static void
export_svg ()
{
cairo_surface_t *surface;
cairo_rectangle_t extents;
cairo_matrix_t mtx;
cairo_t *cr;
/* Create a surface and run export_layout_page() to figure out
* the picture extents and set up the cairo transformation
* matrix. The surface is created only in order to force
* eda_renderer_default_get_user_bounds() to behave quietly. */
surface = cairo_svg_surface_create (settings.outfile, 0, 0);
cr = cairo_create (surface);
g_object_set (renderer, "cairo-context", cr, NULL);
export_layout_page (NULL, &extents, &mtx);
cairo_destroy (cr);
/* Now create a new surface with the known extents. */
surface = cairo_svg_surface_create (settings.outfile,
extents.width,
extents.height);
cr = cairo_create (surface);
g_object_set (renderer, "cairo-context", cr, NULL);
cairo_set_matrix (cr, &mtx);
export_draw_page (NULL);
cairo_show_page (cr);
cairo_surface_finish (surface);
export_cairo_check_error (cairo_surface_status (surface));
}
static cairo_status_t
_cairo_paginated_surface_finish (void *abstract_surface)
{
cairo_paginated_surface_t *surface = abstract_surface;
cairo_status_t status = CAIRO_STATUS_SUCCESS;
if (! surface->base.is_clear || surface->page_num == 1) {
/* Bypass some of the sanity checking in cairo-surface.c, as we
* know that the surface is finished...
*/
status = (cairo_status_t)_cairo_paginated_surface_show_page (surface);
}
/* XXX We want to propagate any errors from destroy(), but those are not
* returned via the api. So we need to explicitly finish the target,
* and check the status afterwards. However, we can only call finish()
* on the target, if we own it.
*/
if (CAIRO_REFERENCE_COUNT_GET_VALUE (&surface->target->ref_count) == 1)
cairo_surface_finish (surface->target);
if (status == CAIRO_STATUS_SUCCESS)
status = cairo_surface_status (surface->target);
cairo_surface_destroy (surface->target);
cairo_surface_finish (surface->recording_surface);
if (status == CAIRO_STATUS_SUCCESS)
status = cairo_surface_status (surface->recording_surface);
cairo_surface_destroy (surface->recording_surface);
return status;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
const cairo_test_context_t *ctx = cairo_test_get_context (cr);
cairo_surface_t *surface;
cairo_status_t status;
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1);
cairo_surface_finish (surface);
status = cairo_surface_status (surface);
if (status != CAIRO_STATUS_SUCCESS)
return cairo_test_status_from_status (ctx, status);
cairo_surface_finish (surface);
status = cairo_surface_status (surface);
if (status != CAIRO_STATUS_SUCCESS)
return cairo_test_status_from_status (ctx, status);
cairo_surface_finish (surface);
status = cairo_surface_status (surface);
if (status != CAIRO_STATUS_SUCCESS)
return cairo_test_status_from_status (ctx, status);
cairo_surface_destroy (surface);
return CAIRO_TEST_SUCCESS;
}
static cairo_status_t
_cairo_paginated_surface_finish (void *abstract_surface)
{
cairo_paginated_surface_t *surface = abstract_surface;
cairo_status_t status = CAIRO_STATUS_SUCCESS;
if (surface->page_is_blank == FALSE || surface->page_num == 1) {
cairo_surface_show_page (abstract_surface);
status = cairo_surface_status (abstract_surface);
}
if (status == CAIRO_STATUS_SUCCESS) {
cairo_surface_finish (surface->target);
status = cairo_surface_status (surface->target);
}
if (status == CAIRO_STATUS_SUCCESS) {
cairo_surface_finish (surface->meta);
status = cairo_surface_status (surface->meta);
}
cairo_surface_destroy (surface->target);
cairo_surface_destroy (surface->meta);
return status;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_surface_t *surface;
uint32_t colors[4] = {
0xffffffff, 0xffff0000,
0xff00ff00, 0xff0000ff
};
int i;
for (i=0; i < 4; i++) {
surface = cairo_image_surface_create_for_data ((unsigned char *) &colors[i],
CAIRO_FORMAT_RGB24,
1, 1, 4);
cairo_save (cr);
{
cairo_translate (cr, i % 2, i / 2);
cairo_set_source_surface (cr, surface, 0, 0);
cairo_paint (cr);
}
cairo_restore (cr);
cairo_surface_finish (surface); /* colors will go out of scope */
cairo_surface_destroy (surface);
}
return CAIRO_TEST_SUCCESS;
}
static cairo_int_status_t
_cairo_qt_surface_unmap_image (void *abstract_surface,
cairo_image_surface_t *image)
{
cairo_qt_surface_t *qs = (cairo_qt_surface_t *) abstract_surface;
D(fprintf(stderr, "q[%p] release_dest_image\n", abstract_surface));
if (!qs->image_equiv) {
struct _qimage_surface *qimage = (struct _qimage_surface *)image;
// XXX should I be using setBackgroundMode here instead of setCompositionMode?
if (qs->supports_porter_duff)
qs->p->setCompositionMode (QPainter::CompositionMode_Source);
qs->p->drawImage ((int)qimage->image.base.device_transform.x0,
(int)qimage->image.base.device_transform.y0,
*qimage->qimg,
(int)qimage->image.base.device_transform.x0,
(int)qimage->image.base.device_transform.y0,
(int)qimage->image.width,
(int)qimage->image.height);
if (qs->supports_porter_duff)
qs->p->setCompositionMode (QPainter::CompositionMode_SourceOver);
delete qimage->qimg;
}
cairo_surface_finish (&image->base);
cairo_surface_destroy (&image->base);
return CAIRO_INT_STATUS_SUCCESS;
}
// Draw a single frame, do all your drawing/animation from in here.
void drawFrame(buffer *buffer, long frame) {
cairo_t *cr;
/* We are just going to attach cairo directly to the buffer in the rsx memory.
* If this gets too slow later with blending, we will need to create a buffer
* on cell then copy the finished result accross.
*/
//cairo_surface_t *surface = cairo_image_surface_create_for_data((u8 *) buffer->ptr,
// CAIRO_FORMAT_RGB24, buffer->width, buffer->height, buffer->width * 4);
cairo_surface_t *surface = cairo_image_surface_create_for_data((u8 *) buffer,
CAIRO_FORMAT_RGB16_565, offWidth, offHeight, offWidth * 2);
assert(surface != NULL);
cr = cairo_create(surface);
assert(cr != NULL);
// Lets start by clearing everything
cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); // White
cairo_paint(cr);
cairo_set_line_width(cr, 10.0); // 30 pixel wide line
cairo_set_source_rgb (cr, 1.0, 0.5, 0.0); // Orange
float angle = (frame % 600) / 100.0; // Rotation animaton, rotate once every 10 seconds.
cairo_arc(cr, offWidth/2, offHeight/2, offHeight/3, angle*M_PI, (angle-0.3)*M_PI);
cairo_stroke(cr); // Stroke the arc with our 30px wide orange line
cairo_destroy(cr); // Realease Surface
cairo_surface_finish(surface);
cairo_surface_destroy(surface); // Flush and destroy the cairo surface
}
static void
portal_end_run (GtkPrintOperation *op,
gboolean wait,
gboolean cancelled)
{
GtkPrintOperationPortal *op_portal = op->priv->platform_data;
cairo_surface_finish (op_portal->surface);
if (cancelled)
return;
if (wait)
op_portal->loop = g_main_loop_new (NULL, FALSE);
/* TODO: Check for error */
if (op_portal->job != NULL)
{
g_object_ref (op);
gtk_print_job_send (op_portal->job, portal_job_complete, op, NULL);
}
if (wait)
{
g_object_ref (op);
if (!op_portal->file_written)
{
gdk_threads_leave ();
g_main_loop_run (op_portal->loop);
gdk_threads_enter ();
}
g_object_unref (op);
}
}
static inline void
clutter_cairo_texture_surface_resize_internal (ClutterCairoTexture *cairo)
{
ClutterCairoTexturePrivate *priv = cairo->priv;
if (priv->cr_surface != NULL)
{
cairo_surface_t *surface = priv->cr_surface;
/* if the surface is an image one, and the size is already the
* same, then we don't need to do anything
*/
if (cairo_surface_get_type (surface) != CAIRO_SURFACE_TYPE_IMAGE)
{
gint surface_width = cairo_image_surface_get_width (surface);
gint surface_height = cairo_image_surface_get_height (surface);
if (priv->width == surface_width &&
priv->height == surface_height)
return;
}
cairo_surface_finish (surface);
cairo_surface_destroy (surface);
priv->cr_surface = NULL;
}
if (priv->width == 0 || priv->height == 0)
return;
g_signal_emit (cairo, cairo_signals[CREATE_SURFACE], 0,
priv->width,
priv->height,
&priv->cr_surface);
}
static cairo_status_t
gallium_surface_flush (void *abstract_surface)
{
gallium_surface_t *surface = abstract_surface;
gallium_device_t *device = gallium_device (surface);
cairo_status_t status;
if (surface->fallback == NULL) {
device->pipe->flush (device->pipe,
PIPE_FLUSH_RENDER_CACHE,
NULL);
return CAIRO_STATUS_SUCCESS;
}
/* kill any outstanding maps */
cairo_surface_finish (surface->fallback);
status = cairo_device_acquire (&device->drm.base);
if (likely (status == CAIRO_STATUS_SUCCESS)) {
device->pipe->transfer_unmap (device->pipe,
surface->map_transfer);
device->pipe->transfer_destroy (device->pipe,
surface->map_transfer);
surface->map_transfer = NULL;
cairo_device_release (&device->drm.base);
}
status = cairo_surface_status (surface->fallback);
cairo_surface_destroy (surface->fallback);
surface->fallback = NULL;
return status;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
const cairo_test_context_t *ctx = cairo_test_get_context (cr);
cairo_format_t format = CAIRO_FORMAT_ARGB32;
cairo_t *cr_src;
cairo_surface_t *png, *src;
uint8_t *data;
int stride;
png = cairo_test_create_surface_from_png (ctx, png_filename);
stride = cairo_format_stride_for_width (format, width) + 12;
data = xcalloc (stride, height);
src = cairo_image_surface_create_for_data (data, format,
width, height, stride);
cr_src = cairo_create (src);
cairo_set_source_surface (cr_src, png, 0, 0);
cairo_paint (cr_src);
cairo_destroy (cr_src);
cairo_set_source_surface (cr, src, 0, 0);
cairo_paint (cr);
cairo_surface_destroy (png);
cairo_surface_finish (src);
cairo_surface_destroy (src);
free (data);
return CAIRO_TEST_SUCCESS;
}
static void
_cairo_boilerplate_xcb_cleanup (void *closure)
{
xcb_target_closure_t *xtc = closure;
cairo_status_t status;
cairo_surface_finish (xtc->surface);
if (xtc->is_pixmap)
xcb_free_pixmap (xtc->c, xtc->drawable);
else
xcb_destroy_window (xtc->c, xtc->drawable);
cairo_surface_destroy (xtc->surface);
cairo_device_finish (xtc->device);
cairo_device_destroy (xtc->device);
/* First synchronize with the X server to make sure there are no more errors
* in-flight which we would miss otherwise */
_cairo_boilerplate_xcb_sync_server (xtc);
status = _cairo_boilerplate_xcb_handle_errors (xtc);
assert (status == CAIRO_STATUS_SUCCESS);
xcb_disconnect (xtc->c);
free (xtc);
}
static cairo_status_t
_cairo_win32_display_surface_finish (void *abstract_surface)
{
cairo_win32_display_surface_t *surface = abstract_surface;
if (surface->image && to_image_surface(surface->image)->parent) {
assert (to_image_surface(surface->image)->parent == &surface->win32.base);
/* Unhook ourselves first to avoid the double-unref from the image */
to_image_surface(surface->image)->parent = NULL;
cairo_surface_finish (surface->image);
cairo_surface_destroy (surface->image);
}
/* If we created the Bitmap and DC, destroy them */
if (surface->bitmap) {
SelectObject (surface->win32.dc, surface->saved_dc_bitmap);
DeleteObject (surface->bitmap);
DeleteDC (surface->win32.dc);
}
_cairo_win32_display_surface_discard_fallback (surface);
if (surface->initial_clip_rgn)
DeleteObject (surface->initial_clip_rgn);
return CAIRO_STATUS_SUCCESS;
}
static void
drawin_update_drawing(drawin_t *w)
{
/* If this drawin isn't visible, we don't need an up-to-date cairo surface
* for it. (drawin_map() will later make sure we are called again) */
if(!w->visible)
return;
/* Clean up old stuff */
if(w->surface)
{
/* In case lua still got a reference to the surface, it still won't be
* able to do anything with it because we finish it. */
cairo_surface_finish(w->surface);
cairo_surface_destroy(w->surface);
}
if(w->pixmap)
xcb_free_pixmap(globalconf.connection, w->pixmap);
/* Create a pixmap */
xcb_screen_t *s = globalconf.screen;
w->pixmap = xcb_generate_id(globalconf.connection);
xcb_create_pixmap(globalconf.connection, globalconf.default_depth, w->pixmap, s->root,
w->geometry.width, w->geometry.height);
/* and create a surface for that pixmap */
w->surface = cairo_xcb_surface_create(globalconf.connection,
w->pixmap, globalconf.visual,
w->geometry.width, w->geometry.height);
/* Make sure the pixmap doesn't contain garbage by filling it with black */
cairo_t *cr = cairo_create(w->surface);
cairo_set_operator(cr, CAIRO_OPERATOR_CLEAR);
cairo_paint(cr);
cairo_destroy(cr);
}
static void
export_pdf (void)
{
cairo_surface_t *surface;
cairo_rectangle_t extents;
cairo_matrix_t mtx;
cairo_t *cr;
GList *iter;
/* Create a surface. To begin with, we don't know the size. */
surface = cairo_pdf_surface_create (settings.outfile, 1, 1);
cr = cairo_create (surface);
g_object_set (renderer, "cairo-context", cr, NULL);
for (iter = geda_list_get_glist (toplevel->pages);
iter != NULL;
iter = g_list_next (iter)) {
PAGE *page = (PAGE *) iter->data;
export_layout_page (page, &extents, &mtx);
cairo_pdf_surface_set_size (surface, extents.width, extents.height);
cairo_set_matrix (cr, &mtx);
export_draw_page (page);
cairo_show_page (cr);
}
cairo_surface_finish (surface);
export_cairo_check_error (cairo_surface_status (surface));
}
static void
drawin_wipe(drawin_t *w)
{
/* The drawin must already be unmapped, else it
* couldn't be garbage collected -> no unmap needed */
p_delete(&w->cursor);
if(w->surface)
{
/* Make sure that cairo knows that this surface can't be unused anymore.
* This is needed since lua could still have a reference to it. */
cairo_surface_finish(w->surface);
cairo_surface_destroy(w->surface);
w->surface = NULL;
}
if(w->window)
{
/* Activate BMA */
client_ignore_enterleave_events();
/* Make sure we don't accidentally kill the systray window */
drawin_systray_kickout(w);
xcb_destroy_window(globalconf.connection, w->window);
/* Deactivate BMA */
client_restore_enterleave_events();
w->window = XCB_NONE;
}
if(w->pixmap)
{
xcb_free_pixmap(globalconf.connection, w->pixmap);
w->pixmap = XCB_NONE;
}
}
int
conv_pdf (RioData *data, const char *filename)
{
int status;
/* Determine original image height & width */
uint32_t height, width;
status = rio_data_get_metadata_uint32 (data, RIO_KEY_IMAGE_ROWS, &height)
&& rio_data_get_metadata_uint32 (data, RIO_KEY_IMAGE_COLS, &width);
if (!status) {
fprintf (stderr, "ERROR: Could not determine image dimensions.\n");
return 0;
}
/* Create output surface */
cairo_surface_t *pdf = cairo_pdf_surface_create (filename, width, height);
if (cairo_surface_status (pdf) != CAIRO_STATUS_SUCCESS) {
fprintf (stderr, "ERROR: Could not create PDF surface for %s: %s\n",
filename, cairo_status_to_string (cairo_surface_status (pdf)));
return 0;
}
/* FIXME naively assumes that all will be fine from now on. */
svg_draw (data, pdf);
cairo_surface_finish (pdf);
return 1;
}
static cairo_status_t
_cairo_xcb_surface_finish (void *abstract_surface)
{
cairo_xcb_surface_t *surface = abstract_surface;
cairo_status_t status;
if (surface->fallback != NULL) {
cairo_surface_finish (&surface->fallback->base);
cairo_surface_destroy (&surface->fallback->base);
}
_cairo_boxes_fini (&surface->fallback_damage);
cairo_list_del (&surface->link);
status = _cairo_xcb_connection_acquire (surface->connection);
if (status == CAIRO_STATUS_SUCCESS) {
if (surface->picture != XCB_NONE) {
_cairo_xcb_connection_render_free_picture (surface->connection,
surface->picture);
}
if (surface->owns_pixmap)
_cairo_xcb_connection_free_pixmap (surface->connection, surface->drawable);
_cairo_xcb_connection_release (surface->connection);
}
_cairo_xcb_connection_destroy (surface->connection);
return status;
}
int mergeRasterBufferCairo(imageObj *img, rasterBufferObj *rb, double opacity,
int srcX, int srcY, int dstX, int dstY,
int width, int height)
{
cairo_surface_t *src;
cairo_renderer *r;
/* not implemented for src,dst,width and height */
if(rb->type != MS_BUFFER_BYTE_RGBA) {
return MS_FAILURE;
}
r = CAIRO_RENDERER(img);
src = cairo_image_surface_create_for_data(rb->data.rgba.pixels,CAIRO_FORMAT_ARGB32,
rb->width,rb->height,
rb->data.rgba.row_step);
if(dstX||dstY||srcX||srcY||width!=img->width||height!=img->height) {
cairo_set_source_surface (r->cr, src, dstX - srcX, dstY - srcY);
cairo_rectangle (r->cr, dstX, dstY, width, height);
cairo_fill (r->cr);
} else {
cairo_set_source_surface (r->cr,src,0,0);
cairo_paint_with_alpha(r->cr,opacity);
}
cairo_surface_finish(src);
cairo_surface_destroy(src);
return MS_SUCCESS;
}
static PyObject *
surface_finish (PycairoSurface *o)
{
cairo_surface_finish (o->surface);
Py_CLEAR(o->base);
RETURN_NULL_IF_CAIRO_SURFACE_ERROR(o->surface);
Py_RETURN_NONE;
}
cairo_int_status_t
_cairo_image_surface_unmap_image (void *abstract_surface,
cairo_image_surface_t *image)
{
cairo_surface_finish (&image->base);
cairo_surface_destroy (&image->base);
return CAIRO_INT_STATUS_SUCCESS;
}
int saveImageCairo(imageObj *img, FILE *fp, outputFormatObj *format) {
cairo_renderer *r = CAIRO_RENDERER(img);
if(!strcasecmp(img->format->driver,"cairo/pdf") || !strcasecmp(img->format->driver,"cairo/svg")) {
cairo_surface_finish (r->surface);
fwrite(r->outputStream->data,r->outputStream->size,1,fp);
} else {
// not supported
}
return MS_SUCCESS;
}
CanvasCairo::~CanvasCairo() {
if (_context) {
cairo_destroy(_context);
_context = nullptr;
}
if (_surface) {
cairo_surface_finish(_surface);
_surface = nullptr;
}
}
static PyObject *
surface_finish (PycairoSurface *o)
{
cairo_surface_finish (o->surface);
Py_CLEAR(o->base);
if (Pycairo_Check_Status (cairo_surface_status(o->surface)))
return NULL;
Py_RETURN_NONE;
}
cairo_status_t
_cairo_boilerplate_svg_finish_surface (cairo_surface_t *surface)
{
svg_target_closure_t *ptc = cairo_surface_get_user_data (surface,
&svg_closure_key);
cairo_status_t status;
/* Both surface and ptc->target were originally created at the
* same dimensions. We want a 1:1 copy here, so we first clear any
* device offset on surface.
*
* In a more realistic use case of device offsets, the target of
* this copying would be of a different size than the source, and
* the offset would be desirable during the copy operation. */
cairo_surface_set_device_offset (surface, 0, 0);
if (ptc->target) {
cairo_t *cr;
cr = cairo_create (ptc->target);
cairo_set_source_surface (cr, surface, 0, 0);
cairo_paint (cr);
cairo_show_page (cr);
status = cairo_status (cr);
cairo_destroy (cr);
if (status)
return status;
cairo_surface_finish (surface);
status = cairo_surface_status (surface);
if (status)
return status;
surface = ptc->target;
}
cairo_surface_finish (surface);
status = cairo_surface_status (surface);
if (status)
return status;
return CAIRO_STATUS_SUCCESS;
}
static cairo_status_t
_cairo_skia_surface_finish (void *asurface)
{
cairo_skia_surface_t *surface = (cairo_skia_surface_t *) asurface;
cairo_surface_finish (&surface->image.base);
delete surface->bitmap;
return CAIRO_STATUS_SUCCESS;
}
int gt_graphics_cairo_save_to_file(const GtGraphics *gg, const char *filename,
GtError *err)
{
const GtGraphicsCairo *g = (const GtGraphicsCairo*) gg;
cairo_surface_t *bgsurf = NULL;
cairo_t *bgc = NULL;
cairo_status_t rval;
GtFile *outfile;
gt_error_check(err);
gt_assert(g && filename);
/* do nothing if no surface was created */
if (g->from_context)
return 0;
switch (g->type)
{
case GT_GRAPHICS_PNG:
/* blend rendered image with background color */
bgsurf = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, g->width,
g->height);
bgc = cairo_create(bgsurf);
cairo_set_source_rgba(bgc, g->bg_color.red, g->bg_color.green,
g->bg_color.blue, g->bg_color.alpha);
cairo_paint(bgc);
cairo_set_source_surface(bgc, g->surf, 0, 0);
cairo_paint(bgc);
rval = cairo_surface_write_to_png(bgsurf, filename);
gt_assert(rval == CAIRO_STATUS_SUCCESS ||
rval == CAIRO_STATUS_WRITE_ERROR);
if (rval == CAIRO_STATUS_WRITE_ERROR)
{
cairo_destroy(bgc);
cairo_surface_destroy(bgsurf);
gt_error_set(err, "an I/O error occurred while attempting "
"to write image file \"%s\"", filename);
return -1;
}
cairo_destroy(bgc);
cairo_surface_destroy(bgsurf);
break;
default:
cairo_show_page(g->cr);
cairo_surface_flush(g->surf);
cairo_surface_finish(g->surf);
outfile = gt_file_open(GT_FILE_MODE_UNCOMPRESSED, filename, "w+", err);
if (outfile)
{
gt_file_xwrite(outfile, gt_str_get_mem(g->outbuf),
gt_str_length(g->outbuf));
gt_file_delete(outfile);
} else return -1;
break;
}
return 0;
}
static void
drawable_unset_surface(drawable_t *d)
{
cairo_surface_finish(d->surface);
cairo_surface_destroy(d->surface);
if (d->pixmap)
xcb_free_pixmap(globalconf.connection, d->pixmap);
d->refreshed = false;
d->surface = NULL;
d->pixmap = XCB_NONE;
}
unsigned char* saveImageBufferCairo(imageObj *img, int *size_ptr, outputFormatObj *format)
{
cairo_renderer *r = CAIRO_RENDERER(img);
unsigned char *data;
assert(!strcasecmp(img->format->driver,"cairo/pdf") || !strcasecmp(img->format->driver,"cairo/svg"));
cairo_surface_finish (r->surface);
data = msSmallMalloc(r->outputStream->size);
memcpy(data,r->outputStream->data,r->outputStream->size);
*size_ptr = (int)r->outputStream->size;
return data;
}
static void
_cairo_boilerplate_ps_cleanup (void *closure)
{
ps_target_closure_t *ptc = closure;
if (ptc->target) {
cairo_surface_finish (ptc->target);
cairo_surface_destroy (ptc->target);
}
free (ptc->filename);
free (ptc);
}
