コード例 #1
0
ファイル: operator-alpha-alpha.c プロジェクト: ghub/NVprSDK
static void
subdraw (cairo_t *cr, int width, int height)
{
    size_t i = 0;
    cairo_operator_t op;
    cairo_t *bgcr, *fgcr;
    cairo_surface_t *bg, *fg;

    bg = cairo_surface_create_similar (cairo_get_target (cr),
	    CAIRO_CONTENT_COLOR_ALPHA, SIZE * STEPS, SIZE * STEPS);
    fg = cairo_surface_create_similar (cairo_get_target (cr),
	    CAIRO_CONTENT_COLOR_ALPHA, SIZE * STEPS, SIZE * STEPS);
    bgcr = cairo_create (bg);
    fgcr = cairo_create (fg);
    cairo_scale (bgcr, SIZE, SIZE);
    cairo_scale (fgcr, SIZE, SIZE);
    create_patterns (bgcr, fgcr);
    cairo_destroy (bgcr);
    cairo_destroy (fgcr);

    for (op = START_OPERATOR; op <= STOP_OPERATOR; op++, i++) {
	cairo_save (cr);
	cairo_translate (cr,
		SIZE * (STEPS + 1) * (i % COUNT),
		SIZE * (STEPS + 1) * (i / COUNT));
	cairo_rectangle (cr, 0, 0, SIZE * (STEPS + 1), SIZE * (STEPS+1));
	cairo_clip (cr);
	do_composite (cr, op, bg, fg);
	cairo_restore (cr);
    }

    cairo_surface_destroy (fg);
    cairo_surface_destroy (bg);
}
コード例 #2
0
GlyphToType3::GlyphToType3(TTStreamWriter& stream, struct TTFONT *font, int charindex, bool embedded /* = false */)
{
    BYTE *glyph;

    tt_flags = NULL;
    xcoor = NULL;
    ycoor = NULL;
    epts_ctr = NULL;
    area_ctr = NULL;
    check_ctr = NULL;
    ctrset = NULL;
    stack_depth = 0;
    pdf_mode = font->target_type < 0;

    /* Get a pointer to the data. */
    glyph = find_glyph_data( font, charindex );

    /* If the character is blank, it has no bounding box, */
    /* otherwise read the bounding box. */
    if ( glyph == (BYTE*)NULL )
    {
        llx=lly=urx=ury=0;      /* A blank char has an all zero BoundingBox */
        num_ctr=0;              /* Set this for later if()s */
    }
    else
    {
        /* Read the number of contours. */
        num_ctr = getSHORT(glyph);

        /* Read PostScript bounding box. */
        llx = getFWord(glyph + 2);
        lly = getFWord(glyph + 4);
        urx = getFWord(glyph + 6);
        ury = getFWord(glyph + 8);

        /* Advance the pointer. */
        glyph += 10;
    }

    /* If it is a simple character, load its data. */
    if (num_ctr > 0)
    {
        load_char(font, glyph);
    }
    else
    {
        num_pts=0;
    }

    /* Consult the horizontal metrics table to determine */
    /* the character width. */
    if ( charindex < font->numberOfHMetrics )
    {
        advance_width = getuFWord( font->hmtx_table + (charindex * 4) );
    }
    else
    {
        advance_width = getuFWord( font->hmtx_table + ((font->numberOfHMetrics-1) * 4) );
    }

    /* Execute setcachedevice in order to inform the font machinery */
    /* of the character bounding box and advance width. */
    stack(stream, 7);
    if (pdf_mode)
    {
        if (!embedded) {
            stream.printf("%d 0 %d %d %d %d d1\n",
                          topost(advance_width),
                          topost(llx), topost(lly), topost(urx), topost(ury) );
        }
    }
    else if (font->target_type == PS_TYPE_42_3_HYBRID)
    {
        stream.printf("pop gsave .001 .001 scale %d 0 %d %d %d %d setcachedevice\n",
                      topost(advance_width),
                      topost(llx), topost(lly), topost(urx), topost(ury) );
    }
    else
    {
        stream.printf("%d 0 %d %d %d %d _sc\n",
                      topost(advance_width),
                      topost(llx), topost(lly), topost(urx), topost(ury) );
    }

    /* If it is a simple glyph, convert it, */
    /* otherwise, close the stack business. */
    if ( num_ctr > 0 )          /* simple */
    {
        PSConvert(stream);
    }
    else if ( num_ctr < 0 )     /* composite */
    {
        do_composite(stream, font, glyph);
    }

    if (font->target_type == PS_TYPE_42_3_HYBRID)
    {
        stream.printf("\ngrestore\n");
    }

    stack_end(stream);
}
コード例 #3
0
/* Test a composite of a given operation, source, and destination picture.  */
Bool
blend_test(Display *dpy, picture_info *win, picture_info *dst,
	   const int *op, int num_op,
	   const picture_info **src_color, int num_src,
	   const picture_info **dst_color, int num_dst)
{
	color4d expected, tested, tdst;
	char testname[20];
	int i, j, k, y, iter;
	int page, num_pages;

	/* If the window is smaller than the number of sources to test,
	 * we need to break the sources up into pages.
	 *
	 * We however assume that the window will always be wider than num_ops.
	 */
	num_pages = num_src / win_height + 1;

	k = y = 0;
	while (k < num_dst) {
	    XImage *image;
	    int k0 = k, k1 = k;
	    int this_src, rem_src;

	    rem_src = num_src;
	    for (page = 0; page < num_pages; page++) {
		    this_src = rem_src / (num_pages - page);
		    for (iter = 0; iter < pixmap_move_iter; iter++) {
			    k1 = k0;
			    y = 0;
			    while (k1 < num_dst && y + this_src <= win_height) {
				    XRenderComposite(dpy, PictOpSrc,
						     dst_color[k1++]->pict, 0, dst->pict,
						     0, 0,
						     0, 0,
						     0, y,
						     num_op, this_src);
				    for (j = 0; j < this_src; j++) {
					    for (i = 0; i < num_op; i++) {
						    XRenderComposite(dpy, ops[op[i]].op,
								     src_color[j]->pict, 0, dst->pict,
								     0, 0,
								     0, 0,
								     i, y,
								     1, 1);
					    }
					    y++;
				    }
			    }
		    }

		    image = XGetImage(dpy, dst->d,
				      0, 0, num_ops, y,
				      0xffffffff, ZPixmap);
		    copy_pict_to_win(dpy, dst, win, win_width, win_height);

		    y = 0;
		    for (k = k0; k < k1; k++) {
			    XRenderDirectFormat dst_acc;

			    accuracy(&dst_acc,
				     &dst->format->direct,
				     &dst_color[k]->format->direct);

			    tdst = dst_color[k]->color;
			    color_correct(dst, &tdst);

			    for (j = 0; j < this_src; j++) {
				    XRenderDirectFormat acc;

				    accuracy(&acc, &src_color[j]->format->direct, &dst_acc);

				    for (i = 0; i < num_op; i++) {
					    get_pixel_from_image(image, dst, i, y, &tested);

					    do_composite(ops[op[i]].op,
							 &src_color[j]->color,
							 NULL,
							 &tdst,
							 &expected,
							 FALSE);
					    color_correct(dst, &expected);

					    if (eval_diff(&acc, &expected, &tested) > 3.) {
						    char *srcformat;

						    snprintf(testname, 20, "%s blend", ops[op[i]].name);
						    describe_format(&srcformat, NULL, src_color[j]->format);
						    print_fail(testname, &expected, &tested, 0, 0,
							       eval_diff(&acc, &expected, &tested));
						    printf("src color: %.2f %.2f %.2f %.2f (%s)\n"
							   "dst color: %.2f %.2f %.2f %.2f\n",
							   src_color[j]->color.r, src_color[j]->color.g,
							   src_color[j]->color.b, src_color[j]->color.a,
							   srcformat,
							   dst_color[k]->color.r,
							   dst_color[k]->color.g,
							   dst_color[k]->color.b,
							   dst_color[k]->color.a);
						    printf("src: %s, dst: %s\n", src_color[j]->name, dst->name);
						    free(srcformat);
						    return FALSE;
					    }
				    }
				    y++;
			    }
		    }

		    XDestroyImage(image);
		    rem_src -= this_src;
	    }
	}

	return TRUE;
}
コード例 #4
0
ファイル: tolerance-test.c プロジェクト: Distrotech/pixman
static pixman_bool_t
verify (int test_no,
        pixman_op_t op,
        pixman_image_t *source,
	pixman_image_t *mask,
        pixman_image_t *dest,
        pixman_image_t *orig_dest,
        int x, int y,
        int width, int height,
	pixman_bool_t component_alpha)
{
    pixel_checker_t dest_checker, src_checker, mask_checker;
    int i, j;

    pixel_checker_init (&src_checker, source->bits.format);
    pixel_checker_init (&dest_checker, dest->bits.format);
    pixel_checker_init (&mask_checker, mask->bits.format);

    assert (dest->bits.format == orig_dest->bits.format);

    for (j = y; j < y + height; ++j)
    {
        for (i = x; i < x + width; ++i)
        {
            color_t src_color, mask_color, orig_dest_color, result;
            uint32_t dest_pixel, orig_dest_pixel, src_pixel, mask_pixel;

            access (dest, i, j, &dest_pixel);

	    get_color (&src_checker,
		       source, i - x, j - y,
		       &src_color, &src_pixel);

	    get_color (&mask_checker,
		       mask, i - x, j - y,
		       &mask_color, &mask_pixel);

	    get_color (&dest_checker, 
		       orig_dest, i, j,
		       &orig_dest_color, &orig_dest_pixel);

	    do_composite (op, 
			  &src_color, &mask_color, &orig_dest_color,
			  &result, component_alpha);

            if (!pixel_checker_check (&dest_checker, dest_pixel, &result))
            {
                int a, r, g, b;

                printf ("--------- Test 0x%x failed ---------\n", test_no);
                
                printf ("   operator:         %s (%s alpha)\n", operator_name (op),
			component_alpha? "component" : "unified");
                printf ("   dest_x, dest_y:   %d %d\n", x, y);
                printf ("   width, height:    %d %d\n", width, height);
                printf ("   source:           format: %-14s  size: %2d x %2d\n",
                        format_name (source->bits.format),
			source->bits.width, source->bits.height);
                printf ("   mask:             format: %-14s  size: %2d x %2d\n",
                        format_name (mask->bits.format),
			mask->bits.width, mask->bits.height);
                printf ("   dest:             format: %-14s  size: %2d x %2d\n",
                        format_name (dest->bits.format),
			dest->bits.width, dest->bits.height);
                printf ("   -- Failed pixel: (%d, %d) --\n", i, j);
                printf ("   source ARGB:      %f  %f  %f  %f   (pixel: %x)\n",
                        src_color.a, src_color.r, src_color.g, src_color.b,
                        src_pixel);
                printf ("   mask ARGB:        %f  %f  %f  %f   (pixel: %x)\n",
                        mask_color.a, mask_color.r, mask_color.g, mask_color.b,
                        mask_pixel);
                printf ("   dest ARGB:        %f  %f  %f  %f   (pixel: %x)\n",
                        orig_dest_color.a, orig_dest_color.r, orig_dest_color.g, orig_dest_color.b,
                        orig_dest_pixel);
                printf ("   expected ARGB:    %f  %f  %f  %f\n",
                        result.a, result.r, result.g, result.b);

                pixel_checker_get_min (&dest_checker, &result, &a, &r, &g, &b);
                printf ("   min acceptable:   %8d  %8d  %8d  %8d\n", a, r, g, b);

                pixel_checker_split_pixel (&dest_checker, dest_pixel, &a, &r, &g, &b);
                printf ("   got:              %8d  %8d  %8d  %8d   (pixel: %x)\n", a, r, g, b, dest_pixel);
                
                pixel_checker_get_max (&dest_checker, &result, &a, &r, &g, &b);
                printf ("   max acceptable:   %8d  %8d  %8d  %8d\n", a, r, g, b);
		printf ("\n");
		printf ("    { %s,\n", operator_name (op));
		printf ("      PIXMAN_%s,\t0x%x,\n", format_name (source->bits.format), src_pixel);
		printf ("      PIXMAN_%s,\t0x%x,\n", format_name (mask->bits.format), mask_pixel);
		printf ("      PIXMAN_%s,\t0x%x\n", format_name (dest->bits.format), orig_dest_pixel);
		printf ("    },\n");
                return FALSE;
            }
        }
    }

    return TRUE;
}
コード例 #5
0
static pixman_bool_t
verify (int test_no, const pixel_combination_t *combination, int size)
{
    pixman_image_t *src, *dest;
    pixel_checker_t src_checker, dest_checker;
    color_t source_color, dest_color, reference_color;
    pixman_bool_t result = TRUE;
    int i, j;

    /* Compute reference color */
    pixel_checker_init (&src_checker, combination->src_format);
    pixel_checker_init (&dest_checker, combination->dest_format);
    pixel_checker_convert_pixel_to_color (
	&src_checker, combination->src_pixel, &source_color);
    pixel_checker_convert_pixel_to_color (
	&dest_checker, combination->dest_pixel, &dest_color);
    do_composite (combination->op,
		  &source_color, NULL, &dest_color,
		  &reference_color, FALSE);

    src = pixman_image_create_bits (
	combination->src_format, size, size, NULL, -1);
    dest = pixman_image_create_bits (
	combination->dest_format, size, size, NULL, -1);

    fill (src, combination->src_pixel);
    fill (dest, combination->dest_pixel);

    pixman_image_composite32 (
	combination->op, src, NULL, dest, 0, 0, 0, 0, 0, 0, size, size);

    for (j = 0; j < size; ++j)
    {
	for (i = 0; i < size; ++i)
	{
	    uint32_t computed = access (dest, i, j);
	    int32_t a, r, g, b;

	    if (!pixel_checker_check (&dest_checker, computed, &reference_color))
	    {
		printf ("----------- Test %d failed ----------\n", test_no);

		printf ("   operator:         %s\n", operator_name (combination->op));
		printf ("   src format:       %s\n", format_name (combination->src_format));
		printf ("   dest format:      %s\n", format_name (combination->dest_format));
                printf (" - source ARGB:      %f  %f  %f  %f   (pixel: %8x)\n",
                        source_color.a, source_color.r, source_color.g, source_color.b,
                        combination->src_pixel);
		pixel_checker_split_pixel (&src_checker, combination->src_pixel,
					   &a, &r, &g, &b);
                printf ("                     %8d  %8d  %8d  %8d\n", a, r, g, b);

                printf (" - dest ARGB:        %f  %f  %f  %f   (pixel: %8x)\n",
                        dest_color.a, dest_color.r, dest_color.g, dest_color.b,
                        combination->dest_pixel);
		pixel_checker_split_pixel (&dest_checker, combination->dest_pixel,
					   &a, &r, &g, &b);
                printf ("                     %8d  %8d  %8d  %8d\n", a, r, g, b);

                pixel_checker_split_pixel (&dest_checker, computed, &a, &r, &g, &b);
                printf (" - expected ARGB:    %f  %f  %f  %f\n",
                        reference_color.a, reference_color.r, reference_color.g, reference_color.b);

                pixel_checker_get_min (&dest_checker, &reference_color, &a, &r, &g, &b);
                printf ("   min acceptable:   %8d  %8d  %8d  %8d\n", a, r, g, b);

                pixel_checker_split_pixel (&dest_checker, computed, &a, &r, &g, &b);
                printf ("   got:              %8d  %8d  %8d  %8d   (pixel: %8x)\n", a, r, g, b, computed);

                pixel_checker_get_max (&dest_checker, &reference_color, &a, &r, &g, &b);
                printf ("   max acceptable:   %8d  %8d  %8d  %8d\n", a, r, g, b);

		result = FALSE;
		goto done;
	    }
	}
    }

done:
    pixman_image_unref (src);
    pixman_image_unref (dest);

    return result;
}