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-rw-r--r--src/display/nr-arena-image.cpp392
1 files changed, 0 insertions, 392 deletions
diff --git a/src/display/nr-arena-image.cpp b/src/display/nr-arena-image.cpp
deleted file mode 100644
index 6539ae4d2..000000000
--- a/src/display/nr-arena-image.cpp
+++ /dev/null
@@ -1,392 +0,0 @@
-#define __NR_ARENA_IMAGE_C__
-
-/*
- * RGBA display list system for inkscape
- *
- * Author:
- * Lauris Kaplinski <lauris@kaplinski.com>
- *
- * Copyright (C) 2001-2002 Lauris Kaplinski
- * Copyright (C) 2001 Ximian, Inc.
- *
- * Released under GNU GPL, read the file 'COPYING' for more information
- */
-
-#include <libnr/nr-compose-transform.h>
-#include <2geom/transforms.h>
-#include <libnr/nr-blit.h>
-#include "../preferences.h"
-#include "nr-arena-image.h"
-#include "style.h"
-#include "display/nr-arena.h"
-#include "display/nr-filter.h"
-#include "display/nr-filter-gaussian.h"
-#include "sp-filter.h"
-#include "sp-filter-reference.h"
-#include "sp-gaussian-blur.h"
-#include "filters/blend.h"
-#include "display/nr-filter-blend.h"
-
-int nr_arena_image_x_sample = 1;
-int nr_arena_image_y_sample = 1;
-
-/*
- * NRArenaCanvasImage
- *
- */
-
-static void nr_arena_image_class_init (NRArenaImageClass *klass);
-static void nr_arena_image_init (NRArenaImage *image);
-static void nr_arena_image_finalize (NRObject *object);
-
-static unsigned int nr_arena_image_update (NRArenaItem *item, NRRectL *area, NRGC *gc, unsigned int state, unsigned int reset);
-static unsigned int nr_arena_image_render (cairo_t *ct, NRArenaItem *item, NRRectL *area, NRPixBlock *pb, unsigned int flags);
-static NRArenaItem *nr_arena_image_pick (NRArenaItem *item, Geom::Point p, double delta, unsigned int sticky);
-
-static NRArenaItemClass *parent_class;
-
-NRType
-nr_arena_image_get_type (void)
-{
- static NRType type = 0;
- if (!type) {
- type = nr_object_register_type (NR_TYPE_ARENA_ITEM,
- "NRArenaImage",
- sizeof (NRArenaImageClass),
- sizeof (NRArenaImage),
- (void (*) (NRObjectClass *)) nr_arena_image_class_init,
- (void (*) (NRObject *)) nr_arena_image_init);
- }
- return type;
-}
-
-static void
-nr_arena_image_class_init (NRArenaImageClass *klass)
-{
- NRObjectClass *object_class;
- NRArenaItemClass *item_class;
-
- object_class = (NRObjectClass *) klass;
- item_class = (NRArenaItemClass *) klass;
-
- parent_class = (NRArenaItemClass *) ((NRObjectClass *) klass)->parent;
-
- object_class->finalize = nr_arena_image_finalize;
- object_class->cpp_ctor = NRObject::invoke_ctor<NRArenaImage>;
-
- item_class->update = nr_arena_image_update;
- item_class->render = nr_arena_image_render;
- item_class->pick = nr_arena_image_pick;
-}
-
-static void
-nr_arena_image_init (NRArenaImage *image)
-{
- image->px = NULL;
-
- image->pxw = image->pxh = image->pxrs = 0;
- image->x = image->y = 0.0;
- image->width = 256.0;
- image->height = 256.0;
-
- image->grid2px.setIdentity();
-
- image->style = 0;
- image->render_opacity = TRUE;
-}
-
-static void
-nr_arena_image_finalize (NRObject *object)
-{
- NRArenaImage *image = NR_ARENA_IMAGE (object);
-
- image->px = NULL;
-
- ((NRObjectClass *) parent_class)->finalize (object);
-}
-
-static unsigned int
-nr_arena_image_update( NRArenaItem *item, NRRectL */*area*/, NRGC *gc, unsigned int /*state*/, unsigned int /*reset*/ )
-{
- Geom::Affine grid2px;
-
- // clear old bbox
- nr_arena_item_request_render(item);
-
- NRArenaImage *image = NR_ARENA_IMAGE (item);
-
- /* Copy affine */
- grid2px = gc->transform.inverse();
- double hscale, vscale; // todo: replace with Geom::Scale
- if (image->px) {
- hscale = image->pxw / image->width;
- vscale = image->pxh / image->height;
- } else {
- hscale = 1.0;
- vscale = 1.0;
- }
-
- image->grid2px[0] = grid2px[0] * hscale;
- image->grid2px[2] = grid2px[2] * hscale;
- image->grid2px[4] = grid2px[4] * hscale;
- image->grid2px[1] = grid2px[1] * vscale;
- image->grid2px[3] = grid2px[3] * vscale;
- image->grid2px[5] = grid2px[5] * vscale;
-
- image->grid2px[4] -= image->x * hscale;
- image->grid2px[5] -= image->y * vscale;
-
- /* Calculate bbox */
- if (image->px) {
- NRRect bbox;
-
- bbox.x0 = image->x;
- bbox.y0 = image->y;
- bbox.x1 = image->x + image->width;
- bbox.y1 = image->y + image->height;
-
- image->c00 = (Geom::Point(bbox.x0, bbox.y0) * gc->transform);
- image->c01 = (Geom::Point(bbox.x0, bbox.y1) * gc->transform);
- image->c10 = (Geom::Point(bbox.x1, bbox.y0) * gc->transform);
- image->c11 = (Geom::Point(bbox.x1, bbox.y1) * gc->transform);
-
- nr_rect_d_matrix_transform (&bbox, &bbox, gc->transform);
-
- item->bbox.x0 = static_cast<NR::ICoord>(floor(bbox.x0)); // Floor gives the coordinate in which the point resides
- item->bbox.y0 = static_cast<NR::ICoord>(floor(bbox.y0));
- item->bbox.x1 = static_cast<NR::ICoord>(ceil (bbox.x1)); // Ceil gives the first coordinate beyond the point
- item->bbox.y1 = static_cast<NR::ICoord>(ceil (bbox.y1));
- } else {
- item->bbox.x0 = (int) gc->transform[4];
- item->bbox.y0 = (int) gc->transform[5];
- item->bbox.x1 = item->bbox.x0 - 1;
- item->bbox.y1 = item->bbox.y0 - 1;
- }
-
- return NR_ARENA_ITEM_STATE_ALL;
-}
-
-#define FBITS 12
-#define b2i (image->grid2px)
-
-static unsigned int
-nr_arena_image_render( cairo_t *ct, NRArenaItem *item, NRRectL */*area*/, NRPixBlock *pb, unsigned int /*flags*/ )
-{
- Inkscape::Preferences *prefs = Inkscape::Preferences::get();
- nr_arena_image_x_sample = prefs->getInt("/options/bitmapoversample/value", 1);
- nr_arena_image_y_sample = nr_arena_image_x_sample;
-
- bool outline = (item->arena->rendermode == Inkscape::RENDERMODE_OUTLINE);
-
- NRArenaImage *image = NR_ARENA_IMAGE (item);
-
- Geom::Affine d2s;
-
- d2s[0] = b2i[0];
- d2s[1] = b2i[1];
- d2s[2] = b2i[2];
- d2s[3] = b2i[3];
- d2s[4] = b2i[0] * pb->area.x0 + b2i[2] * pb->area.y0 + b2i[4];
- d2s[5] = b2i[1] * pb->area.x0 + b2i[3] * pb->area.y0 + b2i[5];
-
- if (!outline) {
-
- if (!image->px) return item->state;
-
- guint32 Falpha = item->opacity;
- if (Falpha < 1) return item->state;
-
- unsigned char * dpx = NR_PIXBLOCK_PX (pb);
- int const drs = pb->rs;
- int const dw = pb->area.x1 - pb->area.x0;
- int const dh = pb->area.y1 - pb->area.y0;
-
- unsigned char * spx = image->px;
- int const srs = image->pxrs;
- int const sw = image->pxw;
- int const sh = image->pxh;
-
- if (pb->mode == NR_PIXBLOCK_MODE_R8G8B8) {
- /* fixme: This is not implemented yet (Lauris) */
- /* nr_R8G8B8_R8G8B8_R8G8B8A8_N_TRANSFORM (dpx, dw, dh, drs, spx, sw, sh, srs, d2s, Falpha, nr_arena_image_x_sample, nr_arena_image_y_sample); */
- } else if (pb->mode == NR_PIXBLOCK_MODE_R8G8B8A8P) {
- nr_R8G8B8A8_P_R8G8B8A8_P_R8G8B8A8_N_TRANSFORM (dpx, dw, dh, drs, spx, sw, sh, srs, d2s, Falpha, nr_arena_image_x_sample, nr_arena_image_y_sample);
- } else if (pb->mode == NR_PIXBLOCK_MODE_R8G8B8A8N) {
- nr_R8G8B8A8_N_R8G8B8A8_N_R8G8B8A8_N_TRANSFORM (dpx, dw, dh, drs, spx, sw, sh, srs, d2s, Falpha, nr_arena_image_x_sample, nr_arena_image_y_sample);
- }
-
- pb->empty = FALSE;
-
- } else { // outline; draw a rect instead
-
- if (!ct)
- return item->state;
-
- guint32 rgba = prefs->getInt("/options/wireframecolors/images", 0xff0000ff);
- // FIXME: we use RGBA buffers but cairo writes BGRA (on i386), so we must cheat
- // by setting color channels in the "wrong" order
- cairo_set_source_rgba(ct, SP_RGBA32_B_F(rgba), SP_RGBA32_G_F(rgba), SP_RGBA32_R_F(rgba), SP_RGBA32_A_F(rgba));
-
- cairo_set_line_width(ct, 0.5);
- cairo_new_path(ct);
-
- Geom::Point shift(pb->area.x0, pb->area.y0);
- Geom::Point c00 = image->c00 - shift;
- Geom::Point c01 = image->c01 - shift;
- Geom::Point c11 = image->c11 - shift;
- Geom::Point c10 = image->c10 - shift;
-
- cairo_move_to (ct, c00[Geom::X], c00[Geom::Y]);
-
- // the box
- cairo_line_to (ct, c10[Geom::X], c10[Geom::Y]);
- cairo_line_to (ct, c11[Geom::X], c11[Geom::Y]);
- cairo_line_to (ct, c01[Geom::X], c01[Geom::Y]);
- cairo_line_to (ct, c00[Geom::X], c00[Geom::Y]);
- // the diagonals
- cairo_line_to (ct, c11[Geom::X], c11[Geom::Y]);
- cairo_move_to (ct, c10[Geom::X], c10[Geom::Y]);
- cairo_line_to (ct, c01[Geom::X], c01[Geom::Y]);
-
- cairo_stroke(ct);
-
- pb->empty = FALSE;
- }
-
- return item->state;
-}
-
-/** Calculates the closest distance from p to the segment a1-a2*/
-double
-distance_to_segment (Geom::Point p, Geom::Point a1, Geom::Point a2)
-{
- // calculate sides of the triangle and their squares
- double d1 = Geom::L2(p - a1);
- double d1_2 = d1 * d1;
- double d2 = Geom::L2(p - a2);
- double d2_2 = d2 * d2;
- double a = Geom::L2(a1 - a2);
- double a_2 = a * a;
-
- // if one of the angles at the base is > 90, return the corresponding side
- if (d1_2 + a_2 <= d2_2) return d1;
- if (d2_2 + a_2 <= d1_2) return d2;
-
- // otherwise calculate the height to the base
- double peri = (a + d1 + d2)/2;
- return (2*sqrt(peri * (peri - a) * (peri - d1) * (peri - d2))/a);
-}
-
-static NRArenaItem *
-nr_arena_image_pick( NRArenaItem *item, Geom::Point p, double delta, unsigned int /*sticky*/ )
-{
- NRArenaImage *image = NR_ARENA_IMAGE (item);
-
- if (!image->px) return NULL;
-
- bool outline = (item->arena->rendermode == Inkscape::RENDERMODE_OUTLINE);
-
- if (outline) {
-
- // frame
- if (distance_to_segment (p, image->c00, image->c10) < delta) return item;
- if (distance_to_segment (p, image->c10, image->c11) < delta) return item;
- if (distance_to_segment (p, image->c11, image->c01) < delta) return item;
- if (distance_to_segment (p, image->c01, image->c00) < delta) return item;
-
- // diagonals
- if (distance_to_segment (p, image->c00, image->c11) < delta) return item;
- if (distance_to_segment (p, image->c10, image->c01) < delta) return item;
-
- return NULL;
-
- } else {
-
- unsigned char *const pixels = image->px;
- int const width = image->pxw;
- int const height = image->pxh;
- int const rowstride = image->pxrs;
- Geom::Point tp = p * image->grid2px;
- int const ix = (int)(tp[Geom::X]);
- int const iy = (int)(tp[Geom::Y]);
-
- if ((ix < 0) || (iy < 0) || (ix >= width) || (iy >= height))
- return NULL;
-
- unsigned char *pix_ptr = pixels + iy * rowstride + ix * 4;
- // is the alpha not transparent?
- return (pix_ptr[3] > 0) ? item : NULL;
- }
-}
-
-/* Utility */
-
-void
-nr_arena_image_set_pixels (NRArenaImage *image, unsigned char const *px, unsigned int pxw, unsigned int pxh, unsigned int pxrs)
-{
- nr_return_if_fail (image != NULL);
- nr_return_if_fail (NR_IS_ARENA_IMAGE (image));
-
- image->px = (unsigned char *) px;
- image->pxw = pxw;
- image->pxh = pxh;
- image->pxrs = pxrs;
-
- nr_arena_item_request_update (NR_ARENA_ITEM (image), NR_ARENA_ITEM_STATE_ALL, FALSE);
-}
-
-void
-nr_arena_image_set_geometry (NRArenaImage *image, double x, double y, double width, double height)
-{
- nr_return_if_fail (image != NULL);
- nr_return_if_fail (NR_IS_ARENA_IMAGE (image));
-
- image->x = x;
- image->y = y;
- image->width = width;
- image->height = height;
-
- nr_arena_item_request_update (NR_ARENA_ITEM (image), NR_ARENA_ITEM_STATE_ALL, FALSE);
-}
-
-void nr_arena_image_set_style (NRArenaImage *image, SPStyle *style)
-{
- g_return_if_fail(image != NULL);
- g_return_if_fail(NR_IS_ARENA_IMAGE(image));
-
- if (style) sp_style_ref(style);
- if (image->style) sp_style_unref(image->style);
- image->style = style;
-
- //if image has a filter
- if (style->filter.set && style->getFilter()) {
- if (!image->filter) {
- int primitives = sp_filter_primitive_count(SP_FILTER(style->getFilter()));
- image->filter = new Inkscape::Filters::Filter(primitives);
- }
- sp_filter_build_renderer(SP_FILTER(style->getFilter()), image->filter);
- } else {
- //no filter set for this image
- delete image->filter;
- image->filter = NULL;
- }
-
- if (style && style->enable_background.set
- && style->enable_background.value == SP_CSS_BACKGROUND_NEW) {
- image->background_new = true;
- }
-
- nr_arena_item_request_update(image, NR_ARENA_ITEM_STATE_ALL, FALSE);
-}
-
-
-/*
- Local Variables:
- mode:c++
- c-file-style:"stroustrup"
- c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
- indent-tabs-mode:nil
- fill-column:99
- End:
-*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :