+++ /dev/null
-/*
- * Copyright (C) 2006 John Ellis
- * Copyright (C) 2008 - 2016 The Geeqie Team
- *
- * Author: John Ellis
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-
-#include "main.h"
-#include "pixbuf-renderer.h"
-#include "renderer-tiles.h"
-#include "renderer-clutter.h"
-
-#include "intl.h"
-#include "layout.h"
-
-#include <gtk/gtk.h>
-
-/* comment this out if not using this from within Geeqie
- * defining GQ_BUILD does these things:
- * - Sets the shift-click scroller pixbuf to a nice icon instead of a black box
- */
-#define GQ_BUILD 1
-
-#ifdef GQ_BUILD
-#include "main.h"
-#include "pixbuf_util.h"
-#include "exif.h"
-#else
-typedef enum {
- EXIF_ORIENTATION_UNKNOWN = 0,
- EXIF_ORIENTATION_TOP_LEFT = 1,
- EXIF_ORIENTATION_TOP_RIGHT = 2,
- EXIF_ORIENTATION_BOTTOM_RIGHT = 3,
- EXIF_ORIENTATION_BOTTOM_LEFT = 4,
- EXIF_ORIENTATION_LEFT_TOP = 5,
- EXIF_ORIENTATION_RIGHT_TOP = 6,
- EXIF_ORIENTATION_RIGHT_BOTTOM = 7,
- EXIF_ORIENTATION_LEFT_BOTTOM = 8
-} ExifOrientationType;
-#endif
-
-
-/* default min and max zoom */
-#define PR_ZOOM_MIN -32.0
-#define PR_ZOOM_MAX 32.0
-
-/* distance to drag mouse to disable image flip */
-#define PR_DRAG_SCROLL_THRESHHOLD 4
-
-/* increase pan rate when holding down shift */
-#define PR_PAN_SHIFT_MULTIPLIER 6
-
-/* scroller config */
-#define PR_SCROLLER_UPDATES_PER_SEC 30
-#define PR_SCROLLER_DEAD_ZONE 6
-
-/* when scaling image to below this size, use nearest pixel for scaling
- * (below about 4, the other scale types become slow generating their conversion tables)
- */
-#define PR_MIN_SCALE_SIZE 8
-
-enum {
- SIGNAL_ZOOM = 0,
- SIGNAL_CLICKED,
- SIGNAL_SCROLL_NOTIFY,
- SIGNAL_RENDER_COMPLETE,
- SIGNAL_DRAG,
- SIGNAL_UPDATE_PIXEL,
- SIGNAL_COUNT
-};
-
-enum {
- PROP_0,
- PROP_ZOOM_MIN,
- PROP_ZOOM_MAX,
- PROP_ZOOM_QUALITY,
- PROP_ZOOM_2PASS,
- PROP_ZOOM_EXPAND,
- PROP_SCROLL_RESET,
- PROP_DELAY_FLIP,
- PROP_LOADING,
- PROP_COMPLETE,
- PROP_CACHE_SIZE_DISPLAY,
- PROP_CACHE_SIZE_TILES,
- PROP_WINDOW_FIT,
- PROP_WINDOW_LIMIT,
- PROP_WINDOW_LIMIT_VALUE,
- PROP_AUTOFIT_LIMIT,
- PROP_AUTOFIT_LIMIT_VALUE,
- PROP_ENLARGEMENT_LIMIT_VALUE
-};
-
-typedef enum {
- PR_ZOOM_NONE = 0,
- PR_ZOOM_FORCE = 1 << 0,
- PR_ZOOM_NEW = 1 << 1,
- PR_ZOOM_CENTER = 1 << 2,
- PR_ZOOM_INVALIDATE = 1 << 3,
- PR_ZOOM_LAZY = 1 << 4 /* wait with redraw for pixbuf_renderer_area_changed */
-} PrZoomFlags;
-
-static guint signals[SIGNAL_COUNT] = { 0 };
-static GtkEventBoxClass *parent_class = NULL;
-
-
-
-static void pixbuf_renderer_class_init(PixbufRendererClass *class);
-static void pixbuf_renderer_init(PixbufRenderer *pr);
-static void pixbuf_renderer_finalize(GObject *object);
-static void pixbuf_renderer_set_property(GObject *object, guint prop_id,
- const GValue *value, GParamSpec *pspec);
-static void pixbuf_renderer_get_property(GObject *object, guint prop_id,
- GValue *value, GParamSpec *pspec);
-static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start);
-
-
-static void pr_source_tile_free_all(PixbufRenderer *pr);
-
-static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
- PrZoomFlags flags, gint px, gint py);
-
-static void pr_signals_connect(PixbufRenderer *pr);
-static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data);
-static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable);
-
-
-/*
- *-------------------------------------------------------------------
- * Pixbuf Renderer object
- *-------------------------------------------------------------------
- */
-
-static void pixbuf_renderer_class_init_wrapper(void *g_class, void *class_data)
-{
- pixbuf_renderer_class_init(g_class);
-}
-
-static void pixbuf_renderer_init_wrapper(PixbufRenderer *pr, void *class_data)
-{
- pixbuf_renderer_init(pr);
-}
-
-GType pixbuf_renderer_get_type(void)
-{
- static GType pixbuf_renderer_type = 0;
-
- if (!pixbuf_renderer_type)
- {
- static const GTypeInfo pixbuf_renderer_info =
- {
- sizeof(PixbufRendererClass), /* class_size */
- NULL, /* base_init */
- NULL, /* base_finalize */
- (GClassInitFunc)pixbuf_renderer_class_init_wrapper,
- NULL, /* class_finalize */
- NULL, /* class_data */
- sizeof(PixbufRenderer), /* instance_size */
- 0, /* n_preallocs */
- (GInstanceInitFunc)pixbuf_renderer_init_wrapper, /* instance_init */
- NULL, /* value_table */
- };
-
- pixbuf_renderer_type = g_type_register_static(GTK_TYPE_EVENT_BOX, "PixbufRenderer",
- &pixbuf_renderer_info, 0);
- }
-
- return pixbuf_renderer_type;
-}
-
-static void pixbuf_renderer_class_init(PixbufRendererClass *class)
-{
- GObjectClass *gobject_class = G_OBJECT_CLASS(class);
-
- parent_class = g_type_class_peek_parent(class);
-
- gobject_class->set_property = pixbuf_renderer_set_property;
- gobject_class->get_property = pixbuf_renderer_get_property;
-
- gobject_class->finalize = pixbuf_renderer_finalize;
-
- g_object_class_install_property(gobject_class,
- PROP_ZOOM_MIN,
- g_param_spec_double("zoom_min",
- "Zoom minimum",
- NULL,
- -1000.0,
- 1000.0,
- PR_ZOOM_MIN,
- G_PARAM_READABLE | G_PARAM_WRITABLE));
-
- g_object_class_install_property(gobject_class,
- PROP_ZOOM_MAX,
- g_param_spec_double("zoom_max",
- "Zoom maximum",
- NULL,
- -1000.0,
- 1000.0,
- PR_ZOOM_MIN,
- G_PARAM_READABLE | G_PARAM_WRITABLE));
-
- g_object_class_install_property(gobject_class,
- PROP_ZOOM_QUALITY,
- g_param_spec_uint("zoom_quality",
- "Zoom quality",
- NULL,
- GDK_INTERP_NEAREST,
- GDK_INTERP_BILINEAR,
- GDK_INTERP_BILINEAR,
- G_PARAM_READABLE | G_PARAM_WRITABLE));
-
- g_object_class_install_property(gobject_class,
- PROP_ZOOM_2PASS,
- g_param_spec_boolean("zoom_2pass",
- "2 pass zoom",
- NULL,
- TRUE,
- G_PARAM_READABLE | G_PARAM_WRITABLE));
-
- g_object_class_install_property(gobject_class,
- PROP_ZOOM_EXPAND,
- g_param_spec_boolean("zoom_expand",
- "Expand image in autozoom.",
- NULL,
- FALSE,
- G_PARAM_READABLE | G_PARAM_WRITABLE));
- g_object_class_install_property(gobject_class,
- PROP_SCROLL_RESET,
- g_param_spec_uint("scroll_reset",
- "New image scroll reset",
- NULL,
- PR_SCROLL_RESET_TOPLEFT,
- PR_SCROLL_RESET_NOCHANGE,
- PR_SCROLL_RESET_TOPLEFT,
- G_PARAM_READABLE | G_PARAM_WRITABLE));
-
- g_object_class_install_property(gobject_class,
- PROP_DELAY_FLIP,
- g_param_spec_boolean("delay_flip",
- "Delay image update",
- NULL,
- FALSE,
- G_PARAM_READABLE | G_PARAM_WRITABLE));
-
- g_object_class_install_property(gobject_class,
- PROP_LOADING,
- g_param_spec_boolean("loading",
- "Image actively loading",
- NULL,
- FALSE,
- G_PARAM_READABLE | G_PARAM_WRITABLE));
-
- g_object_class_install_property(gobject_class,
- PROP_COMPLETE,
- g_param_spec_boolean("complete",
- "Image rendering complete",
- NULL,
- FALSE,
- G_PARAM_READABLE | G_PARAM_WRITABLE));
-
- g_object_class_install_property(gobject_class,
- PROP_CACHE_SIZE_DISPLAY,
- g_param_spec_uint("cache_display",
- "Display cache size MiB",
- NULL,
- 0,
- 128,
- PR_CACHE_SIZE_DEFAULT,
- G_PARAM_READABLE | G_PARAM_WRITABLE));
-
- g_object_class_install_property(gobject_class,
- PROP_CACHE_SIZE_TILES,
- g_param_spec_uint("cache_tiles",
- "Tile cache count",
- "Number of tiles to retain in memory at any one time.",
- 0,
- 256,
- PR_CACHE_SIZE_DEFAULT,
- G_PARAM_READABLE | G_PARAM_WRITABLE));
-
- g_object_class_install_property(gobject_class,
- PROP_WINDOW_FIT,
- g_param_spec_boolean("window_fit",
- "Fit window to image size",
- NULL,
- FALSE,
- G_PARAM_READABLE | G_PARAM_WRITABLE));
-
- g_object_class_install_property(gobject_class,
- PROP_WINDOW_LIMIT,
- g_param_spec_boolean("window_limit",
- "Limit size of parent window",
- NULL,
- FALSE,
- G_PARAM_READABLE | G_PARAM_WRITABLE));
-
- g_object_class_install_property(gobject_class,
- PROP_WINDOW_LIMIT_VALUE,
- g_param_spec_uint("window_limit_value",
- "Size limit of parent window",
- NULL,
- 10,
- 150,
- 100,
- G_PARAM_READABLE | G_PARAM_WRITABLE));
-
- g_object_class_install_property(gobject_class,
- PROP_AUTOFIT_LIMIT,
- g_param_spec_boolean("autofit_limit",
- "Limit size of image when autofitting",
- NULL,
- FALSE,
- G_PARAM_READABLE | G_PARAM_WRITABLE));
-
- g_object_class_install_property(gobject_class,
- PROP_AUTOFIT_LIMIT_VALUE,
- g_param_spec_uint("autofit_limit_value",
- "Size limit of image when autofitting",
- NULL,
- 10,
- 150,
- 100,
- G_PARAM_READABLE | G_PARAM_WRITABLE));
-
- g_object_class_install_property(gobject_class,
- PROP_ENLARGEMENT_LIMIT_VALUE,
- g_param_spec_uint("enlargement_limit_value",
- "Size increase limit of image when autofitting",
- NULL,
- 100,
- 999,
- 500,
- G_PARAM_READABLE | G_PARAM_WRITABLE));
-
-
- signals[SIGNAL_ZOOM] =
- g_signal_new("zoom",
- G_OBJECT_CLASS_TYPE(gobject_class),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET(PixbufRendererClass, zoom),
- NULL, NULL,
- g_cclosure_marshal_VOID__DOUBLE,
- G_TYPE_NONE, 1,
- G_TYPE_DOUBLE);
-
- signals[SIGNAL_CLICKED] =
- g_signal_new("clicked",
- G_OBJECT_CLASS_TYPE(gobject_class),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET(PixbufRendererClass, clicked),
- NULL, NULL,
- g_cclosure_marshal_VOID__BOXED,
- G_TYPE_NONE, 1,
- GDK_TYPE_EVENT);
-
- signals[SIGNAL_SCROLL_NOTIFY] =
- g_signal_new("scroll-notify",
- G_OBJECT_CLASS_TYPE(gobject_class),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET(PixbufRendererClass, scroll_notify),
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE, 0);
-
- signals[SIGNAL_RENDER_COMPLETE] =
- g_signal_new("render-complete",
- G_OBJECT_CLASS_TYPE(gobject_class),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET(PixbufRendererClass, render_complete),
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE, 0);
-
- signals[SIGNAL_DRAG] =
- g_signal_new("drag",
- G_OBJECT_CLASS_TYPE(gobject_class),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET(PixbufRendererClass, drag),
- NULL, NULL,
- g_cclosure_marshal_VOID__BOXED,
- G_TYPE_NONE, 1,
- GDK_TYPE_EVENT);
-
- signals[SIGNAL_UPDATE_PIXEL] =
- g_signal_new("update-pixel",
- G_OBJECT_CLASS_TYPE(gobject_class),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET(PixbufRendererClass, update_pixel),
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE, 0);
-}
-
-static RendererFuncs *pr_backend_renderer_new(PixbufRenderer *pr)
-{
- if (options->image.use_clutter_renderer && !options->disable_gpu)
- {
-#ifdef HAVE_CLUTTER
- return renderer_clutter_new(pr);
-#else
- log_printf("Warning: Geeqie is built without clutter renderer support");
-#endif
- }
- return renderer_tiles_new(pr);
-}
-
-
-static void pixbuf_renderer_init(PixbufRenderer *pr)
-{
- GtkWidget *box;
-
- box = GTK_WIDGET(pr);
-
- pr->zoom_min = PR_ZOOM_MIN;
- pr->zoom_max = PR_ZOOM_MAX;
- pr->zoom_quality = GDK_INTERP_BILINEAR;
- pr->zoom_2pass = FALSE;
-
- pr->zoom = 1.0;
- pr->scale = 1.0;
- pr->aspect_ratio = 1.0;
-
- pr->scroll_reset = PR_SCROLL_RESET_TOPLEFT;
-
- pr->scroller_id = 0;
- pr->scroller_overlay = -1;
-
- pr->x_mouse = -1;
- pr->y_mouse = -1;
-
- pr->source_tiles_enabled = FALSE;
- pr->source_tiles = NULL;
-
- pr->orientation = 1;
-
- pr->norm_center_x = 0.5;
- pr->norm_center_y = 0.5;
-
- pr->stereo_mode = PR_STEREO_NONE;
-
- pr->color.red =0;
- pr->color.green =0;
- pr->color.blue =0;
-
- pr->renderer = pr_backend_renderer_new(pr);
-
- pr->renderer2 = NULL;
-
- gtk_widget_set_double_buffered(box, FALSE);
- gtk_widget_set_app_paintable(box, TRUE);
- g_signal_connect_after(G_OBJECT(box), "size_allocate",
- G_CALLBACK(pr_size_cb), pr);
-
- pr_signals_connect(pr);
-}
-
-static void pixbuf_renderer_finalize(GObject *object)
-{
- PixbufRenderer *pr;
-
- pr = PIXBUF_RENDERER(object);
-
- pr->renderer->free(pr->renderer);
- if (pr->renderer2) pr->renderer2->free(pr->renderer2);
-
-
- if (pr->pixbuf) g_object_unref(pr->pixbuf);
-
- pr_scroller_timer_set(pr, FALSE);
-
- pr_source_tile_free_all(pr);
-}
-
-PixbufRenderer *pixbuf_renderer_new(void)
-{
- return g_object_new(TYPE_PIXBUF_RENDERER, NULL);
-}
-
-static void pixbuf_renderer_set_property(GObject *object, guint prop_id,
- const GValue *value, GParamSpec *pspec)
-{
- PixbufRenderer *pr;
-
- pr = PIXBUF_RENDERER(object);
-
- switch (prop_id)
- {
- case PROP_ZOOM_MIN:
- pr->zoom_min = g_value_get_double(value);
- break;
- case PROP_ZOOM_MAX:
- pr->zoom_max = g_value_get_double(value);
- break;
- case PROP_ZOOM_QUALITY:
- pr->zoom_quality = g_value_get_uint(value);
- break;
- case PROP_ZOOM_2PASS:
- pr->zoom_2pass = g_value_get_boolean(value);
- break;
- case PROP_ZOOM_EXPAND:
- pr->zoom_expand = g_value_get_boolean(value);
- break;
- case PROP_SCROLL_RESET:
- pr->scroll_reset = g_value_get_uint(value);
- break;
- case PROP_DELAY_FLIP:
- pr->delay_flip = g_value_get_boolean(value);
- break;
- case PROP_LOADING:
- pr->loading = g_value_get_boolean(value);
- break;
- case PROP_COMPLETE:
- pr->complete = g_value_get_boolean(value);
- break;
- case PROP_CACHE_SIZE_DISPLAY:
-// pr->tile_cache_max = g_value_get_uint(value);
- break;
- case PROP_CACHE_SIZE_TILES:
- pr->source_tiles_cache_size = g_value_get_uint(value);
- break;
- case PROP_WINDOW_FIT:
- pr->window_fit = g_value_get_boolean(value);
- break;
- case PROP_WINDOW_LIMIT:
- pr->window_limit = g_value_get_boolean(value);
- break;
- case PROP_WINDOW_LIMIT_VALUE:
- pr->window_limit_size = g_value_get_uint(value);
- break;
- case PROP_AUTOFIT_LIMIT:
- pr->autofit_limit = g_value_get_boolean(value);
- break;
- case PROP_AUTOFIT_LIMIT_VALUE:
- pr->autofit_limit_size = g_value_get_uint(value);
- break;
- case PROP_ENLARGEMENT_LIMIT_VALUE:
- pr->enlargement_limit_size = g_value_get_uint(value);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
- break;
- }
-}
-
-static void pixbuf_renderer_get_property(GObject *object, guint prop_id,
- GValue *value, GParamSpec *pspec)
-{
- PixbufRenderer *pr;
-
- pr = PIXBUF_RENDERER(object);
-
- switch (prop_id)
- {
- case PROP_ZOOM_MIN:
- g_value_set_double(value, pr->zoom_min);
- break;
- case PROP_ZOOM_MAX:
- g_value_set_double(value, pr->zoom_max);
- break;
- case PROP_ZOOM_QUALITY:
- g_value_set_uint(value, pr->zoom_quality);
- break;
- case PROP_ZOOM_2PASS:
- g_value_set_boolean(value, pr->zoom_2pass);
- break;
- case PROP_ZOOM_EXPAND:
- g_value_set_boolean(value, pr->zoom_expand);
- break;
- case PROP_SCROLL_RESET:
- g_value_set_uint(value, pr->scroll_reset);
- break;
- case PROP_DELAY_FLIP:
- g_value_set_boolean(value, pr->delay_flip);
- break;
- case PROP_LOADING:
- g_value_set_boolean(value, pr->loading);
- break;
- case PROP_COMPLETE:
- g_value_set_boolean(value, pr->complete);
- break;
- case PROP_CACHE_SIZE_DISPLAY:
-// g_value_set_uint(value, pr->tile_cache_max);
- break;
- case PROP_CACHE_SIZE_TILES:
- g_value_set_uint(value, pr->source_tiles_cache_size);
- break;
- case PROP_WINDOW_FIT:
- g_value_set_boolean(value, pr->window_fit);
- break;
- case PROP_WINDOW_LIMIT:
- g_value_set_boolean(value, pr->window_limit);
- break;
- case PROP_WINDOW_LIMIT_VALUE:
- g_value_set_uint(value, pr->window_limit_size);
- break;
- case PROP_AUTOFIT_LIMIT:
- g_value_set_boolean(value, pr->autofit_limit);
- break;
- case PROP_AUTOFIT_LIMIT_VALUE:
- g_value_set_uint(value, pr->autofit_limit_size);
- break;
- case PROP_ENLARGEMENT_LIMIT_VALUE:
- g_value_set_uint(value, pr->enlargement_limit_size);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
- break;
- }
-}
-
-
-/*
- *-------------------------------------------------------------------
- * misc utilities
- *-------------------------------------------------------------------
- */
-
-static void widget_set_cursor(GtkWidget *widget, gint icon)
-{
- GdkCursor *cursor;
-
- if (!gtk_widget_get_window(widget)) return;
-
- if (icon == -1)
- {
- cursor = NULL;
- }
- else
- {
- cursor = gdk_cursor_new(icon);
- }
-
- gdk_window_set_cursor(gtk_widget_get_window(widget), cursor);
-
- if (cursor) gdk_cursor_unref(cursor);
-}
-
-gboolean pr_clip_region(gint x, gint y, gint w, gint h,
- gint clip_x, gint clip_y, gint clip_w, gint clip_h,
- gint *rx, gint *ry, gint *rw, gint *rh)
-{
- if (clip_x + clip_w <= x ||
- clip_x >= x + w ||
- clip_y + clip_h <= y ||
- clip_y >= y + h)
- {
- return FALSE;
- }
-
- *rx = MAX(x, clip_x);
- *rw = MIN((x + w), (clip_x + clip_w)) - *rx;
-
- *ry = MAX(y, clip_y);
- *rh = MIN((y + h), (clip_y + clip_h)) - *ry;
-
- return TRUE;
-}
-
-static gboolean pr_parent_window_sizable(PixbufRenderer *pr)
-{
- GdkWindowState state;
-
- if (!pr->parent_window) return FALSE;
- if (!pr->window_fit) return FALSE;
- if (!gtk_widget_get_window(GTK_WIDGET(pr))) return FALSE;
-
- if (!gtk_widget_get_window(pr->parent_window)) return FALSE;
- state = gdk_window_get_state(gtk_widget_get_window(pr->parent_window));
- if (state & GDK_WINDOW_STATE_MAXIMIZED) return FALSE;
-
- return TRUE;
-}
-
-static gboolean pr_parent_window_resize(PixbufRenderer *pr, gint w, gint h)
-{
- GtkWidget *widget;
- GtkWidget *parent;
- gint ww, wh;
- GtkAllocation widget_allocation;
- GtkAllocation parent_allocation;
-
- if (!pr_parent_window_sizable(pr)) return FALSE;
-
- if (pr->window_limit)
- {
- gint sw = gdk_screen_width() * pr->window_limit_size / 100;
- gint sh = gdk_screen_height() * pr->window_limit_size / 100;
-
- if (w > sw) w = sw;
- if (h > sh) h = sh;
- }
-
- widget = GTK_WIDGET(pr);
- parent = GTK_WIDGET(pr->parent_window);
-
- gtk_widget_get_allocation(widget, &widget_allocation);
- gtk_widget_get_allocation(parent, &parent_allocation);
-
- w += (parent_allocation.width - widget_allocation.width);
- h += (parent_allocation.height - widget_allocation.height);
-
- ww = gdk_window_get_width(gtk_widget_get_window(parent));
- wh = gdk_window_get_height(gtk_widget_get_window(parent));
- if (w == ww && h == wh) return FALSE;
-
- gdk_window_resize(gtk_widget_get_window(parent), w, h);
-
- return TRUE;
-}
-
-void pixbuf_renderer_set_parent(PixbufRenderer *pr, GtkWindow *window)
-{
- g_return_if_fail(IS_PIXBUF_RENDERER(pr));
- g_return_if_fail(window == NULL || GTK_IS_WINDOW(window));
-
- pr->parent_window = GTK_WIDGET(window);
-}
-
-GtkWindow *pixbuf_renderer_get_parent(PixbufRenderer *pr)
-{
- g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
-
- return GTK_WINDOW(pr->parent_window);
-}
-
-
-/*
- *-------------------------------------------------------------------
- * overlays
- *-------------------------------------------------------------------
- */
-
-
-gint pixbuf_renderer_overlay_add(PixbufRenderer *pr, GdkPixbuf *pixbuf, gint x, gint y,
- OverlayRendererFlags flags)
-{
- /* let's assume both renderers returns the same value */
- if (pr->renderer2) pr->renderer2->overlay_add(pr->renderer2, pixbuf, x, y, flags);
- return pr->renderer->overlay_add(pr->renderer, pixbuf, x, y, flags);
-}
-
-void pixbuf_renderer_overlay_set(PixbufRenderer *pr, gint id, GdkPixbuf *pixbuf, gint x, gint y)
-{
- pr->renderer->overlay_set(pr->renderer, id, pixbuf, x, y);
- if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, pixbuf, x, y);
-}
-
-gboolean pixbuf_renderer_overlay_get(PixbufRenderer *pr, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
-{
- if (pr->renderer2) pr->renderer2->overlay_get(pr->renderer2, id, pixbuf, x, y);
- return pr->renderer->overlay_get(pr->renderer, id, pixbuf, x, y);
-}
-
-void pixbuf_renderer_overlay_remove(PixbufRenderer *pr, gint id)
-{
- pr->renderer->overlay_set(pr->renderer, id, NULL, 0, 0);
- if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, NULL, 0, 0);
-}
-
-/*
- *-------------------------------------------------------------------
- * scroller overlay
- *-------------------------------------------------------------------
- */
-
-
-static gboolean pr_scroller_update_cb(gpointer data)
-{
- PixbufRenderer *pr = data;
- gint x, y;
- gint xinc, yinc;
-
- /* this was a simple scroll by difference between scroller and mouse position,
- * but all this math results in a smoother result and accounts for a dead zone.
- */
-
- if (abs(pr->scroller_xpos - pr->scroller_x) < PR_SCROLLER_DEAD_ZONE)
- {
- x = 0;
- }
- else
- {
- gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
- x = (pr->scroller_xpos - pr->scroller_x) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
- x += (x > 0) ? -shift : shift;
- }
-
- if (abs(pr->scroller_ypos - pr->scroller_y) < PR_SCROLLER_DEAD_ZONE)
- {
- y = 0;
- }
- else
- {
- gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
- y = (pr->scroller_ypos - pr->scroller_y) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
- y += (y > 0) ? -shift : shift;
- }
-
- if (abs(x) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
- {
- xinc = x;
- }
- else
- {
- xinc = pr->scroller_xinc;
-
- if (x >= 0)
- {
- if (xinc < 0) xinc = 0;
- if (x < xinc) xinc = x;
- if (x > xinc) xinc = MIN(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
- }
- else
- {
- if (xinc > 0) xinc = 0;
- if (x > xinc) xinc = x;
- if (x < xinc) xinc = MAX(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
- }
- }
-
- if (abs(y) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
- {
- yinc = y;
- }
- else
- {
- yinc = pr->scroller_yinc;
-
- if (y >= 0)
- {
- if (yinc < 0) yinc = 0;
- if (y < yinc) yinc = y;
- if (y > yinc) yinc = MIN(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
- }
- else
- {
- if (yinc > 0) yinc = 0;
- if (y > yinc) yinc = y;
- if (y < yinc) yinc = MAX(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
- }
- }
-
- pr->scroller_xinc = xinc;
- pr->scroller_yinc = yinc;
-
- xinc = xinc / PR_SCROLLER_UPDATES_PER_SEC;
- yinc = yinc / PR_SCROLLER_UPDATES_PER_SEC;
-
- pixbuf_renderer_scroll(pr, xinc, yinc);
-
- return TRUE;
-}
-
-static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start)
-{
- if (pr->scroller_id)
- {
- g_source_remove(pr->scroller_id);
- pr->scroller_id = 0;
- }
-
- if (start)
- {
- pr->scroller_id = g_timeout_add(1000 / PR_SCROLLER_UPDATES_PER_SEC,
- pr_scroller_update_cb, pr);
- }
-}
-
-static void pr_scroller_start(PixbufRenderer *pr, gint x, gint y)
-{
- if (pr->scroller_overlay == -1)
- {
- GdkPixbuf *pixbuf;
- gint w, h;
-
-#ifdef GQ_BUILD
- pixbuf = pixbuf_inline(PIXBUF_INLINE_SCROLLER);
-#else
- pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 32, 32);
- gdk_pixbuf_fill(pixbuf, 0x000000ff);
-#endif
- w = gdk_pixbuf_get_width(pixbuf);
- h = gdk_pixbuf_get_height(pixbuf);
-
- pr->scroller_overlay = pixbuf_renderer_overlay_add(pr, pixbuf, x - w / 2, y - h / 2, OVL_NORMAL);
- g_object_unref(pixbuf);
- }
-
- pr->scroller_x = x;
- pr->scroller_y = y;
- pr->scroller_xpos = x;
- pr->scroller_ypos = y;
-
- pr_scroller_timer_set(pr, TRUE);
-}
-
-static void pr_scroller_stop(PixbufRenderer *pr)
-{
- if (!pr->scroller_id) return;
-
- pixbuf_renderer_overlay_remove(pr, pr->scroller_overlay);
- pr->scroller_overlay = -1;
-
- pr_scroller_timer_set(pr, FALSE);
-}
-
-/*
- *-------------------------------------------------------------------
- * borders
- *-------------------------------------------------------------------
- */
-
-void pixbuf_renderer_set_color(PixbufRenderer *pr, GdkColor *color)
-{
- g_return_if_fail(IS_PIXBUF_RENDERER(pr));
-
- if (color)
- {
- pr->color.red = color->red;
- pr->color.green = color->green;
- pr->color.blue = color->blue;
- }
- else
- {
- pr->color.red = 0;
- pr->color.green = 0;
- pr->color.blue = 0;
- }
-
- pr->renderer->update_viewport(pr->renderer);
- if (pr->renderer2) pr->renderer2->update_viewport(pr->renderer2);
-}
-
-/*
- *-------------------------------------------------------------------
- * source tiles
- *-------------------------------------------------------------------
- */
-
-static void pr_source_tile_free(SourceTile *st)
-{
- if (!st) return;
-
- if (st->pixbuf) g_object_unref(st->pixbuf);
- g_free(st);
-}
-
-static void pr_source_tile_free_all(PixbufRenderer *pr)
-{
- GList *work;
-
- work = pr->source_tiles;
- while (work)
- {
- SourceTile *st;
-
- st = work->data;
- work = work->next;
-
- pr_source_tile_free(st);
- }
-
- g_list_free(pr->source_tiles);
- pr->source_tiles = NULL;
-}
-
-static void pr_source_tile_unset(PixbufRenderer *pr)
-{
- pr_source_tile_free_all(pr);
- pr->source_tiles_enabled = FALSE;
-}
-
-static gboolean pr_source_tile_visible(PixbufRenderer *pr, SourceTile *st)
-{
- gint x1, y1, x2, y2;
-
- if (!st) return FALSE;
-
-// x1 = ROUND_DOWN(pr->x_scroll, pr->tile_width);
-// y1 = ROUND_DOWN(pr->y_scroll, pr->tile_height);
-// x2 = ROUND_UP(pr->x_scroll + pr->vis_width, pr->tile_width);
-// y2 = ROUND_UP(pr->y_scroll + pr->vis_height, pr->tile_height);
- x1 = pr->x_scroll;
- y1 = pr->y_scroll;
- x2 = pr->x_scroll + pr->vis_width;
- y2 = pr->y_scroll + pr->vis_height;
-
- return !((gdouble)st->x * pr->scale > (gdouble)x2 ||
- (gdouble)(st->x + pr->source_tile_width) * pr->scale < (gdouble)x1 ||
- (gdouble)st->y * pr->scale > (gdouble)y2 ||
- (gdouble)(st->y + pr->source_tile_height) * pr->scale < (gdouble)y1);
-}
-
-static SourceTile *pr_source_tile_new(PixbufRenderer *pr, gint x, gint y)
-{
- SourceTile *st = NULL;
- gint count;
-
- g_return_val_if_fail(pr->source_tile_width >= 1 && pr->source_tile_height >= 1, NULL);
-
- if (pr->source_tiles_cache_size < 4) pr->source_tiles_cache_size = 4;
-
- count = g_list_length(pr->source_tiles);
- if (count >= pr->source_tiles_cache_size)
- {
- GList *work;
-
- work = g_list_last(pr->source_tiles);
- while (work && count >= pr->source_tiles_cache_size)
- {
- SourceTile *needle;
-
- needle = work->data;
- work = work->prev;
-
- if (!pr_source_tile_visible(pr, needle))
- {
- pr->source_tiles = g_list_remove(pr->source_tiles, needle);
-
- if (pr->func_tile_dispose)
- {
- pr->func_tile_dispose(pr, needle->x, needle->y,
- pr->source_tile_width, pr->source_tile_height,
- needle->pixbuf, pr->func_tile_data);
- }
-
- if (!st)
- {
- st = needle;
- }
- else
- {
- pr_source_tile_free(needle);
- }
-
- count--;
- }
- }
- }
-
- if (!st)
- {
- st = g_new0(SourceTile, 1);
- st->pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
- pr->source_tile_width, pr->source_tile_height);
- }
-
- st->x = ROUND_DOWN(x, pr->source_tile_width);
- st->y = ROUND_DOWN(y, pr->source_tile_height);
- st->blank = TRUE;
-
- pr->source_tiles = g_list_prepend(pr->source_tiles, st);
-
- return st;
-}
-
-static SourceTile *pr_source_tile_request(PixbufRenderer *pr, gint x, gint y)
-{
- SourceTile *st;
-
- st = pr_source_tile_new(pr, x, y);
- if (!st) return NULL;
-
- if (pr->func_tile_request &&
- pr->func_tile_request(pr, st->x, st->y,
- pr->source_tile_width, pr->source_tile_height, st->pixbuf, pr->func_tile_data))
- {
- st->blank = FALSE;
- }
-
- pr->renderer->invalidate_region(pr->renderer, st->x * pr->scale, st->y * pr->scale,
- pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
- if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, st->x * pr->scale, st->y * pr->scale,
- pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
- return st;
-}
-
-static SourceTile *pr_source_tile_find(PixbufRenderer *pr, gint x, gint y)
-{
- GList *work;
-
- work = pr->source_tiles;
- while (work)
- {
- SourceTile *st = work->data;
-
- if (x >= st->x && x < st->x + pr->source_tile_width &&
- y >= st->y && y < st->y + pr->source_tile_height)
- {
- if (work != pr->source_tiles)
- {
- pr->source_tiles = g_list_remove_link(pr->source_tiles, work);
- pr->source_tiles = g_list_concat(work, pr->source_tiles);
- }
- return st;
- }
-
- work = work->next;
- }
-
- return NULL;
-}
-
-GList *pr_source_tile_compute_region(PixbufRenderer *pr, gint x, gint y, gint w, gint h, gboolean request)
-{
- gint x1, y1;
- GList *list = NULL;
- gint sx, sy;
-
- if (x < 0) x = 0;
- if (y < 0) y = 0;
- if (w > pr->image_width) w = pr->image_width;
- if (h > pr->image_height) h = pr->image_height;
-
- sx = ROUND_DOWN(x, pr->source_tile_width);
- sy = ROUND_DOWN(y, pr->source_tile_height);
-
- for (x1 = sx; x1 < x + w; x1+= pr->source_tile_width)
- {
- for (y1 = sy; y1 < y + h; y1 += pr->source_tile_height)
- {
- SourceTile *st;
-
- st = pr_source_tile_find(pr, x1, y1);
- if (!st && request) st = pr_source_tile_request(pr, x1, y1);
-
- if (st) list = g_list_prepend(list, st);
- }
- }
-
- return g_list_reverse(list);
-}
-
-static void pr_source_tile_changed(PixbufRenderer *pr, gint x, gint y, gint width, gint height)
-{
- GList *work;
-
- if (width < 1 || height < 1) return;
-
- work = pr->source_tiles;
- while (work)
- {
- SourceTile *st;
- gint rx, ry, rw, rh;
-
- st = work->data;
- work = work->next;
-
- if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
- x, y, width, height,
- &rx, &ry, &rw, &rh))
- {
- GdkPixbuf *pixbuf;
-
- pixbuf = gdk_pixbuf_new_subpixbuf(st->pixbuf, rx - st->x, ry - st->y, rw, rh);
- if (pr->func_tile_request &&
- pr->func_tile_request(pr, rx, ry, rw, rh, pixbuf, pr->func_tile_data))
- {
- pr->renderer->invalidate_region(pr->renderer, rx * pr->scale, ry * pr->scale,
- rw * pr->scale, rh * pr->scale);
- if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, rx * pr->scale, ry * pr->scale,
- rw * pr->scale, rh * pr->scale);
- }
- g_object_unref(pixbuf);
- }
- }
-}
-
-void pixbuf_renderer_set_tiles(PixbufRenderer *pr, gint width, gint height,
- gint tile_width, gint tile_height, gint cache_size,
- PixbufRendererTileRequestFunc func_request,
- PixbufRendererTileDisposeFunc func_dispose,
- gpointer user_data,
- gdouble zoom)
-{
- g_return_if_fail(IS_PIXBUF_RENDERER(pr));
- g_return_if_fail(tile_width >= 32 && tile_height >= 32);
- g_return_if_fail(width >= 32 && height > 32);
- g_return_if_fail(func_request != NULL);
-
- if (pr->pixbuf) g_object_unref(pr->pixbuf);
- pr->pixbuf = NULL;
-
- pr_source_tile_unset(pr);
-
- if (cache_size < 4) cache_size = 4;
-
- pr->source_tiles_enabled = TRUE;
- pr->source_tiles_cache_size = cache_size;
- pr->source_tile_width = tile_width;
- pr->source_tile_height = tile_height;
-
- pr->image_width = width;
- pr->image_height = height;
-
- pr->func_tile_request = func_request;
- pr->func_tile_dispose = func_dispose;
- pr->func_tile_data = user_data;
-
- pr_stereo_temp_disable(pr, TRUE);
- pr_zoom_sync(pr, zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
-}
-
-void pixbuf_renderer_set_tiles_size(PixbufRenderer *pr, gint width, gint height)
-{
- g_return_if_fail(IS_PIXBUF_RENDERER(pr));
- g_return_if_fail(width >= 32 && height > 32);
-
- if (!pr->source_tiles_enabled) return;
- if (pr->image_width == width && pr->image_height == height) return;
-
- pr->image_width = width;
- pr->image_height = height;
-
- pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
-}
-
-gint pixbuf_renderer_get_tiles(PixbufRenderer *pr)
-{
- g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
-
- return pr->source_tiles_enabled;
-}
-
-static void pr_zoom_adjust_real(PixbufRenderer *pr, gdouble increment,
- PrZoomFlags flags, gint x, gint y)
-{
- gdouble zoom = pr->zoom;
-
- if (increment == 0.0) return;
-
- if (zoom == 0.0)
- {
- if (pr->scale < 1.0)
- {
- zoom = 0.0 - 1.0 / pr->scale;
- }
- else
- {
- zoom = pr->scale;
- }
- }
-
- if (options->image.zoom_style == ZOOM_GEOMETRIC)
- {
- if (increment < 0.0)
- {
- if (zoom >= 1.0)
- {
- if (zoom / -(increment - 1.0) < 1.0)
- {
- zoom = 1.0 / (zoom / (increment - 1.0));
- }
- else
- {
- zoom = zoom / -(increment - 1.0) ;
- }
- }
- else
- {
- zoom = zoom * -(increment - 1.0);
- }
- }
- else
- {
- if (zoom <= -1.0 )
- {
- if (zoom / (increment + 1.0) > -1.0)
- {
- zoom = -(1.0 / (zoom / (increment + 1.0)));
- }
- else
- {
- zoom = zoom / (increment + 1.0) ;
- }
- }
- else
- {
- zoom = zoom * (increment + 1.0);
- }
- }
- }
- else
- {
- if (increment < 0.0)
- {
- if (zoom >= 1.0 && zoom + increment < 1.0)
- {
- zoom = zoom + increment - 2.0;
- }
- else
- {
- zoom = zoom + increment;
- }
- }
- else
- {
- if (zoom <= -1.0 && zoom + increment > -1.0)
- {
- zoom = zoom + increment + 2.0;
- }
- else
- {
- zoom = zoom + increment;
- }
- }
- }
-
- pr_zoom_sync(pr, zoom, flags, x, y);
-}
-
-
-/*
- *-------------------------------------------------------------------
- * signal emission
- *-------------------------------------------------------------------
- */
-
-static void pr_update_signal(PixbufRenderer *pr)
-{
- DEBUG_1("%s pixbuf renderer updated - started drawing %p, img: %dx%d", get_exec_time(), pr, pr->image_width, pr->image_height);
- pr->debug_updated = TRUE;
-}
-
-static void pr_zoom_signal(PixbufRenderer *pr)
-{
- g_signal_emit(pr, signals[SIGNAL_ZOOM], 0, pr->zoom);
-}
-
-static void pr_clicked_signal(PixbufRenderer *pr, GdkEventButton *bevent)
-{
- g_signal_emit(pr, signals[SIGNAL_CLICKED], 0, bevent);
-}
-
-static void pr_scroll_notify_signal(PixbufRenderer *pr)
-{
- g_signal_emit(pr, signals[SIGNAL_SCROLL_NOTIFY], 0);
-}
-
-void pr_render_complete_signal(PixbufRenderer *pr)
-{
- if (!pr->complete)
- {
- g_signal_emit(pr, signals[SIGNAL_RENDER_COMPLETE], 0);
- g_object_set(G_OBJECT(pr), "complete", TRUE, NULL);
- }
- if (pr->debug_updated)
- {
- DEBUG_1("%s pixbuf renderer done %p", get_exec_time(), pr);
- pr->debug_updated = FALSE;
- }
-}
-
-static void pr_drag_signal(PixbufRenderer *pr, GdkEventMotion *event)
-{
- g_signal_emit(pr, signals[SIGNAL_DRAG], 0, event);
-}
-
-static void pr_update_pixel_signal(PixbufRenderer *pr)
-{
- g_signal_emit(pr, signals[SIGNAL_UPDATE_PIXEL], 0);
-}
-
-/*
- *-------------------------------------------------------------------
- * sync and clamp
- *-------------------------------------------------------------------
- */
-
-
-void pr_tile_coords_map_orientation(gint orientation,
- gdouble tile_x, gdouble tile_y, /* coordinates of the tile */
- gdouble image_w, gdouble image_h,
- gdouble tile_w, gdouble tile_h,
- gdouble *res_x, gdouble *res_y)
-{
- *res_x = tile_x;
- *res_y = tile_y;
- switch (orientation)
- {
- case EXIF_ORIENTATION_TOP_LEFT:
- /* normal -- nothing to do */
- break;
- case EXIF_ORIENTATION_TOP_RIGHT:
- /* mirrored */
- *res_x = image_w - tile_x - tile_w;
- break;
- case EXIF_ORIENTATION_BOTTOM_RIGHT:
- /* upside down */
- *res_x = image_w - tile_x - tile_w;
- *res_y = image_h - tile_y - tile_h;
- break;
- case EXIF_ORIENTATION_BOTTOM_LEFT:
- /* flipped */
- *res_y = image_h - tile_y - tile_h;
- break;
- case EXIF_ORIENTATION_LEFT_TOP:
- *res_x = tile_y;
- *res_y = tile_x;
- break;
- case EXIF_ORIENTATION_RIGHT_TOP:
- /* rotated -90 (270) */
- *res_x = tile_y;
- *res_y = image_w - tile_x - tile_w;
- break;
- case EXIF_ORIENTATION_RIGHT_BOTTOM:
- *res_x = image_h - tile_y - tile_h;
- *res_y = image_w - tile_x - tile_w;
- break;
- case EXIF_ORIENTATION_LEFT_BOTTOM:
- /* rotated 90 */
- *res_x = image_h - tile_y - tile_h;
- *res_y = tile_x;
- break;
- default:
- /* The other values are out of range */
- break;
- }
-// log_printf("tile coord y:%f, ih:%d, th:%f ry:%f\n", tile_y, image_h, tile_h, *res_x);
-}
-
-void pr_tile_region_map_orientation(gint orientation,
- gint area_x, gint area_y, /* coordinates of the area inside tile */
- gint tile_w, gint tile_h,
- gint area_w, gint area_h,
- gint *res_x, gint *res_y,
- gint *res_w, gint *res_h)
-{
- *res_x = area_x;
- *res_y = area_y;
- *res_w = area_w;
- *res_h = area_h;
-
- switch (orientation)
- {
- case EXIF_ORIENTATION_TOP_LEFT:
- /* normal -- nothing to do */
- break;
- case EXIF_ORIENTATION_TOP_RIGHT:
- /* mirrored */
- *res_x = tile_w - area_x - area_w;
- break;
- case EXIF_ORIENTATION_BOTTOM_RIGHT:
- /* upside down */
- *res_x = tile_w - area_x - area_w;
- *res_y = tile_h - area_y - area_h;
- break;
- case EXIF_ORIENTATION_BOTTOM_LEFT:
- /* flipped */
- *res_y = tile_h - area_y - area_h;
- break;
- case EXIF_ORIENTATION_LEFT_TOP:
- *res_x = area_y;
- *res_y = area_x;
- *res_w = area_h;
- *res_h = area_w;
- break;
- case EXIF_ORIENTATION_RIGHT_TOP:
- /* rotated -90 (270) */
- *res_x = area_y;
- *res_y = tile_w - area_x - area_w;
- *res_w = area_h;
- *res_h = area_w;
- break;
- case EXIF_ORIENTATION_RIGHT_BOTTOM:
- *res_x = tile_h - area_y - area_h;
- *res_y = tile_w - area_x - area_w;
- *res_w = area_h;
- *res_h = area_w;
- break;
- case EXIF_ORIENTATION_LEFT_BOTTOM:
- /* rotated 90 */
- *res_x = tile_h - area_y - area_h;
- *res_y = area_x;
- *res_w = area_h;
- *res_h = area_w;
- break;
- default:
- /* The other values are out of range */
- break;
- }
-// log_printf("inside y:%d, th:%d, ah:%d ry:%d\n", area_y, tile_h, area_h, *res_x);
-}
-
-void pr_coords_map_orientation_reverse(gint orientation,
- gint area_x, gint area_y,
- gint tile_w, gint tile_h,
- gint area_w, gint area_h,
- gint *res_x, gint *res_y,
- gint *res_w, gint *res_h)
-{
- *res_x = area_x;
- *res_y = area_y;
- *res_w = area_w;
- *res_h = area_h;
-
- switch (orientation)
- {
- case EXIF_ORIENTATION_TOP_LEFT:
- /* normal -- nothing to do */
- break;
- case EXIF_ORIENTATION_TOP_RIGHT:
- /* mirrored */
- *res_x = tile_w - area_x - area_w;
- break;
- case EXIF_ORIENTATION_BOTTOM_RIGHT:
- /* upside down */
- *res_x = tile_w - area_x - area_w;
- *res_y = tile_h - area_y - area_h;
- break;
- case EXIF_ORIENTATION_BOTTOM_LEFT:
- /* flipped */
- *res_y = tile_h - area_y - area_h;
- break;
- case EXIF_ORIENTATION_LEFT_TOP:
- *res_x = area_y;
- *res_y = area_x;
- *res_w = area_h;
- *res_h = area_w;
- break;
- case EXIF_ORIENTATION_RIGHT_TOP:
- /* rotated -90 (270) */
- *res_x = tile_w - area_y - area_h;
- *res_y = area_x;
- *res_w = area_h;
- *res_h = area_w;
- break;
- case EXIF_ORIENTATION_RIGHT_BOTTOM:
- *res_x = tile_w - area_y - area_h;
- *res_y = tile_h - area_x - area_w;
- *res_w = area_h;
- *res_h = area_w;
- break;
- case EXIF_ORIENTATION_LEFT_BOTTOM:
- /* rotated 90 */
- *res_x = area_y;
- *res_y = tile_h - area_x - area_w;
- *res_w = area_h;
- *res_h = area_w;
- break;
- default:
- /* The other values are out of range */
- break;
- }
-}
-
-
-
-static void pixbuf_renderer_sync_scroll_center(PixbufRenderer *pr)
-{
- gint src_x, src_y;
- if (!pr->width || !pr->height) return;
-
- /*
- * Update norm_center only if the image is bigger than the window.
- * With this condition the stored center survives also a temporary display
- * of the "broken image" icon.
- */
-
- if (pr->width > pr->viewport_width)
- {
- src_x = pr->x_scroll + pr->vis_width / 2;
- pr->norm_center_x = (gdouble)src_x / pr->width;
- }
-
- if (pr->height > pr->viewport_height)
- {
- src_y = pr->y_scroll + pr->vis_height / 2;
- pr->norm_center_y = (gdouble)src_y / pr->height;
- }
-}
-
-
-static gboolean pr_scroll_clamp(PixbufRenderer *pr)
-{
- gint old_xs;
- gint old_ys;
-
- if (pr->zoom == 0.0)
- {
- pr->x_scroll = 0;
- pr->y_scroll = 0;
-
- return FALSE;
- }
-
- old_xs = pr->x_scroll;
- old_ys = pr->y_scroll;
-
- if (pr->x_offset > 0)
- {
- pr->x_scroll = 0;
- }
- else
- {
- pr->x_scroll = CLAMP(pr->x_scroll, 0, pr->width - pr->vis_width);
- }
-
- if (pr->y_offset > 0)
- {
- pr->y_scroll = 0;
- }
- else
- {
- pr->y_scroll = CLAMP(pr->y_scroll, 0, pr->height - pr->vis_height);
- }
-
- pixbuf_renderer_sync_scroll_center(pr);
-
- return (old_xs != pr->x_scroll || old_ys != pr->y_scroll);
-}
-
-static gboolean pr_size_clamp(PixbufRenderer *pr)
-{
- gint old_vw, old_vh;
-
- old_vw = pr->vis_width;
- old_vh = pr->vis_height;
-
- if (pr->width < pr->viewport_width)
- {
- pr->vis_width = pr->width;
- pr->x_offset = (pr->viewport_width - pr->width) / 2;
- }
- else
- {
- pr->vis_width = pr->viewport_width;
- pr->x_offset = 0;
- }
-
- if (pr->height < pr->viewport_height)
- {
- pr->vis_height = pr->height;
- pr->y_offset = (pr->viewport_height - pr->height) / 2;
- }
- else
- {
- pr->vis_height = pr->viewport_height;
- pr->y_offset = 0;
- }
-
- pixbuf_renderer_sync_scroll_center(pr);
-
- return (old_vw != pr->vis_width || old_vh != pr->vis_height);
-}
-
-static gboolean pr_zoom_clamp(PixbufRenderer *pr, gdouble zoom,
- PrZoomFlags flags)
-{
- gint w, h;
- gdouble scale;
- gboolean force = !!(flags & PR_ZOOM_FORCE);
- gboolean new = !!(flags & PR_ZOOM_NEW);
-
- zoom = CLAMP(zoom, pr->zoom_min, pr->zoom_max);
-
- if (pr->zoom == zoom && !force) return FALSE;
-
- w = pr->image_width;
- h = pr->image_height;
-
- if (zoom == 0.0 && !pr->pixbuf)
- {
- scale = 1.0;
- }
- else if (zoom == 0.0)
- {
- gint max_w;
- gint max_h;
- gboolean sizeable;
-
- sizeable = (new && pr_parent_window_sizable(pr));
-
- if (sizeable)
- {
- max_w = gdk_screen_width();
- max_h = gdk_screen_height();
-
- if (pr->window_limit)
- {
- max_w = max_w * pr->window_limit_size / 100;
- max_h = max_h * pr->window_limit_size / 100;
- }
- }
- else
- {
- max_w = pr->viewport_width;
- max_h = pr->viewport_height;
- }
-
- if ((pr->zoom_expand && !sizeable) || w > max_w || h > max_h)
- {
- if ((gdouble)max_w / w > (gdouble)max_h / h / pr->aspect_ratio)
- {
- scale = (gdouble)max_h / h / pr->aspect_ratio;
- h = max_h;
- w = w * scale + 0.5;
- if (w > max_w) w = max_w;
- }
- else
- {
- scale = (gdouble)max_w / w;
- w = max_w;
- h = h * scale * pr->aspect_ratio + 0.5;
- if (h > max_h) h = max_h;
- }
-
- if (pr->autofit_limit)
- {
- gdouble factor = (gdouble)pr->autofit_limit_size / 100;
- w = w * factor + 0.5;
- h = h * factor + 0.5;
- scale = scale * factor;
- }
-
- if (pr->zoom_expand)
- {
- gdouble factor = (gdouble)pr->enlargement_limit_size / 100;
- if (scale > factor)
- {
- w = w * factor / scale;
- h = h * factor / scale;
- scale = factor;
- }
- }
-
- if (w < 1) w = 1;
- if (h < 1) h = 1;
- }
- else
- {
- scale = 1.0;
- }
- }
- else if (zoom > 0.0) /* zoom orig, in */
- {
- scale = zoom;
- w = w * scale;
- h = h * scale * pr->aspect_ratio;
- }
- else /* zoom out */
- {
- scale = 1.0 / (0.0 - zoom);
- w = w * scale;
- h = h * scale * pr->aspect_ratio;
- }
-
- pr->zoom = zoom;
- pr->width = w;
- pr->height = h;
- pr->scale = scale;
-
- return TRUE;
-}
-
-static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
- PrZoomFlags flags, gint px, gint py)
-{
- gdouble old_scale;
- gint old_cx, old_cy;
- gboolean center_point = !!(flags & PR_ZOOM_CENTER);
- gboolean force = !!(flags & PR_ZOOM_FORCE);
- gboolean new = !!(flags & PR_ZOOM_NEW);
- gboolean lazy = !!(flags & PR_ZOOM_LAZY);
- PrZoomFlags clamp_flags = flags;
- gdouble old_center_x = pr->norm_center_x;
- gdouble old_center_y = pr->norm_center_y;
-
- old_scale = pr->scale;
- if (center_point)
- {
- px = CLAMP(px, 0, pr->width);
- py = CLAMP(py, 0, pr->height);
- old_cx = pr->x_scroll + (px - pr->x_offset);
- old_cy = pr->y_scroll + (py - pr->y_offset);
- }
- else
- {
- px = py = 0;
- old_cx = pr->x_scroll + pr->vis_width / 2;
- old_cy = pr->y_scroll + pr->vis_height / 2;
- }
-
- if (force) clamp_flags |= PR_ZOOM_INVALIDATE;
- if (!pr_zoom_clamp(pr, zoom, clamp_flags)) return;
-
- (void) pr_size_clamp(pr);
- (void) pr_parent_window_resize(pr, pr->width, pr->height);
-
- if (force && new)
- {
- switch (pr->scroll_reset)
- {
- case PR_SCROLL_RESET_NOCHANGE:
- /* maintain old scroll position */
- pr->x_scroll = ((gdouble)pr->image_width * old_center_x * pr->scale) - pr->vis_width / 2;
- pr->y_scroll = ((gdouble)pr->image_height * old_center_y * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
- break;
- case PR_SCROLL_RESET_CENTER:
- /* center new image */
- pr->x_scroll = ((gdouble)pr->image_width / 2.0 * pr->scale) - pr->vis_width / 2;
- pr->y_scroll = ((gdouble)pr->image_height / 2.0 * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
- break;
- case PR_SCROLL_RESET_TOPLEFT:
- default:
- /* reset to upper left */
- pr->x_scroll = 0;
- pr->y_scroll = 0;
- break;
- }
- }
- else
- {
- /* user zoom does not force, so keep visible center point */
- if (center_point)
- {
- pr->x_scroll = old_cx / old_scale * pr->scale - (px - pr->x_offset);
- pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (py - pr->y_offset);
- }
- else
- {
- pr->x_scroll = old_cx / old_scale * pr->scale - (pr->vis_width / 2);
- pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (pr->vis_height / 2);
- }
- }
-
- pr_scroll_clamp(pr);
-
- pr->renderer->update_zoom(pr->renderer, lazy);
- if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, lazy);
-
- pr_scroll_notify_signal(pr);
- pr_zoom_signal(pr);
- pr_update_signal(pr);
-}
-
-static void pr_size_sync(PixbufRenderer *pr, gint new_width, gint new_height)
-{
- gboolean zoom_changed = FALSE;
-
- gint new_viewport_width = new_width;
- gint new_viewport_height = new_height;
-
- if (!pr->stereo_temp_disable)
- {
- if (pr->stereo_mode & PR_STEREO_HORIZ)
- {
- new_viewport_width = new_width / 2;
- }
- else if (pr->stereo_mode & PR_STEREO_VERT)
- {
- new_viewport_height = new_height / 2;
- }
- else if (pr->stereo_mode & PR_STEREO_FIXED)
- {
- new_viewport_width = pr->stereo_fixed_width;
- new_viewport_height = pr->stereo_fixed_height;
- }
- }
-
- if (pr->window_width == new_width && pr->window_height == new_height &&
- pr->viewport_width == new_viewport_width && pr->viewport_height == new_viewport_height) return;
-
- pr->window_width = new_width;
- pr->window_height = new_height;
- pr->viewport_width = new_viewport_width;
- pr->viewport_height = new_viewport_height;
-
- if (pr->zoom == 0.0)
- {
- gdouble old_scale = pr->scale;
- pr_zoom_clamp(pr, 0.0, PR_ZOOM_FORCE);
- zoom_changed = (old_scale != pr->scale);
- }
-
- pr_size_clamp(pr);
- pr_scroll_clamp(pr);
-
- if (zoom_changed)
- {
- pr->renderer->update_zoom(pr->renderer, FALSE);
- if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, FALSE);
- }
-
- pr->renderer->update_viewport(pr->renderer);
- if (pr->renderer2) pr->renderer2->update_viewport(pr->renderer2);
-
-
- /* ensure scroller remains visible */
- if (pr->scroller_overlay != -1)
- {
- gboolean update = FALSE;
-
- if (pr->scroller_x > new_width)
- {
- pr->scroller_x = new_width;
- pr->scroller_xpos = new_width;
- update = TRUE;
- }
- if (pr->scroller_y > new_height)
- {
- pr->scroller_y = new_height;
- pr->scroller_ypos = new_height;
- update = TRUE;
- }
-
- if (update)
- {
- GdkPixbuf *pixbuf;
-
- if (pixbuf_renderer_overlay_get(pr, pr->scroller_overlay, &pixbuf, NULL, NULL))
- {
- gint w, h;
-
- w = gdk_pixbuf_get_width(pixbuf);
- h = gdk_pixbuf_get_height(pixbuf);
- pixbuf_renderer_overlay_set(pr, pr->scroller_overlay, pixbuf,
- pr->scroller_x - w / 2, pr->scroller_y - h / 2);
- }
- }
- }
-
- pr_scroll_notify_signal(pr);
- if (zoom_changed) pr_zoom_signal(pr);
- pr_update_signal(pr);
-}
-
-static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
-{
- PixbufRenderer *pr = data;
-
- pr_size_sync(pr, allocation->width, allocation->height);
-}
-
-/*
- *-------------------------------------------------------------------
- * scrolling
- *-------------------------------------------------------------------
- */
-
-void pixbuf_renderer_scroll(PixbufRenderer *pr, gint x, gint y)
-{
- gint old_x, old_y;
- gint x_off, y_off;
-
- g_return_if_fail(IS_PIXBUF_RENDERER(pr));
-
- if (!pr->pixbuf && !pr->source_tiles_enabled) return;
-
- old_x = pr->x_scroll;
- old_y = pr->y_scroll;
-
- pr->x_scroll += x;
- pr->y_scroll += y;
-
- pr_scroll_clamp(pr);
-
- pixbuf_renderer_sync_scroll_center(pr);
-
- if (pr->x_scroll == old_x && pr->y_scroll == old_y) return;
-
- pr_scroll_notify_signal(pr);
-
- x_off = pr->x_scroll - old_x;
- y_off = pr->y_scroll - old_y;
-
- pr->renderer->scroll(pr->renderer, x_off, y_off);
- if (pr->renderer2) pr->renderer2->scroll(pr->renderer2, x_off, y_off);
-}
-
-void pixbuf_renderer_scroll_to_point(PixbufRenderer *pr, gint x, gint y,
- gdouble x_align, gdouble y_align)
-{
- gint px, py;
- gint ax, ay;
-
- x_align = CLAMP(x_align, 0.0, 1.0);
- y_align = CLAMP(y_align, 0.0, 1.0);
-
- ax = (gdouble)pr->vis_width * x_align;
- ay = (gdouble)pr->vis_height * y_align;
-
- px = (gdouble)x * pr->scale - (pr->x_scroll + ax);
- py = (gdouble)y * pr->scale * pr->aspect_ratio - (pr->y_scroll + ay);
-
- pixbuf_renderer_scroll(pr, px, py);
-}
-
-/* get or set coordinates of viewport center in the image, in range 0.0 - 1.0 */
-
-void pixbuf_renderer_get_scroll_center(PixbufRenderer *pr, gdouble *x, gdouble *y)
-{
- *x = pr->norm_center_x;
- *y = pr->norm_center_y;
-}
-
-void pixbuf_renderer_set_scroll_center(PixbufRenderer *pr, gdouble x, gdouble y)
-{
- gdouble dst_x, dst_y;
-
- dst_x = x * pr->width - pr->vis_width / 2 - pr->x_scroll + CLAMP(pr->subpixel_x_scroll, -1.0, 1.0);
- dst_y = y * pr->height - pr->vis_height / 2 - pr->y_scroll + CLAMP(pr->subpixel_y_scroll, -1.0, 1.0);
-
- pr->subpixel_x_scroll = dst_x - (gint)dst_x;
- pr->subpixel_y_scroll = dst_y - (gint)dst_y;
-
- pixbuf_renderer_scroll(pr, (gint)dst_x, (gint)dst_y);
-}
-
-/*
- *-------------------------------------------------------------------
- * mouse
- *-------------------------------------------------------------------
- */
-
-static gboolean pr_mouse_motion_cb(GtkWidget *widget, GdkEventMotion *event, gpointer data)
-{
- PixbufRenderer *pr;
- gint accel;
-#if GTK_CHECK_VERSION(3,0,0)
- GdkDeviceManager *device_manager;
- GdkDevice *device;
-#endif
-
- /* This is a hack, but work far the best, at least for single pointer systems.
- * See https://bugzilla.gnome.org/show_bug.cgi?id=587714 for more. */
- gint x, y;
-#if GTK_CHECK_VERSION(3,0,0)
- device_manager = gdk_display_get_device_manager(gdk_window_get_display(event->window));
- device = gdk_device_manager_get_client_pointer(device_manager);
- gdk_window_get_device_position(event->window, device, &x, &y, NULL);
-#else
- gdk_window_get_pointer (event->window, &x, &y, NULL);
-#endif
- event->x = x;
- event->y = y;
-
- pr = PIXBUF_RENDERER(widget);
-
- if (pr->scroller_id)
- {
- pr->scroller_xpos = event->x;
- pr->scroller_ypos = event->y;
- }
-
- pr->x_mouse = event->x;
- pr->y_mouse = event->y;
- pr_update_pixel_signal(pr);
-
- if (!pr->in_drag || !gdk_pointer_is_grabbed()) return FALSE;
-
- if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
- {
- pr->drag_moved++;
- }
- else
- {
- widget_set_cursor(widget, GDK_FLEUR);
- }
-
- if (event->state & GDK_CONTROL_MASK)
- {
- accel = PR_PAN_SHIFT_MULTIPLIER;
- }
- else
- {
- accel = 1;
- }
-
- /* do the scroll - not when drawing rectangle*/
- if (!options->draw_rectangle)
- {
- pixbuf_renderer_scroll(pr, (pr->drag_last_x - event->x) * accel,
- (pr->drag_last_y - event->y) * accel);
- }
- pr_drag_signal(pr, event);
-
- pr->drag_last_x = event->x;
- pr->drag_last_y = event->y;
-
- /* This is recommended by the GTK+ documentation, but does not work properly.
- * Use deprecated way until GTK+ gets a solution for correct motion hint handling:
- * https://bugzilla.gnome.org/show_bug.cgi?id=587714
- */
- /* gdk_event_request_motions (event); */
- return FALSE;
-}
-
-static gboolean pr_leave_notify_cb(GtkWidget *widget, GdkEventCrossing *cevent, gpointer data)
-{
- PixbufRenderer *pr;
-
- pr = PIXBUF_RENDERER(widget);
- pr->x_mouse = -1;
- pr->y_mouse = -1;
-
- pr_update_pixel_signal(pr);
- return FALSE;
-}
-
-static gboolean pr_mouse_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
-{
- PixbufRenderer *pr;
- GtkWidget *parent;
-
- pr = PIXBUF_RENDERER(widget);
-
- if (pr->scroller_id) return TRUE;
-
- switch (bevent->button)
- {
- case MOUSE_BUTTON_LEFT:
- pr->in_drag = TRUE;
- pr->drag_last_x = bevent->x;
- pr->drag_last_y = bevent->y;
- pr->drag_moved = 0;
- gdk_pointer_grab(gtk_widget_get_window(widget), FALSE,
- GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_RELEASE_MASK,
- NULL, NULL, bevent->time);
- gtk_grab_add(widget);
- break;
- case MOUSE_BUTTON_MIDDLE:
- pr->drag_moved = 0;
- break;
- case MOUSE_BUTTON_RIGHT:
- pr_clicked_signal(pr, bevent);
- break;
- default:
- break;
- }
-
- parent = gtk_widget_get_parent(widget);
- if (widget && gtk_widget_get_can_focus(parent))
- {
- gtk_widget_grab_focus(parent);
- }
-
- return FALSE;
-}
-
-static gboolean pr_mouse_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
-{
- PixbufRenderer *pr;
-
- pr = PIXBUF_RENDERER(widget);
-
- if (pr->scroller_id)
- {
- pr_scroller_stop(pr);
- return TRUE;
- }
-
- if (gdk_pointer_is_grabbed() && gtk_widget_has_grab(GTK_WIDGET(pr)))
- {
- gtk_grab_remove(widget);
- gdk_pointer_ungrab(bevent->time);
- widget_set_cursor(widget, -1);
- }
-
- if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
- {
- if (bevent->button == MOUSE_BUTTON_LEFT && (bevent->state & GDK_CONTROL_MASK))
- {
- pr_scroller_start(pr, bevent->x, bevent->y);
- }
- else if (bevent->button == MOUSE_BUTTON_LEFT || bevent->button == MOUSE_BUTTON_MIDDLE)
- {
- pr_clicked_signal(pr, bevent);
- }
- }
-
- pr->in_drag = FALSE;
-
- return FALSE;
-}
-
-static gboolean pr_mouse_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
-{
- PixbufRenderer *pr;
-
- pr = PIXBUF_RENDERER(widget);
-
- if (pr->scroller_id)
- {
- pr->scroller_xpos = pr->scroller_x;
- pr->scroller_ypos = pr->scroller_y;
- pr->scroller_xinc = 0;
- pr->scroller_yinc = 0;
- }
-
- return FALSE;
-}
-
-static void pr_mouse_drag_cb(GtkWidget *widget, GdkDragContext *context, gpointer data)
-{
- PixbufRenderer *pr;
-
- pr = PIXBUF_RENDERER(widget);
-
- pr->drag_moved = PR_DRAG_SCROLL_THRESHHOLD;
-}
-
-static void pr_signals_connect(PixbufRenderer *pr)
-{
- g_signal_connect(G_OBJECT(pr), "motion_notify_event",
- G_CALLBACK(pr_mouse_motion_cb), pr);
- g_signal_connect(G_OBJECT(pr), "button_press_event",
- G_CALLBACK(pr_mouse_press_cb), pr);
- g_signal_connect(G_OBJECT(pr), "button_release_event",
- G_CALLBACK(pr_mouse_release_cb), pr);
- g_signal_connect(G_OBJECT(pr), "leave_notify_event",
- G_CALLBACK(pr_mouse_leave_cb), pr);
- g_signal_connect(G_OBJECT(pr), "leave_notify_event",
- G_CALLBACK(pr_leave_notify_cb), pr);
-
- gtk_widget_set_events(GTK_WIDGET(pr), GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK |
- GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK | GDK_SCROLL_MASK |
- GDK_LEAVE_NOTIFY_MASK);
-
- g_signal_connect(G_OBJECT(pr), "drag_begin",
- G_CALLBACK(pr_mouse_drag_cb), pr);
-
-}
-
-/*
- *-------------------------------------------------------------------
- * stereo support
- *-------------------------------------------------------------------
- */
-
-#define COLOR_BYTES 3 /* rgb */
-#define RC 0 /* Red-Cyan */
-#define GM 1 /* Green-Magenta */
-#define YB 2 /* Yellow-Blue */
-
-static void pr_create_anaglyph_color(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h, guint mode)
-{
- gint srs, drs;
- guchar *s_pix, *d_pix;
- guchar *sp, *dp;
- guchar *spi, *dpi;
- gint i, j;
-
- srs = gdk_pixbuf_get_rowstride(right);
- s_pix = gdk_pixbuf_get_pixels(right);
- spi = s_pix + (x * COLOR_BYTES);
-
- drs = gdk_pixbuf_get_rowstride(pixbuf);
- d_pix = gdk_pixbuf_get_pixels(pixbuf);
- dpi = d_pix + x * COLOR_BYTES;
-
- for (i = y; i < y + h; i++)
- {
- sp = spi + (i * srs);
- dp = dpi + (i * drs);
- for (j = 0; j < w; j++)
- {
- switch(mode)
- {
- case RC:
- dp[0] = sp[0]; /* copy red channel */
- break;
- case GM:
- dp[1] = sp[1];
- break;
- case YB:
- dp[0] = sp[0];
- dp[1] = sp[1];
- break;
- }
- sp += COLOR_BYTES;
- dp += COLOR_BYTES;
- }
- }
-}
-
-static void pr_create_anaglyph_gray(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h, guint mode)
-{
- gint srs, drs;
- guchar *s_pix, *d_pix;
- guchar *sp, *dp;
- guchar *spi, *dpi;
- gint i, j;
- const double gc[3] = {0.299, 0.587, 0.114};
-
- srs = gdk_pixbuf_get_rowstride(right);
- s_pix = gdk_pixbuf_get_pixels(right);
- spi = s_pix + (x * COLOR_BYTES);
-
- drs = gdk_pixbuf_get_rowstride(pixbuf);
- d_pix = gdk_pixbuf_get_pixels(pixbuf);
- dpi = d_pix + x * COLOR_BYTES;
-
- for (i = y; i < y + h; i++)
- {
- sp = spi + (i * srs);
- dp = dpi + (i * drs);
- for (j = 0; j < w; j++)
- {
- guchar g1 = dp[0] * gc[0] + dp[1] * gc[1] + dp[2] * gc[2];
- guchar g2 = sp[0] * gc[0] + sp[1] * gc[1] + sp[2] * gc[2];
- switch(mode)
- {
- case RC:
- dp[0] = g2; /* red channel from sp */
- dp[1] = g1; /* green and blue from dp */
- dp[2] = g1;
- break;
- case GM:
- dp[0] = g1;
- dp[1] = g2;
- dp[2] = g1;
- break;
- case YB:
- dp[0] = g2;
- dp[1] = g2;
- dp[2] = g1;
- break;
- }
- sp += COLOR_BYTES;
- dp += COLOR_BYTES;
- }
- }
-}
-
-static void pr_create_anaglyph_dubois(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h, guint mode)
-{
- gint srs, drs;
- guchar *s_pix, *d_pix;
- guchar *sp, *dp;
- guchar *spi, *dpi;
- gint i, j, k;
- double pr_dubois_matrix[3][6];
- static const double pr_dubois_matrix_RC[3][6] = {
- { 0.456, 0.500, 0.176, -0.043, -0.088, -0.002},
- {-0.040, -0.038, -0.016, 0.378, 0.734, -0.018},
- {-0.015, -0.021, -0.005, -0.072, -0.113, 1.226}};
- static const double pr_dubois_matrix_GM[3][6] = {
- {-0.062, -0.158, -0.039, 0.529, 0.705, 0.024},
- { 0.284, 0.668, 0.143, -0.016, -0.015, -0.065},
- {-0.015, -0.027, 0.021, 0.009, 0.075, 0.937}};
- static const double pr_dubois_matrix_YB[3][6] = {
- { 1.000, -0.193, 0.282, -0.015, -0.116, -0.016},
- {-0.024, 0.855, 0.064, 0.006, 0.058, -0.016},
- {-0.036, -0.163, 0.021, 0.089, 0.174, 0.858}};
-
- switch(mode)
- {
- case RC:
- memcpy(pr_dubois_matrix, pr_dubois_matrix_RC, sizeof pr_dubois_matrix);
- break;
- case GM:
- memcpy(pr_dubois_matrix, pr_dubois_matrix_GM, sizeof pr_dubois_matrix);
- break;
- case YB:
- memcpy(pr_dubois_matrix, pr_dubois_matrix_YB, sizeof pr_dubois_matrix);
- break;
- }
-
- srs = gdk_pixbuf_get_rowstride(right);
- s_pix = gdk_pixbuf_get_pixels(right);
- spi = s_pix + (x * COLOR_BYTES);
-
- drs = gdk_pixbuf_get_rowstride(pixbuf);
- d_pix = gdk_pixbuf_get_pixels(pixbuf);
- dpi = d_pix + x * COLOR_BYTES;
-
- for (i = y; i < y + h; i++)
- {
- sp = spi + (i * srs);
- dp = dpi + (i * drs);
- for (j = 0; j < w; j++)
- {
- double res[3];
- for (k = 0; k < 3; k++)
- {
- const double *m = pr_dubois_matrix[k];
- res[k] = sp[0] * m[0] + sp[1] * m[1] + sp[2] * m[2] + dp[0] * m[3] + dp[1] * m[4] + dp[2] * m[5];
- if (res[k] < 0.0) res[k] = 0;
- if (res[k] > 255.0) res[k] = 255.0;
- }
- dp[0] = res[0];
- dp[1] = res[1];
- dp[2] = res[2];
- sp += COLOR_BYTES;
- dp += COLOR_BYTES;
- }
- }
-}
-
-void pr_create_anaglyph(guint mode, GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
-{
- if (mode & PR_STEREO_ANAGLYPH_RC)
- pr_create_anaglyph_color(pixbuf, right, x, y, w, h, RC);
- else if (mode & PR_STEREO_ANAGLYPH_GM)
- pr_create_anaglyph_color(pixbuf, right, x, y, w, h, GM);
- else if (mode & PR_STEREO_ANAGLYPH_YB)
- pr_create_anaglyph_color(pixbuf, right, x, y, w, h, YB);
- else if (mode & PR_STEREO_ANAGLYPH_GRAY_RC)
- pr_create_anaglyph_gray(pixbuf, right, x, y, w, h, RC);
- else if (mode & PR_STEREO_ANAGLYPH_GRAY_GM)
- pr_create_anaglyph_gray(pixbuf, right, x, y, w, h, GM);
- else if (mode & PR_STEREO_ANAGLYPH_GRAY_YB)
- pr_create_anaglyph_gray(pixbuf, right, x, y, w, h, YB);
- else if (mode & PR_STEREO_ANAGLYPH_DB_RC)
- pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h, RC);
- else if (mode & PR_STEREO_ANAGLYPH_DB_GM)
- pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h, GM);
- else if (mode & PR_STEREO_ANAGLYPH_DB_YB)
- pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h, YB);
-}
-
-/*
- *-------------------------------------------------------------------
- * public
- *-------------------------------------------------------------------
- */
-static void pr_pixbuf_size_sync(PixbufRenderer *pr)
-{
- pr->stereo_pixbuf_offset_left = 0;
- pr->stereo_pixbuf_offset_right = 0;
- if (!pr->pixbuf) return;
- switch (pr->orientation)
- {
- case EXIF_ORIENTATION_LEFT_TOP:
- case EXIF_ORIENTATION_RIGHT_TOP:
- case EXIF_ORIENTATION_RIGHT_BOTTOM:
- case EXIF_ORIENTATION_LEFT_BOTTOM:
- pr->image_width = gdk_pixbuf_get_height(pr->pixbuf);
- pr->image_height = gdk_pixbuf_get_width(pr->pixbuf);
- if (pr->stereo_data == STEREO_PIXBUF_SBS)
- {
- pr->image_height /= 2;
- pr->stereo_pixbuf_offset_right = pr->image_height;
- }
- else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
- {
- pr->image_height /= 2;
- pr->stereo_pixbuf_offset_left = pr->image_height;
- }
-
- break;
- default:
- pr->image_width = gdk_pixbuf_get_width(pr->pixbuf);
- pr->image_height = gdk_pixbuf_get_height(pr->pixbuf);
- if (pr->stereo_data == STEREO_PIXBUF_SBS)
- {
- pr->image_width /= 2;
- pr->stereo_pixbuf_offset_right = pr->image_width;
- }
- else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
- {
- pr->image_width /= 2;
- pr->stereo_pixbuf_offset_left = pr->image_width;
- }
- }
-}
-
-static void pr_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, PrZoomFlags flags)
-{
- if (pixbuf) g_object_ref(pixbuf);
- if (pr->pixbuf) g_object_unref(pr->pixbuf);
- pr->pixbuf = pixbuf;
-
- if (!pr->pixbuf)
- {
- /* no pixbuf so just clear the window */
- pr->image_width = 0;
- pr->image_height = 0;
- pr->scale = 1.0;
- pr->zoom = zoom; /* don't throw away the zoom value, it is set by pixbuf_renderer_move, among others,
- and used for pixbuf_renderer_zoom_get */
-
- pr->renderer->update_pixbuf(pr->renderer, flags & PR_ZOOM_LAZY);
- if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, flags & PR_ZOOM_LAZY);
-
- pr_update_signal(pr);
-
- return;
- }
-
- if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
- {
- gint disable = !pr->pixbuf || ! pr->stereo_data;
- pr_stereo_temp_disable(pr, disable);
- }
-
- pr_pixbuf_size_sync(pr);
- pr->renderer->update_pixbuf(pr->renderer, flags & PR_ZOOM_LAZY);
- if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, flags & PR_ZOOM_LAZY);
- pr_zoom_sync(pr, zoom, flags | PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
-}
-
-void pixbuf_renderer_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom)
-{
- g_return_if_fail(IS_PIXBUF_RENDERER(pr));
-
- pr_source_tile_unset(pr);
-
- pr_set_pixbuf(pr, pixbuf, zoom, 0);
-
- pr_update_signal(pr);
-}
-
-void pixbuf_renderer_set_pixbuf_lazy(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, gint orientation, StereoPixbufData stereo_data)
-{
- g_return_if_fail(IS_PIXBUF_RENDERER(pr));
-
- pr_source_tile_unset(pr);
-
- pr->orientation = orientation;
- pr->stereo_data = stereo_data;
- pr_set_pixbuf(pr, pixbuf, zoom, PR_ZOOM_LAZY);
-
- pr_update_signal(pr);
-}
-
-GdkPixbuf *pixbuf_renderer_get_pixbuf(PixbufRenderer *pr)
-{
- g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
-
- return pr->pixbuf;
-}
-
-void pixbuf_renderer_set_orientation(PixbufRenderer *pr, gint orientation)
-{
- g_return_if_fail(IS_PIXBUF_RENDERER(pr));
-
- pr->orientation = orientation;
-
- pr_pixbuf_size_sync(pr);
- pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
-}
-
-gint pixbuf_renderer_get_orientation(PixbufRenderer *pr)
-{
- if (!pr) return 1;
- return pr->orientation;
-}
-
-void pixbuf_renderer_set_stereo_data(PixbufRenderer *pr, StereoPixbufData stereo_data)
-{
- g_return_if_fail(IS_PIXBUF_RENDERER(pr));
- if (pr->stereo_data == stereo_data) return;
-
-
- pr->stereo_data = stereo_data;
-
- if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
- {
- gint disable = !pr->pixbuf || ! pr->stereo_data;
- pr_stereo_temp_disable(pr, disable);
- }
- pr_pixbuf_size_sync(pr);
- pr->renderer->update_pixbuf(pr->renderer, FALSE);
- if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, FALSE);
- pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
-}
-
-void pixbuf_renderer_set_post_process_func(PixbufRenderer *pr, PixbufRendererPostProcessFunc func, gpointer user_data, gboolean slow)
-{
- g_return_if_fail(IS_PIXBUF_RENDERER(pr));
-
- pr->func_post_process = func;
- pr->post_process_user_data = user_data;
- pr->post_process_slow = func && slow;
-
-}
-
-
-void pixbuf_renderer_move(PixbufRenderer *pr, PixbufRenderer *source)
-{
- GObject *object;
- PixbufRendererScrollResetType scroll_reset;
-
- g_return_if_fail(IS_PIXBUF_RENDERER(pr));
- g_return_if_fail(IS_PIXBUF_RENDERER(source));
-
- if (pr == source) return;
-
- object = G_OBJECT(pr);
-
- g_object_set(object, "zoom_min", source->zoom_min, NULL);
- g_object_set(object, "zoom_max", source->zoom_max, NULL);
- g_object_set(object, "loading", source->loading, NULL);
-
- pr->complete = source->complete;
-
- pr->x_scroll = source->x_scroll;
- pr->y_scroll = source->y_scroll;
- pr->x_mouse = source->x_mouse;
- pr->y_mouse = source->y_mouse;
-
- scroll_reset = pr->scroll_reset;
- pr->scroll_reset = PR_SCROLL_RESET_NOCHANGE;
-
- pr->func_post_process = source->func_post_process;
- pr->post_process_user_data = source->post_process_user_data;
- pr->post_process_slow = source->post_process_slow;
- pr->orientation = source->orientation;
- pr->stereo_data = source->stereo_data;
-
- if (source->source_tiles_enabled)
- {
- pr_source_tile_unset(pr);
-
- pr->source_tiles_enabled = source->source_tiles_enabled;
- pr->source_tiles_cache_size = source->source_tiles_cache_size;
- pr->source_tile_width = source->source_tile_width;
- pr->source_tile_height = source->source_tile_height;
- pr->image_width = source->image_width;
- pr->image_height = source->image_height;
-
- pr->func_tile_request = source->func_tile_request;
- pr->func_tile_dispose = source->func_tile_dispose;
- pr->func_tile_data = source->func_tile_data;
-
- pr->source_tiles = source->source_tiles;
- source->source_tiles = NULL;
-
- pr_zoom_sync(pr, source->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
- }
- else
- {
- pixbuf_renderer_set_pixbuf(pr, source->pixbuf, source->zoom);
- }
-
- pr->scroll_reset = scroll_reset;
-
- pixbuf_renderer_set_pixbuf(source, NULL, source->zoom);
-}
-
-void pixbuf_renderer_copy(PixbufRenderer *pr, PixbufRenderer *source)
-{
- GObject *object;
- PixbufRendererScrollResetType scroll_reset;
-
- g_return_if_fail(IS_PIXBUF_RENDERER(pr));
- g_return_if_fail(IS_PIXBUF_RENDERER(source));
-
- if (pr == source) return;
-
- object = G_OBJECT(pr);
-
- g_object_set(object, "zoom_min", source->zoom_min, NULL);
- g_object_set(object, "zoom_max", source->zoom_max, NULL);
- g_object_set(object, "loading", source->loading, NULL);
-
- pr->complete = source->complete;
-
- pr->x_scroll = source->x_scroll;
- pr->y_scroll = source->y_scroll;
- pr->x_mouse = source->x_mouse;
- pr->y_mouse = source->y_mouse;
-
- scroll_reset = pr->scroll_reset;
- pr->scroll_reset = PR_SCROLL_RESET_NOCHANGE;
-
- pr->orientation = source->orientation;
- pr->stereo_data = source->stereo_data;
-
- if (source->source_tiles_enabled)
- {
- pr->source_tiles_enabled = source->source_tiles_enabled;
- pr->source_tiles_cache_size = source->source_tiles_cache_size;
- pr->source_tile_width = source->source_tile_width;
- pr->source_tile_height = source->source_tile_height;
- pr->image_width = source->image_width;
- pr->image_height = source->image_height;
-
- pr->func_tile_request = source->func_tile_request;
- pr->func_tile_dispose = source->func_tile_dispose;
- pr->func_tile_data = source->func_tile_data;
-
- pr->source_tiles = source->source_tiles;
- source->source_tiles = NULL;
-
- pr_zoom_sync(pr, source->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
- }
- else
- {
- pixbuf_renderer_set_pixbuf(pr, source->pixbuf, source->zoom);
- }
-
- pr->scroll_reset = scroll_reset;
-}
-
-void pixbuf_renderer_area_changed(PixbufRenderer *pr, gint x, gint y, gint w, gint h)
-{
- g_return_if_fail(IS_PIXBUF_RENDERER(pr));
-
- if (pr->source_tiles_enabled)
- {
- pr_source_tile_changed(pr, x, y, w, h);
- }
-
- pr->renderer->area_changed(pr->renderer, x, y, w, h);
- if (pr->renderer2) pr->renderer2->area_changed(pr->renderer2, x, y, w, h);
-}
-
-void pixbuf_renderer_zoom_adjust(PixbufRenderer *pr, gdouble increment)
-{
- g_return_if_fail(IS_PIXBUF_RENDERER(pr));
-
- pr_zoom_adjust_real(pr, increment, PR_ZOOM_NONE, 0, 0);
-}
-
-void pixbuf_renderer_zoom_adjust_at_point(PixbufRenderer *pr, gdouble increment, gint x, gint y)
-{
- g_return_if_fail(IS_PIXBUF_RENDERER(pr));
-
- pr_zoom_adjust_real(pr, increment, PR_ZOOM_CENTER, x, y);
-}
-
-void pixbuf_renderer_zoom_set(PixbufRenderer *pr, gdouble zoom)
-{
- g_return_if_fail(IS_PIXBUF_RENDERER(pr));
-
- pr_zoom_sync(pr, zoom, PR_ZOOM_NONE, 0, 0);
-}
-
-gdouble pixbuf_renderer_zoom_get(PixbufRenderer *pr)
-{
- g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
-
- return pr->zoom;
-}
-
-gdouble pixbuf_renderer_zoom_get_scale(PixbufRenderer *pr)
-{
- g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
-
- return pr->scale;
-}
-
-void pixbuf_renderer_zoom_set_limits(PixbufRenderer *pr, gdouble min, gdouble max)
-{
- g_return_if_fail(IS_PIXBUF_RENDERER(pr));
-
- if (min > 1.0 || max < 1.0) return;
- if (min < 1.0 && min > -1.0) return;
- if (min < -200.0 || max > 200.0) return;
-
- if (pr->zoom_min != min)
- {
- pr->zoom_min = min;
- g_object_notify(G_OBJECT(pr), "zoom_min");
- }
- if (pr->zoom_max != max)
- {
- pr->zoom_max = max;
- g_object_notify(G_OBJECT(pr), "zoom_max");
- }
-}
-
-static void pr_stereo_set(PixbufRenderer *pr)
-{
- if (!pr->renderer) pr->renderer = pr_backend_renderer_new(pr);
-
- pr->renderer->stereo_set(pr->renderer, pr->stereo_mode & ~PR_STEREO_MIRROR_RIGHT & ~PR_STEREO_FLIP_RIGHT);
-
- if (pr->stereo_mode & (PR_STEREO_HORIZ | PR_STEREO_VERT | PR_STEREO_FIXED))
- {
- if (!pr->renderer2) pr->renderer2 = pr_backend_renderer_new(pr);
- pr->renderer2->stereo_set(pr->renderer2, (pr->stereo_mode & ~PR_STEREO_MIRROR_LEFT & ~PR_STEREO_FLIP_LEFT) | PR_STEREO_RIGHT);
- }
- else
- {
- if (pr->renderer2) pr->renderer2->free(pr->renderer2);
- pr->renderer2 = NULL;
- }
- if (pr->stereo_mode & PR_STEREO_HALF)
- {
- if (pr->stereo_mode & PR_STEREO_HORIZ) pr->aspect_ratio = 2.0;
- else if (pr->stereo_mode & PR_STEREO_VERT) pr->aspect_ratio = 0.5;
- else pr->aspect_ratio = 1.0;
- }
- else
- {
- pr->aspect_ratio = 1.0;
- }
-}
-
-void pixbuf_renderer_stereo_set(PixbufRenderer *pr, gint stereo_mode)
-{
- gboolean redraw = !(pr->stereo_mode == stereo_mode) || pr->stereo_temp_disable;
- pr->stereo_mode = stereo_mode;
- if ((stereo_mode & PR_STEREO_TEMP_DISABLE) && pr->stereo_temp_disable) return;
-
- pr->stereo_temp_disable = FALSE;
-
- pr_stereo_set(pr);
-
- if (redraw)
- {
- pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
- pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
- }
-}
-
-void pixbuf_renderer_stereo_fixed_set(PixbufRenderer *pr, gint width, gint height, gint x1, gint y1, gint x2, gint y2)
-{
- pr->stereo_fixed_width = width;
- pr->stereo_fixed_height = height;
- pr->stereo_fixed_x_left = x1;
- pr->stereo_fixed_y_left = y1;
- pr->stereo_fixed_x_right = x2;
- pr->stereo_fixed_y_right = y2;
-}
-
-gint pixbuf_renderer_stereo_get(PixbufRenderer *pr)
-{
- return pr->stereo_mode;
-}
-
-static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable)
-{
- if (pr->stereo_temp_disable == disable) return;
- pr->stereo_temp_disable = disable;
- if (disable)
- {
- if (!pr->renderer) pr->renderer = pr_backend_renderer_new(pr);
- pr->renderer->stereo_set(pr->renderer, PR_STEREO_NONE);
- if (pr->renderer2) pr->renderer2->free(pr->renderer2);
- pr->renderer2 = NULL;
- pr->aspect_ratio = 1.0;
- }
- else
- {
- pr_stereo_set(pr);
- }
- pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
-}
-
-gboolean pixbuf_renderer_get_pixel_colors(PixbufRenderer *pr, gint x_pixel, gint y_pixel,
- gint *r_mouse, gint *g_mouse, gint *b_mouse)
-{
- GdkPixbuf *pb = pr->pixbuf;
- gint p_alpha, prs;
- guchar *p_pix, *pp;
- gint map_x, map_y, map_w, map_h;
- size_t xoff, yoff;
-
- g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
- g_return_val_if_fail(r_mouse != NULL && g_mouse != NULL && b_mouse != NULL, FALSE);
-
- if (!pr->pixbuf && !pr->source_tiles_enabled)
- {
- *r_mouse = -1;
- *g_mouse = -1;
- *b_mouse = -1;
- return FALSE;
- }
-
- if (!pb) return FALSE;
-
- pr_tile_region_map_orientation(pr->orientation,
- x_pixel, y_pixel,
- pr->image_width, pr->image_height,
- 1, 1, /*single pixel */
- &map_x, &map_y,
- &map_w, &map_h);
-
- if (map_x < 0 || map_x > gdk_pixbuf_get_width(pr->pixbuf) - 1) return FALSE;
- if (map_y < 0 || map_y > gdk_pixbuf_get_height(pr->pixbuf) - 1) return FALSE;
-
- p_alpha = gdk_pixbuf_get_has_alpha(pb);
- prs = gdk_pixbuf_get_rowstride(pb);
- p_pix = gdk_pixbuf_get_pixels(pb);
-
- xoff = (size_t)map_x * (p_alpha ? 4 : 3);
- yoff = (size_t)map_y * prs;
- pp = p_pix + yoff + xoff;
- *r_mouse = *pp;
- pp++;
- *g_mouse = *pp;
- pp++;
- *b_mouse = *pp;
-
- return TRUE;
-}
-
-gboolean pixbuf_renderer_get_mouse_position(PixbufRenderer *pr, gint *x_pixel_return, gint *y_pixel_return)
-{
- gint x_pixel, y_pixel, x_pixel_clamped, y_pixel_clamped;
-
- g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
- g_return_val_if_fail(x_pixel_return != NULL && y_pixel_return != NULL, FALSE);
-
- if (!pr->pixbuf && !pr->source_tiles_enabled)
- {
- *x_pixel_return = -1;
- *y_pixel_return = -1;
- return FALSE;
- }
-
- x_pixel = floor((gdouble)(pr->x_mouse - pr->x_offset + pr->x_scroll) / pr->scale);
- y_pixel = floor((gdouble)(pr->y_mouse - pr->y_offset + pr->y_scroll) / pr->scale / pr->aspect_ratio);
- x_pixel_clamped = CLAMP(x_pixel, 0, pr->image_width - 1);
- y_pixel_clamped = CLAMP(y_pixel, 0, pr->image_height - 1);
-
- if (x_pixel != x_pixel_clamped)
- {
- /* mouse is not on pr */
- x_pixel = -1;
- }
- if (y_pixel != y_pixel_clamped)
- {
- /* mouse is not on pr */
- y_pixel = -1;
- }
-
- *x_pixel_return = x_pixel;
- *y_pixel_return = y_pixel;
-
- return TRUE;
-}
-
-gboolean pixbuf_renderer_get_image_size(PixbufRenderer *pr, gint *width, gint *height)
-{
- g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
- g_return_val_if_fail(width != NULL && height != NULL, FALSE);
-
- if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
- {
- *width = 0;
- *height = 0;
- return FALSE;
- }
-
- *width = pr->image_width;
- *height = pr->image_height;
- return TRUE;
-}
-
-gboolean pixbuf_renderer_get_scaled_size(PixbufRenderer *pr, gint *width, gint *height)
-{
- g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
- g_return_val_if_fail(width != NULL && height != NULL, FALSE);
-
- if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
- {
- *width = 0;
- *height = 0;
- return FALSE;
- }
-
- *width = pr->width;
- *height = pr->height;
- return TRUE;
-}
-
-gboolean pixbuf_renderer_get_visible_rect(PixbufRenderer *pr, GdkRectangle *rect)
-{
- g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
- g_return_val_if_fail(rect != NULL, FALSE);
-
- if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
- !pr->scale)
- {
- rect->x = 0;
- rect->y = 0;
- rect->width = 0;
- rect->height = 0;
- return FALSE;
- }
-
- rect->x = (gint)((gdouble)pr->x_scroll / pr->scale);
- rect->y = (gint)((gdouble)pr->y_scroll / pr->scale / pr->aspect_ratio);
- rect->width = (gint)((gdouble)pr->vis_width / pr->scale);
- rect->height = (gint)((gdouble)pr->vis_height / pr->scale / pr->aspect_ratio);
- return TRUE;
-}
-
-gboolean pixbuf_renderer_get_virtual_rect(PixbufRenderer *pr, GdkRectangle *rect)
-{
- g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
- g_return_val_if_fail(rect != NULL, FALSE);
-
- if ((!pr->pixbuf && !pr->source_tiles_enabled))
- {
- rect->x = 0;
- rect->y = 0;
- rect->width = 0;
- rect->height = 0;
- return FALSE;
- }
-
- rect->x = pr->x_scroll;
- rect->y = pr->y_scroll;
- rect->width = pr->vis_width;
- rect->height = pr->vis_height;
- return TRUE;
-}
-
-void pixbuf_renderer_set_size_early(PixbufRenderer *pr, guint width, guint height)
-{
-#if 0
- /** @FIXME this function does not consider the image orientation,
- so it probably only breaks something */
- gdouble zoom;
- gint w, h;
-
- zoom = pixbuf_renderer_zoom_get(pr);
- pr->image_width = width;
- pr->image_height = height;
-
- pr_zoom_clamp(pr, zoom, PR_ZOOM_FORCE, NULL);
-
- //w = width;
- //h = height;
-
- //pr->width = width;
- //pr->height = height;
-#endif
-}
-
-void pixbuf_renderer_set_ignore_alpha(PixbufRenderer *pr, gint ignore_alpha)
-{
- g_return_if_fail(IS_PIXBUF_RENDERER(pr));
-
- pr->ignore_alpha = ignore_alpha;
- pr_pixbuf_size_sync(pr);
- pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
-}
-
-/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
projects / geeqie.git / blobdiff