static void cdkillcanvas(cdCtxCanvas *ctxcanvas)
{
cdKillImage(ctxcanvas->image_dbuffer);
cdwKillCanvas(ctxcanvas);
memset(ctxcanvas, 0, sizeof(cdCtxCanvas));
free(ctxcanvas);
}
static int cdactivate(cdCtxCanvas* ctxcanvas)
{
int w, h;
cdCanvas* canvas_dbuffer = ctxcanvas->canvas_dbuffer;
/* this is done in the canvas_dbuffer context */
/* this will update canvas size */
cdCanvasActivate(canvas_dbuffer);
w = canvas_dbuffer->w;
h = canvas_dbuffer->h;
if (w==0) w=1;
if (h==0) h=1;
/* check if the size changed */
if (w != ctxcanvas->image_dbuffer->w ||
h != ctxcanvas->image_dbuffer->h)
{
cdCanvas* canvas = ctxcanvas->canvas;
/* save the current, if the rebuild fail */
cdImage* old_image_dbuffer = ctxcanvas->image_dbuffer;
cdCtxCanvas* old_ctxcanvas = ctxcanvas;
/* if the image is rebuild, the canvas that uses the image must be also rebuild */
/* rebuild the image and the canvas */
canvas->ctxcanvas = NULL;
canvas->context->cxCreateCanvas(canvas, canvas_dbuffer);
if (!canvas->ctxcanvas)
{
canvas->ctxcanvas = old_ctxcanvas;
return CD_ERROR;
}
/* remove the old image and canvas */
cdKillImage(old_image_dbuffer);
cdgdkKillCanvas(old_ctxcanvas);
ctxcanvas = canvas->ctxcanvas;
/* update canvas attributes */
cdUpdateAttributes(canvas);
}
return CD_OK;
}
static void cdkillcanvas (cdCtxCanvas* ctxcanvas)
{
cdKillImage(ctxcanvas->image_dbuffer);
cdgdkKillCanvas(ctxcanvas);
}
static int cdactivate(cdCtxCanvas *ctxcanvas)
{
int w, h;
cdCanvas* canvas_dbuffer = ctxcanvas->canvas_dbuffer;
/* this is done in the canvas_dbuffer context */
/* this will update canvas size */
cdCanvasActivate(canvas_dbuffer);
w = canvas_dbuffer->w;
h = canvas_dbuffer->h;
if (w==0) w=1;
if (h==0) h=1;
/* check if the size changed */
if (w != ctxcanvas->image_dbuffer->w ||
h != ctxcanvas->image_dbuffer->h)
{
cdCanvas* canvas = ctxcanvas->canvas;
/* save the current, if the rebuild fail */
cdImage* old_image_dbuffer = ctxcanvas->image_dbuffer;
cdCtxCanvas* old_ctxcanvas = ctxcanvas;
/* if the image is rebuild, the canvas that uses the image must be also rebuild */
/* rebuild the image and the canvas */
canvas->ctxcanvas = NULL;
cdcreatecanvas(canvas, canvas_dbuffer);
if (!canvas->ctxcanvas)
{
canvas->ctxcanvas = old_ctxcanvas;
return CD_ERROR;
}
/* remove the old image and canvas */
cdKillImage(old_image_dbuffer);
cdwKillCanvas(old_ctxcanvas);
free(old_ctxcanvas);
ctxcanvas = canvas->ctxcanvas;
/* update canvas attributes */
canvas->cxBackground(ctxcanvas, canvas->background);
canvas->cxForeground(ctxcanvas, canvas->foreground);
canvas->cxBackOpacity(ctxcanvas, canvas->back_opacity);
canvas->cxWriteMode(ctxcanvas, canvas->write_mode);
canvas->cxLineStyle(ctxcanvas, canvas->line_style);
canvas->cxLineWidth(ctxcanvas, canvas->line_width);
canvas->cxLineCap(ctxcanvas, canvas->line_cap);
canvas->cxLineJoin(ctxcanvas, canvas->line_join);
canvas->cxHatch(ctxcanvas, canvas->hatch_style);
if (canvas->stipple) canvas->cxStipple(ctxcanvas, canvas->stipple_w, canvas->stipple_h, canvas->stipple);
if (canvas->pattern) canvas->cxPattern(ctxcanvas, canvas->pattern_w, canvas->pattern_h, canvas->pattern);
canvas->cxInteriorStyle(ctxcanvas, canvas->interior_style);
if (canvas->native_font[0] == 0) canvas->cxFont(ctxcanvas, canvas->font_type_face, canvas->font_style, canvas->font_size);
else canvas->cxNativeFont(ctxcanvas, canvas->native_font);
canvas->cxTextAlignment(ctxcanvas, canvas->text_alignment);
canvas->cxTextOrientation(ctxcanvas, canvas->text_orientation);
if (canvas->use_matrix && canvas->cxTransform) canvas->cxTransform(ctxcanvas, canvas->matrix);
if (canvas->clip_mode == CD_CLIPAREA && canvas->cxClipArea) canvas->cxClipArea(ctxcanvas, canvas->clip_rect.xmin, canvas->clip_rect.xmax, canvas->clip_rect.ymin, canvas->clip_rect.ymax);
/* if (canvas->clip_mode == CD_CLIPAREA && canvas->cxFClipArea) canvas->cxFClipArea(ctxcanvas, canvas->clip_frect.xmin, canvas->clip_frect.xmax, canvas->clip_frect.ymin, canvas->clip_frect.ymax); */
if (canvas->clip_mode == CD_CLIPPOLYGON && canvas->clip_poly) canvas->cxPoly(ctxcanvas, CD_CLIP, canvas->clip_poly, canvas->clip_poly_n);
/* if (canvas->clip_mode == CD_CLIPPOLYGON && canvas->clip_fpoly) canvas->cxFPoly(ctxcanvas, CD_CLIP, canvas->clip_fpoly, canvas->clip_poly_n); */
if (canvas->clip_mode != CD_CLIPOFF) canvas->cxClip(ctxcanvas, canvas->clip_mode);
}
return CD_OK;
}
