@ -1759,9 +1968,3 @@ void cdcairoInitTable(cdCanvas* canvas)
canvas->cxPutImageRectMap = cdputimagerectmap;
canvas->cxPutImageRectRGBA = cdputimagerectrgba;
}
-
-/*
-cairo_arc (cr, 128.0, 128.0, 76.8, 0, 2*M_PI);
-cairo_clip (cr);
-cairo_new_path (cr); // path not consumed by clip()
-*/
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-02 23:15:54 +0000