Break image_from_pict() into a few subfunctions.
This commit is contained in:
Soren Sandmann Pedersen
parent
c5ef84c325
commit
a2e3614eb8
380
fb/fbpict.c
380
fb/fbpict.c
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@ -931,218 +931,222 @@ fbCompositeSrcSrc_nxn (CARD8 op,
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fbFinishAccess(pDst->pDrawable);
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}
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/*
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* Solid fill
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void
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fbCompositeSolidSrc_nxn (CARD8 op,
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PicturePtr pSrc,
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PicturePtr pMask,
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PicturePtr pDst,
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INT16 xSrc,
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INT16 ySrc,
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INT16 xMask,
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INT16 yMask,
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INT16 xDst,
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INT16 yDst,
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CARD16 width,
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CARD16 height)
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static pixman_image_t *
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create_solid_fill_image (PicturePtr pict)
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{
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PictSolidFill *solid = &pict->pSourcePict->solidFill;
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pixman_color_t color;
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CARD32 a, r, g, b;
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a = (solid->color & 0xff000000) >> 24;
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r = (solid->color & 0x00ff0000) >> 16;
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g = (solid->color & 0x0000ff00) >> 8;
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b = (solid->color & 0x000000ff) >> 0;
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color.alpha = (a << 8) | a;
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color.red = (r << 8) | r;
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color.green = (g << 8) | g;
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color.blue = (b << 8) | b;
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return pixman_image_create_solid_fill (&color);
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}
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*/
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#define SCANLINE_BUFFER_LENGTH 2048
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static pixman_image_t *
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create_linear_gradient_image (PictGradient *gradient)
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{
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PictLinearGradient *linear = (PictLinearGradient *)gradient;
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pixman_point_fixed_t p1;
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pixman_point_fixed_t p2;
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p1.x = linear->p1.x;
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p1.y = linear->p1.y;
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p2.x = linear->p2.x;
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p2.y = linear->p2.y;
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return pixman_image_create_linear_gradient (
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&p1, &p2, (pixman_gradient_stop_t *)gradient->stops, gradient->nstops);
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}
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static pixman_image_t *
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create_radial_gradient_image (PictGradient *gradient)
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{
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PictRadialGradient *radial = (PictRadialGradient *)gradient;
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pixman_point_fixed_t c1;
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pixman_point_fixed_t c2;
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c1.x = radial->c1.x;
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c1.y = radial->c1.y;
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c2.x = radial->c2.x;
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c2.y = radial->c2.y;
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return pixman_image_create_radial_gradient (
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&c1, &c2, radial->c1.radius,
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radial->c2.radius,
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(pixman_gradient_stop_t *)gradient->stops, gradient->nstops);
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}
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static pixman_image_t *
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create_conical_gradient_image (PictGradient *gradient)
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{
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PictConicalGradient *conical = (PictConicalGradient *)gradient;
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pixman_point_fixed_t center;
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center.x = conical->center.x;
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center.y = conical->center.y;
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return pixman_image_create_conical_gradient (
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¢er, conical->angle, (pixman_gradient_stop_t *)gradient->stops,
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gradient->nstops);
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}
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static pixman_image_t *
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create_bits_picture (PicturePtr pict)
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{
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FbBits *bits;
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FbStride stride;
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int bpp, xoff, yoff;
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pixman_image_t *image;
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fbGetDrawable (pict->pDrawable, bits, stride, bpp, xoff, yoff);
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bits += yoff * stride + xoff;
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image = pixman_image_create_bits (
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pict->format,
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pict->pDrawable->width, pict->pDrawable->height,
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(uint32_t *)bits, stride * sizeof (FbStride));
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#ifdef FB_ACCESS_WRAPPER
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#if FB_SHIFT==5
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pixman_image_set_accessors (image,
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(pixman_read_memory_func_t)wfbReadMemory,
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(pixman_write_memory_func_t)wfbWriteMemory);
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#else
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#error The pixman library only works when FbBits is 32 bits wide
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#endif
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#endif
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/* pCompositeClip is undefined for source pictures, so
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* only set the clip region for pictures with drawables
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*/
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pixman_image_set_clip_region (image, pict->pCompositeClip);
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fbFinishAccess (pict->pDrawable);
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return image;
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}
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static pixman_image_t *image_from_pict (PicturePtr pict);
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static void
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set_image_properties (pixman_image_t *image, PicturePtr pict)
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{
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pixman_repeat_t repeat;
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pixman_filter_t filter;
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if (pict->transform)
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{
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pixman_image_set_transform (
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image, (pixman_transform_t *)pict->transform);
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}
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switch (pict->repeatType)
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{
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default:
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case RepeatNone:
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repeat = PIXMAN_REPEAT_NONE;
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break;
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case RepeatPad:
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repeat = PIXMAN_REPEAT_PAD;
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break;
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case RepeatNormal:
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repeat = PIXMAN_REPEAT_NORMAL;
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break;
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case RepeatReflect:
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repeat = PIXMAN_REPEAT_REFLECT;
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break;
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}
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pixman_image_set_repeat (image, repeat);
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if (pict->alphaMap)
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{
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pixman_image_t *alpha_map = image_from_pict (pict->alphaMap);
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pixman_image_set_alpha_map (
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image, alpha_map, pict->alphaOrigin.x, pict->alphaOrigin.y);
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pixman_image_unref (alpha_map);
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}
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pixman_image_set_component_alpha (image, pict->componentAlpha);
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switch (pict->filter)
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{
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default:
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case PictFilterNearest:
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case PictFilterFast:
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filter = PIXMAN_FILTER_NEAREST;
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break;
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case PictFilterBilinear:
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case PictFilterGood:
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filter = PIXMAN_FILTER_BILINEAR;
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break;
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case PictFilterConvolution:
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filter = PIXMAN_FILTER_CONVOLUTION;
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break;
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}
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pixman_image_set_filter (image, filter, (pixman_fixed_t *)pict->filter_params, pict->filter_nparams);
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}
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static pixman_image_t *
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image_from_pict (PicturePtr pict)
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{
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pixman_image_t *result = NULL;
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pixman_image_t *image = NULL;
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if (!pict)
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return NULL;
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if (pict->pSourcePict)
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if (pict->pDrawable)
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{
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SourcePictPtr sp = pict->pSourcePict;
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image = create_bits_picture (pict);
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}
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else if (pict->pSourcePict)
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{
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SourcePict *sp = pict->pSourcePict;
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if (sp->type == SourcePictTypeSolidFill)
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{
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PictSolidFill *solid = &pict->pSourcePict->solidFill;
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pixman_color_t color;
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CARD32 a, r, g, b;
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a = (solid->color & 0xff000000) >> 24;
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r = (solid->color & 0x00ff0000) >> 16;
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g = (solid->color & 0x0000ff00) >> 8;
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b = (solid->color & 0x000000ff) >> 0;
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color.alpha = (a << 8) | a;
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color.red = (r << 8) | r;
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color.green = (g << 8) | g;
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color.blue = (b << 8) | b;
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result = pixman_image_create_solid_fill (&color);
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image = create_solid_fill_image (pict);
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}
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else
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{
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PictGradient *gradient = &pict->pSourcePict->gradient;
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if (sp->type == SourcePictTypeLinear)
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{
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PictLinearGradient *linear = &pict->pSourcePict->linear;
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pixman_point_fixed_t p1;
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pixman_point_fixed_t p2;
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p1.x = linear->p1.x;
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p1.y = linear->p1.y;
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p2.x = linear->p2.x;
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p2.y = linear->p2.y;
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result = pixman_image_create_linear_gradient (
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&p1, &p2, (pixman_gradient_stop_t *)gradient->stops, gradient->nstops);
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}
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image = create_linear_gradient_image (gradient);
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else if (sp->type == SourcePictTypeRadial)
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{
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PictRadialGradient *radial = &pict->pSourcePict->radial;
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pixman_point_fixed_t c1;
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pixman_point_fixed_t c2;
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c1.x = radial->c1.x;
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c1.y = radial->c1.y;
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c2.x = radial->c2.x;
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c2.y = radial->c2.y;
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result = pixman_image_create_radial_gradient (
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&c1, &c2, radial->c1.radius,
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radial->c2.radius,
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(pixman_gradient_stop_t *)gradient->stops, gradient->nstops);
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}
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image = create_radial_gradient_image (gradient);
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else if (sp->type == SourcePictTypeConical)
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{
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PictConicalGradient *conical = &pict->pSourcePict->conical;
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pixman_point_fixed_t center;
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center.x = conical->center.x;
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center.y = conical->center.y;
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result = pixman_image_create_conical_gradient (
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¢er, conical->angle, (pixman_gradient_stop_t *)gradient->stops,
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gradient->nstops);
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}
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else
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{
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/* Shouldn't happen */
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result = NULL;
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}
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image = create_conical_gradient_image (gradient);
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}
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}
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else if (pict->pDrawable)
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{
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FbBits *bits;
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FbStride stride;
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int bpp, xoff, yoff;
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fbGetDrawable (pict->pDrawable, bits, stride, bpp, xoff, yoff);
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bits += yoff * stride + xoff;
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result = pixman_image_create_bits (
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pict->format,
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pict->pDrawable->width, pict->pDrawable->height,
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(uint32_t *)bits, stride * sizeof (FbStride));
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#ifdef FB_ACCESS_WRAPPER
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#if FB_SHIFT==5
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pixman_image_set_accessors (
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result,
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(pixman_read_memory_func_t)wfbReadMemory,
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(pixman_write_memory_func_t)wfbWriteMemory);
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#else
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#error The pixman library only works with sizeof (FbBits) == 5
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#endif
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#endif
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/* pCompositeClip is undefined for source pictures, so
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* only set the clip region for pictures with drawables
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*/
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pixman_image_set_clip_region (
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result, pict->pCompositeClip);
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fbFinishAccess (pict->pDrawable);
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}
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if (result)
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{
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pixman_repeat_t repeat;
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pixman_filter_t filter;
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if (pict->transform)
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{
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pixman_image_set_transform (
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result, (pixman_transform_t *)pict->transform);
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}
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switch (pict->repeatType)
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{
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default:
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case RepeatNone:
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repeat = PIXMAN_REPEAT_NONE;
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break;
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case RepeatPad:
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repeat = PIXMAN_REPEAT_PAD;
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break;
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case RepeatNormal:
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repeat = PIXMAN_REPEAT_NORMAL;
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break;
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case RepeatReflect:
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repeat = PIXMAN_REPEAT_REFLECT;
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break;
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}
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pixman_image_set_repeat (result, repeat);
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if (pict->alphaMap)
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{
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pixman_image_t *alpha_map = image_from_pict (pict->alphaMap);
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pixman_image_set_alpha_map (
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result, alpha_map, pict->alphaOrigin.x, pict->alphaOrigin.y);
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pixman_image_unref (alpha_map);
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}
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pixman_image_set_component_alpha (result, pict->componentAlpha);
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switch (pict->filter)
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{
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default:
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case PictFilterNearest:
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case PictFilterFast:
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filter = PIXMAN_FILTER_NEAREST;
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break;
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case PictFilterBilinear:
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case PictFilterGood:
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filter = PIXMAN_FILTER_BILINEAR;
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break;
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case PictFilterConvolution:
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filter = PIXMAN_FILTER_CONVOLUTION;
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break;
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}
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pixman_image_set_filter (result, filter, (pixman_fixed_t *)pict->filter_params, pict->filter_nparams);
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}
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return result;
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if (image)
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set_image_properties (image, pict);
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return image;
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}
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static void
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@ -1180,6 +1184,8 @@ out:
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}
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#if 0
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#define SCANLINE_BUFFER_LENGTH 2048
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static void
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oldfbCompositeRectWrapper (CARD8 op,
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PicturePtr pSrc,
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