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[cairo-meta/analysis-surface] Make width/height of -1,-1 mean unbounded surface

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This commit is contained in:
Behdad Esfahbod 2008-05-09 15:25:40 +02:00
parent a6eb9be106
commit af1e168bbb
2 changed files with 14 additions and 4 deletions
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15
src/cairo-analysis-surface.c
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@ -673,10 +673,17 @@ _cairo_analysis_surface_create (cairo_surface_t *target,
_cairo_region_init (&surface->supported_region);
_cairo_region_init (&surface->fallback_region);
surface->current_clip.x = 0;
surface->current_clip.y = 0;
surface->current_clip.width = width;
surface->current_clip.height = height;
if (width == -1 && height == -1) {
surface->current_clip.x = CAIRO_RECT_INT_MIN;
surface->current_clip.y = CAIRO_RECT_INT_MIN;
surface->current_clip.width = CAIRO_RECT_INT_MAX - CAIRO_RECT_INT_MIN;
surface->current_clip.height = CAIRO_RECT_INT_MAX - CAIRO_RECT_INT_MIN;
} else {
surface->current_clip.x = 0;
surface->current_clip.y = 0;
surface->current_clip.width = width;
surface->current_clip.height = height;
}
return &surface->base;
}

3
src/cairo-meta-surface.c
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@ -570,6 +570,9 @@ _cairo_meta_surface_get_extents (void *abstract_surface,
{
cairo_meta_surface_t *surface = abstract_surface;
if (surface->width_pixels == -1 && surface->height_pixels == -1)
return CAIRO_INT_STATUS_UNSUPPORTED;
rectangle->x = 0;
rectangle->y = 0;
rectangle->width = surface->width_pixels;