Attachment 80327 Details for Bug 152730

simple test program trying to mimic what OOo does

my-test.c (text/x-csrc), 2.33 KB, created by Radek Doulik on 2006-04-26 16:13:40 UTC

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Filename:

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Creator: Radek Doulik

Created: 2006-04-26 16:13:40 UTC

Size: 2.33 KB

patch

obsolete

>#include <stdio.h>
>#include <X11/Xlib.h>
>
>#include <cairo/cairo.h>
>#include <cairo/cairo-xlib.h>
>
>cairo_pattern_t *
>cairo_test_create_pattern_from_png (const char *filename)
>{
>    cairo_surface_t *image;
>    cairo_pattern_t *pattern;
>
>    image = cairo_image_surface_create_from_png (filename);
>
>    pattern = cairo_pattern_create_for_surface (image);
>
>    cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
>
>    cairo_surface_destroy (image);
>
>    return pattern;
>}
>
>static void
>do_test (cairo_surface_t *surface, cairo_surface_t *image)
>{
>	cairo_t *cr, *cr_img;
>	cairo_pattern_t* pattern;
>	cairo_surface_t* surface_img;
>
>	cr = cairo_create (surface);
>    pattern = cairo_pattern_create_for_surface (image);
>    cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
>
>	cairo_set_source_rgba (cr, 1.0, 1.0, 0.0, 0.5);
>	cairo_rectangle (cr, 50, 50, 300, 300);
>	cairo_fill (cr);
>
>	surface_img = cairo_surface_create_similar (surface, CAIRO_CONTENT_COLOR_ALPHA, 200, 200);
>	cr_img = cairo_create (surface_img);
>
>	cairo_rectangle (cr_img, 0, 0, 200, 200);
>	cairo_scale (cr_img, .5, .5);
>	cairo_set_source (cr_img, pattern);
>	cairo_fill (cr_img);
>
>	cairo_set_source_surface (cr, surface_img, 100, 100);
>	cairo_paint_with_alpha (cr, 0.5);
>}
>
>int
>main()
>{
>    Display *dpy;
>    Drawable drawable;
>    int screen;
>    cairo_surface_t *surface, *surface_bs;
>	cairo_t* cr;
>	int width = 600;
>	int height = 450;
>	XSetWindowAttributes xwa;
>	cairo_surface_t* image;
>
>    dpy = XOpenDisplay (NULL);
>	screen = DefaultScreen (dpy);
>    if (!dpy)
>		return 1;
>
>	image = cairo_image_surface_create_from_png ("water.png");
>
>	xwa.override_redirect = True;
>	drawable = XCreateWindow (dpy, DefaultRootWindow (dpy),
>							  0, 0, width, height, 0,
>							  DefaultDepth (dpy, screen), InputOutput,
>							  DefaultVisual (dpy, screen),
>							  CWOverrideRedirect, &xwa);
>	XMapWindow (dpy, drawable);
>
>    surface = cairo_xlib_surface_create (dpy,
>										 drawable,
>										 DefaultVisual (dpy, screen),
>										 width, height);
>
>	surface_bs = cairo_surface_create_similar (surface, CAIRO_CONTENT_COLOR, width, height);
>	do_test (surface_bs, image);
>
>	cr = cairo_create (surface);
>	cairo_set_source_surface (cr, surface_bs, 0, 0);
>	cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
>	cairo_paint (cr);
>
>	XFlush (dpy);
>	XSync (dpy, 0);
>	getchar ();
>
>    XCloseDisplay (dpy);
>    
>    return 0;
>}

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Attachments on bug 152730: 69731 | 69732 | 69734 | 69735 | 69742 | 70149 | 75710 | 75712 | 79183 | 79184 | 80327 | 80328 | 80454 | 80492 | 80595 | 81265 | 81340 | 82989