add cairo

1 files changed, 545 insertions, 0 deletions

diff --git a/libs/cairo-1.16.0/src/cairo-directfb-surface.c b/libs/cairo-1.16.0/src/cairo-directfb-surface.c
new file mode 100644
index 0000000..0deedf0
--- /dev/null
+++ b/libs/cairo-1.16.0/src/cairo-directfb-surface.c
@@ -0,0 +1,545 @@
+/* cairo - a vector graphics library with display and print output
+ *
+ * Copyright © 2012 Intel Corporation
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it either under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation
+ * (the "LGPL") or, at your option, under the terms of the Mozilla
+ * Public License Version 1.1 (the "MPL"). If you do not alter this
+ * notice, a recipient may use your version of this file under either
+ * the MPL or the LGPL.
+ *
+ * You should have received a copy of the LGPL along with this library
+ * in the file COPYING-LGPL-2.1; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
+ * You should have received a copy of the MPL along with this library
+ * in the file COPYING-MPL-1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
+ * OF ANY KIND, either express or implied. See the LGPL or the MPL for
+ * the specific language governing rights and limitations.
+ *
+ * The Original Code is the cairo graphics library.
+ *
+ * The Initial Developer of the Original Code is Chris Wilson
+ *
+ * Contributor(s):
+ *    Chris Wilson <chris@chris-wilson.co.uk>
+ */
+
+#include "cairoint.h"
+#include "cairo-directfb.h"
+
+#include "cairo-clip-private.h"
+#include "cairo-compositor-private.h"
+#include "cairo-default-context-private.h"
+#include "cairo-error-private.h"
+#include "cairo-image-surface-inline.h"
+#include "cairo-pattern-private.h"
+#include "cairo-surface-backend-private.h"
+#include "cairo-surface-fallback-private.h"
+
+#include <pixman.h>
+
+#include <directfb.h>
+#include <direct/types.h>
+#include <direct/debug.h>
+#include <direct/memcpy.h>
+#include <direct/util.h>
+
+slim_hidden_proto(cairo_directfb_surface_create);
+
+typedef struct _cairo_dfb_surface {
+    cairo_image_surface_t image;
+
+    IDirectFB			*dfb;
+    IDirectFBSurface		*dfb_surface;
+
+    unsigned             blit_premultiplied : 1;
+} cairo_dfb_surface_t;
+
+static cairo_content_t
+_directfb_format_to_content (DFBSurfacePixelFormat format)
+{
+    cairo_content_t content = 0;
+
+    if (DFB_PIXELFORMAT_HAS_ALPHA (format))
+	content |= CAIRO_CONTENT_ALPHA;
+    if (DFB_COLOR_BITS_PER_PIXEL (format))
+	content |= CAIRO_CONTENT_COLOR_ALPHA;
+
+    assert(content);
+    return content;
+}
+
+static inline pixman_format_code_t
+_directfb_to_pixman_format (DFBSurfacePixelFormat format)
+{
+    switch (format) {
+    case DSPF_UNKNOWN: return 0;
+    case DSPF_ARGB1555: return PIXMAN_a1r5g5b5;
+    case DSPF_RGB16: return PIXMAN_r5g6b5;
+    case DSPF_RGB24: return PIXMAN_r8g8b8;
+    case DSPF_RGB32: return PIXMAN_x8r8g8b8;
+    case DSPF_ARGB: return PIXMAN_a8r8g8b8;
+    case DSPF_A8: return PIXMAN_a8;
+    case DSPF_YUY2: return PIXMAN_yuy2;
+    case DSPF_RGB332: return PIXMAN_r3g3b2;
+    case DSPF_UYVY: return 0;
+    case DSPF_I420: return 0;
+    case DSPF_YV12: return PIXMAN_yv12;
+    case DSPF_LUT8: return 0;
+    case DSPF_ALUT44: return 0;
+    case DSPF_AiRGB: return 0;
+    case DSPF_A1: return 0; /* bit reversed, oops */
+    case DSPF_NV12: return 0;
+    case DSPF_NV16: return 0;
+    case DSPF_ARGB2554: return 0;
+    case DSPF_ARGB4444: return PIXMAN_a4r4g4b4;
+    case DSPF_NV21: return 0;
+    case DSPF_AYUV: return 0;
+    case DSPF_A4: return PIXMAN_a4;
+    case DSPF_ARGB1666: return 0;
+    case DSPF_ARGB6666: return 0;
+    case DSPF_RGB18: return 0;
+    case DSPF_LUT2: return 0;
+    case DSPF_RGB444: return PIXMAN_x4r4g4b4;
+    case DSPF_RGB555: return PIXMAN_x1r5g5b5;
+#if DFB_NUM_PIXELFORMATS >= 29
+    case DSPF_BGR555: return PIXMAN_x1b5g5r5;
+#endif
+    }
+    return 0;
+}
+
+static cairo_surface_t *
+_cairo_dfb_surface_create_similar (void            *abstract_src,
+				   cairo_content_t  content,
+				   int              width,
+				   int              height)
+{
+    cairo_dfb_surface_t *other  = abstract_src;
+    DFBSurfacePixelFormat     format;
+    IDirectFBSurface      *buffer;
+    DFBSurfaceDescription  dsc;
+    cairo_surface_t *surface;
+
+    if (width <= 0 || height <= 0)
+	return _cairo_image_surface_create_with_content (content, width, height);
+
+    switch (content) {
+    default:
+	ASSERT_NOT_REACHED;
+    case CAIRO_CONTENT_COLOR_ALPHA:
+	format = DSPF_ARGB;
+	break;
+    case CAIRO_CONTENT_COLOR:
+	format = DSPF_RGB32;
+	break;
+    case CAIRO_CONTENT_ALPHA:
+	format = DSPF_A8;
+	break;
+    }
+
+    dsc.flags       = DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT;
+    dsc.caps        = DSCAPS_PREMULTIPLIED;
+    dsc.width       = width;
+    dsc.height      = height;
+    dsc.pixelformat = format;
+
+    if (other->dfb->CreateSurface (other->dfb, &dsc, &buffer))
+	return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_DEVICE_ERROR));
+
+    surface = cairo_directfb_surface_create (other->dfb, buffer);
+    buffer->Release (buffer);
+
+    return surface;
+}
+
+static cairo_status_t
+_cairo_dfb_surface_finish (void *abstract_surface)
+{
+    cairo_dfb_surface_t *surface = abstract_surface;
+
+    surface->dfb_surface->Release (surface->dfb_surface);
+    return _cairo_image_surface_finish (abstract_surface);
+}
+
+static cairo_image_surface_t *
+_cairo_dfb_surface_map_to_image (void *abstract_surface,
+				 const cairo_rectangle_int_t *extents)
+{
+    cairo_dfb_surface_t *surface = abstract_surface;
+
+    if (surface->image.pixman_image == NULL) {
+	IDirectFBSurface *buffer = surface->dfb_surface;
+	pixman_image_t *image;
+	void *data;
+	int pitch;
+
+	if (buffer->Lock (buffer, DSLF_READ | DSLF_WRITE, &data, &pitch))
+	    return _cairo_image_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
+
+	image = pixman_image_create_bits (surface->image.pixman_format,
+					  surface->image.width,
+					  surface->image.height,
+					  data, pitch);
+	if (image == NULL) {
+	    buffer->Unlock (buffer);
+	    return _cairo_image_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
+	}
+	_cairo_image_surface_init (&surface->image, image, surface->image.pixman_format);
+    }
+
+    return _cairo_image_surface_map_to_image (&surface->image.base, extents);
+}
+
+static cairo_int_status_t
+_cairo_dfb_surface_unmap_image (void *abstract_surface,
+				cairo_image_surface_t *image)
+{
+    cairo_dfb_surface_t *surface = abstract_surface;
+    return _cairo_image_surface_unmap_image (&surface->image.base, image);
+}
+
+static cairo_status_t
+_cairo_dfb_surface_flush (void *abstract_surface,
+			  unsigned flags)
+{
+    cairo_dfb_surface_t *surface = abstract_surface;
+
+    if (flags)
+	return CAIRO_STATUS_SUCCESS;
+
+    if (surface->image.pixman_image) {
+	surface->dfb_surface->Unlock (surface->dfb_surface);
+
+	pixman_image_unref (surface->image.pixman_image);
+	surface->image.pixman_image = NULL;
+	surface->image.data = NULL;
+    }
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+#if 0
+static inline DFBSurfacePixelFormat
+_directfb_from_pixman_format (pixman_format_code_t format)
+{
+    switch ((int) format) {
+    case PIXMAN_a1r5g5b5: return DSPF_ARGB1555;
+    case PIXMAN_r5g6b5: return DSPF_RGB16;
+    case PIXMAN_r8g8b8: return DSPF_RGB24;
+    case PIXMAN_x8r8g8b8: return DSPF_RGB32;
+    case PIXMAN_a8r8g8b8: return DSPF_ARGB;
+    case PIXMAN_a8: return DSPF_A8;
+    case PIXMAN_yuy2: return DSPF_YUY2;
+    case PIXMAN_r3g3b2: return DSPF_RGB332;
+    case PIXMAN_yv12: return DSPF_YV12;
+    case PIXMAN_a1: return DSPF_A1; /* bit reversed, oops */
+    case PIXMAN_a4r4g4b4: return DSPF_ARGB4444;
+    case PIXMAN_a4: return DSPF_A4;
+    case PIXMAN_x4r4g4b4: return DSPF_RGB444;
+    case PIXMAN_x1r5g5b5: return DSPF_RGB555;
+#if DFB_NUM_PIXELFORMATS >= 29
+    case PIXMAN_x1b5g5r5: return DSPF_BGR555;
+#endif
+    default: return 0;
+    }
+}
+
+static cairo_bool_t
+_directfb_get_operator (cairo_operator_t         operator,
+                        DFBSurfaceBlendFunction *ret_srcblend,
+                        DFBSurfaceBlendFunction *ret_dstblend)
+{
+    DFBSurfaceBlendFunction srcblend = DSBF_ONE;
+    DFBSurfaceBlendFunction dstblend = DSBF_ZERO;
+
+    switch (operator) {
+    case CAIRO_OPERATOR_CLEAR:
+	srcblend = DSBF_ZERO;
+	dstblend = DSBF_ZERO;
+	break;
+    case CAIRO_OPERATOR_SOURCE:
+	srcblend = DSBF_ONE;
+	dstblend = DSBF_ZERO;
+	break;
+    case CAIRO_OPERATOR_OVER:
+	srcblend = DSBF_ONE;
+	dstblend = DSBF_INVSRCALPHA;
+	break;
+    case CAIRO_OPERATOR_IN:
+	srcblend = DSBF_DESTALPHA;
+	dstblend = DSBF_ZERO;
+	break;
+    case CAIRO_OPERATOR_OUT:
+	srcblend = DSBF_INVDESTALPHA;
+	dstblend = DSBF_ZERO;
+	break;
+    case CAIRO_OPERATOR_ATOP:
+	srcblend = DSBF_DESTALPHA;
+	dstblend = DSBF_INVSRCALPHA;
+	break;
+    case CAIRO_OPERATOR_DEST:
+	srcblend = DSBF_ZERO;
+	dstblend = DSBF_ONE;
+	break;
+    case CAIRO_OPERATOR_DEST_OVER:
+	srcblend = DSBF_INVDESTALPHA;
+	dstblend = DSBF_ONE;
+	break;
+    case CAIRO_OPERATOR_DEST_IN:
+	srcblend = DSBF_ZERO;
+	dstblend = DSBF_SRCALPHA;
+	break;
+    case CAIRO_OPERATOR_DEST_OUT:
+	srcblend = DSBF_ZERO;
+	dstblend = DSBF_INVSRCALPHA;
+	break;
+    case CAIRO_OPERATOR_DEST_ATOP:
+	srcblend = DSBF_INVDESTALPHA;
+	dstblend = DSBF_SRCALPHA;
+	break;
+    case CAIRO_OPERATOR_XOR:
+	srcblend = DSBF_INVDESTALPHA;
+	dstblend = DSBF_INVSRCALPHA;
+	break;
+    case CAIRO_OPERATOR_ADD:
+	srcblend = DSBF_ONE;
+	dstblend = DSBF_ONE;
+	break;
+    case CAIRO_OPERATOR_SATURATE:
+	/* XXX This does not work. */
+#if 0
+	srcblend = DSBF_SRCALPHASAT;
+	dstblend = DSBF_ONE;
+	break;
+#endif
+    case CAIRO_OPERATOR_MULTIPLY:
+    case CAIRO_OPERATOR_SCREEN:
+    case CAIRO_OPERATOR_OVERLAY:
+    case CAIRO_OPERATOR_DARKEN:
+    case CAIRO_OPERATOR_LIGHTEN:
+    case CAIRO_OPERATOR_COLOR_DODGE:
+    case CAIRO_OPERATOR_COLOR_BURN:
+    case CAIRO_OPERATOR_HARD_LIGHT:
+    case CAIRO_OPERATOR_SOFT_LIGHT:
+    case CAIRO_OPERATOR_DIFFERENCE:
+    case CAIRO_OPERATOR_EXCLUSION:
+    case CAIRO_OPERATOR_HSL_HUE:
+    case CAIRO_OPERATOR_HSL_SATURATION:
+    case CAIRO_OPERATOR_HSL_COLOR:
+    case CAIRO_OPERATOR_HSL_LUMINOSITY:
+    default:
+	return FALSE;
+    }
+
+    *ret_srcblend = srcblend;
+    *ret_dstblend = dstblend;
+
+    return TRUE;
+}
+#define RUN_CLIPPED(surface, clip_region, clip, func) {\
+    if ((clip_region) != NULL) {\
+	int n_clips = cairo_region_num_rectangles (clip_region), n; \
+        for (n = 0; n < n_clips; n++) {\
+            if (clip) {\
+                DFBRegion  reg, *cli = (clip); \
+		cairo_rectangle_int_t rect; \
+		cairo_region_get_rectangle (clip_region, n, &rect); \
+		reg.x1 = rect.x; \
+		reg.y1 = rect.y; \
+		reg.x2 = rect.x + rect.width - 1; \
+		reg.y2 = rect.y + rect.height - 1; \
+                if (reg.x2 < cli->x1 || reg.y2 < cli->y1 ||\
+                    reg.x1 > cli->x2 || reg.y1 > cli->y2)\
+                    continue;\
+                if (reg.x1 < cli->x1)\
+                    reg.x1 = cli->x1;\
+                if (reg.y1 < cli->y1)\
+                    reg.y1 = cli->y1;\
+                if (reg.x2 > cli->x2)\
+                    reg.x2 = cli->x2;\
+                if (reg.y2 > cli->y2)\
+                    reg.y2 = cli->y2;\
+                (surface)->dfbsurface->SetClip ((surface)->dfbsurface, &reg);\
+            } else {\
+		DFBRegion reg; \
+		cairo_rectangle_int_t rect; \
+		cairo_region_get_rectangle (clip_region, n, &rect); \
+		reg.x1 = rect.x; \
+		reg.y1 = rect.y; \
+		reg.x2 = rect.x + rect.width - 1; \
+		reg.y2 = rect.y + rect.height - 1; \
+                (surface)->dfbsurface->SetClip ((surface)->dfbsurface, &reg); \
+            }\
+            func;\
+        }\
+    } else {\
+        (surface)->dfbsurface->SetClip ((surface)->dfbsurface, clip);\
+        func;\
+    }\
+}
+
+static cairo_int_status_t
+_cairo_dfb_surface_fill_rectangles (void                  *abstract_surface,
+                                         cairo_operator_t       op,
+                                         const cairo_color_t   *color,
+                                         cairo_rectangle_int_t *rects,
+                                         int                    n_rects)
+{
+    cairo_dfb_surface_t *dst   = abstract_surface;
+    DFBSurfaceDrawingFlags    flags;
+    DFBSurfaceBlendFunction   sblend;
+    DFBSurfaceBlendFunction   dblend;
+    DFBRectangle              r[n_rects];
+    int                       i;
+
+    D_DEBUG_AT (CairoDFB_Render,
+		"%s( dst=%p, op=%d, color=%p, rects=%p, n_rects=%d ).\n",
+		__FUNCTION__, dst, op, color, rects, n_rects);
+
+    if (! dst->supported_destination)
+	return CAIRO_INT_STATUS_UNSUPPORTED;
+
+    if (! _directfb_get_operator (op, &sblend, &dblend))
+	return CAIRO_INT_STATUS_UNSUPPORTED;
+
+    if (CAIRO_COLOR_IS_OPAQUE (color)) {
+	if (sblend == DSBF_SRCALPHA)
+	    sblend = DSBF_ONE;
+	else if (sblend == DSBF_INVSRCALPHA)
+	    sblend = DSBF_ZERO;
+
+	if (dblend == DSBF_SRCALPHA)
+	    dblend = DSBF_ONE;
+	else if (dblend == DSBF_INVSRCALPHA)
+	    dblend = DSBF_ZERO;
+    }
+    if ((dst->base.content & CAIRO_CONTENT_ALPHA) == 0) {
+	if (sblend == DSBF_DESTALPHA)
+	    sblend = DSBF_ONE;
+	else if (sblend == DSBF_INVDESTALPHA)
+	    sblend = DSBF_ZERO;
+
+	if (dblend == DSBF_DESTALPHA)
+	    dblend = DSBF_ONE;
+	else if (dblend == DSBF_INVDESTALPHA)
+	    dblend = DSBF_ZERO;
+    }
+
+    flags = (sblend == DSBF_ONE && dblend == DSBF_ZERO) ? DSDRAW_NOFX : DSDRAW_BLEND;
+    dst->dfbsurface->SetDrawingFlags (dst->dfbsurface, flags);
+    if (flags & DSDRAW_BLEND) {
+	dst->dfbsurface->SetSrcBlendFunction (dst->dfbsurface, sblend);
+	dst->dfbsurface->SetDstBlendFunction (dst->dfbsurface, dblend);
+    }
+
+    dst->dfbsurface->SetColor (dst->dfbsurface,
+			       color->red_short >> 8,
+			       color->green_short >> 8,
+			       color->blue_short >> 8,
+			       color->alpha_short >> 8);
+
+    for (i = 0; i < n_rects; i++) {
+	r[i].x = rects[i].x;
+	r[i].y = rects[i].y;
+	r[i].w = rects[i].width;
+	r[i].h = rects[i].height;
+    }
+
+    RUN_CLIPPED (dst, NULL, NULL,
+		 dst->dfbsurface->FillRectangles (dst->dfbsurface, r, n_rects));
+
+    return CAIRO_STATUS_SUCCESS;
+}
+#endif
+
+static cairo_surface_backend_t
+_cairo_dfb_surface_backend = {
+    CAIRO_SURFACE_TYPE_DIRECTFB, /*type*/
+    _cairo_dfb_surface_finish, /*finish*/
+    _cairo_default_context_create,
+
+    _cairo_dfb_surface_create_similar,/*create_similar*/
+    NULL, /* create similar image */
+    _cairo_dfb_surface_map_to_image,
+    _cairo_dfb_surface_unmap_image,
+
+    _cairo_surface_default_source,
+    _cairo_surface_default_acquire_source_image,
+    _cairo_surface_default_release_source_image,
+    NULL,
+
+    NULL, /* copy_page */
+    NULL, /* show_page */
+
+    _cairo_image_surface_get_extents,
+    _cairo_image_surface_get_font_options,
+
+    _cairo_dfb_surface_flush,
+    NULL, /* mark_dirty_rectangle */
+
+    _cairo_surface_fallback_paint,
+    _cairo_surface_fallback_mask,
+    _cairo_surface_fallback_stroke,
+    _cairo_surface_fallback_fill,
+    NULL, /* fill-stroke */
+    _cairo_surface_fallback_glyphs,
+};
+
+cairo_surface_t *
+cairo_directfb_surface_create (IDirectFB *dfb, IDirectFBSurface *dfbsurface)
+{
+    cairo_dfb_surface_t *surface;
+    DFBSurfacePixelFormat     format;
+    DFBSurfaceCapabilities caps;
+    pixman_format_code_t pixman_format;
+    int width, height;
+
+    D_ASSERT (dfb != NULL);
+    D_ASSERT (dfbsurface != NULL);
+
+    dfbsurface->GetPixelFormat (dfbsurface, &format);
+    dfbsurface->GetSize (dfbsurface, &width, &height);
+
+    pixman_format = _directfb_to_pixman_format (format);
+    if (! pixman_format_supported_destination (pixman_format))
+        return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_FORMAT));
+
+    surface = calloc (1, sizeof (cairo_dfb_surface_t));
+    if (surface == NULL)
+        return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
+
+    /* XXX dfb -> device */
+    _cairo_surface_init (&surface->image.base,
+                         &_cairo_dfb_surface_backend,
+			 NULL, /* device */
+			 _directfb_format_to_content (format),
+			 FALSE); /* is_vector */
+
+    surface->image.pixman_format = pixman_format;
+    surface->image.format = _cairo_format_from_pixman_format (pixman_format);
+
+    surface->image.width = width;
+    surface->image.height = height;
+    surface->image.depth = PIXMAN_FORMAT_DEPTH(pixman_format);
+
+    surface->dfb = dfb;
+    surface->dfb_surface = dfbsurface;
+    dfbsurface->AddRef (dfbsurface);
+
+    dfbsurface->GetCapabilities (dfbsurface, &caps);
+    if (caps & DSCAPS_PREMULTIPLIED)
+	surface->blit_premultiplied = TRUE;
+
+    return &surface->image.base;
+}
+slim_hidden_def(cairo_directfb_surface_create);