Mercurial > hg > forks > geeqie
view src/renderer-clutter.c @ 2863:4b92a65f8367
Fix #645: Hide Bars cannot be toggled after Geeqie restart
https://github.com/BestImageViewer/geeqie/issues/645
author | Colin Clark <colin.clark@cclark.uk> |
---|---|
date | Sat, 17 Nov 2018 19:48:35 +0000 |
parents | 425b69f7ff5f |
children |
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/* * 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-clutter.h" #include "intl.h" #include "layout.h" #include <gtk/gtk.h> #ifdef HAVE_CLUTTER /* for 3d texture */ #define COGL_ENABLE_EXPERIMENTAL_API #define CLUTTER_ENABLE_EXPERIMENTAL_API #include <clutter/clutter.h> #include <clutter-gtk/clutter-gtk.h> #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 #define GET_RIGHT_PIXBUF_OFFSET(rc) \ (( (rc->stereo_mode & PR_STEREO_RIGHT) && !(rc->stereo_mode & PR_STEREO_SWAP)) || \ (!(rc->stereo_mode & PR_STEREO_RIGHT) && (rc->stereo_mode & PR_STEREO_SWAP)) ? \ rc->pr->stereo_pixbuf_offset_right : rc->pr->stereo_pixbuf_offset_left ) #define GET_LEFT_PIXBUF_OFFSET(rc) \ ((!(rc->stereo_mode & PR_STEREO_RIGHT) && !(rc->stereo_mode & PR_STEREO_SWAP)) || \ ( (rc->stereo_mode & PR_STEREO_RIGHT) && (rc->stereo_mode & PR_STEREO_SWAP)) ? \ rc->pr->stereo_pixbuf_offset_right : rc->pr->stereo_pixbuf_offset_left ) typedef struct _OverlayData OverlayData; struct _OverlayData { gint id; GdkPixbuf *pixbuf; ClutterActor *actor; gint x; gint y; OverlayRendererFlags flags; }; typedef struct _RendererClutter RendererClutter; struct _RendererClutter { RendererFuncs f; PixbufRenderer *pr; gint stereo_mode; gint stereo_off_x; gint stereo_off_y; GList *pending_updates; gint idle_update; GList *overlay_list; GtkWidget *widget; /* widget and stage may be shared with other renderers */ ClutterActor *stage; ClutterActor *texture; ClutterActor *group; gboolean clut_updated; gint64 last_pixbuf_change; }; typedef struct _RendererClutterAreaParam RendererClutterAreaParam; struct _RendererClutterAreaParam { RendererClutter *rc; gint x; gint y; gint w; gint h; }; typedef struct _RendererClutterShaderInfo RendererClutterShaderInfo; struct _RendererClutterShaderInfo { float checkersize; float checkercolor0[3]; float checkercolor1[3]; }; #define CLUT_SIZE 32 static void rc_set_shader(CoglHandle material, const RendererClutterShaderInfo *shaderInfo) { CoglHandle shader; CoglHandle program; gint uniform_no; shader = cogl_create_shader (COGL_SHADER_TYPE_FRAGMENT); cogl_shader_source (shader, "vec3 checker(vec2 texc, vec3 color0, vec3 color1) \n" "{ \n" " if (mod(floor(texc.x) + floor(texc.y), 2.0) == 0.0) \n" " return color0; \n" " else \n" " return color1; \n" "} \n" " \n" "uniform sampler2D tex; \n" "uniform sampler3D clut; \n" "uniform float scale; \n" "uniform float offset; \n" "uniform float checkersize; \n" "uniform vec3 color0; \n" "uniform vec3 color1; \n" " \n" "void main(void) \n" "{ \n" " vec3 bg = checker(gl_FragCoord.xy / checkersize, color0, color1); \n" " vec4 img4 = texture2D(tex, gl_TexCoord[0].xy); \n" " vec3 img3 = img4.bgr; \n" " img3 = img3 * scale + offset; \n" " img3 = texture3D(clut, img3).rgb; \n" " \n" " gl_FragColor = vec4(img3 * img4.a + bg * (1.0 - img4.a), 1.0); \n" "} \n" ); cogl_shader_compile(shader); gchar *err = cogl_shader_get_info_log(shader); DEBUG_3("%s\n",err); g_free(err); program = cogl_create_program (); cogl_program_attach_shader (program, shader); cogl_handle_unref (shader); cogl_program_link (program); uniform_no = cogl_program_get_uniform_location (program, "tex"); cogl_program_set_uniform_1i (program, uniform_no, 0); uniform_no = cogl_program_get_uniform_location (program, "clut"); cogl_program_set_uniform_1i (program, uniform_no, 1); uniform_no = cogl_program_get_uniform_location (program, "scale"); cogl_program_set_uniform_1f (program, uniform_no, (double) (CLUT_SIZE - 1) / CLUT_SIZE); uniform_no = cogl_program_get_uniform_location (program, "offset"); cogl_program_set_uniform_1f (program, uniform_no, 1.0 / (2 * CLUT_SIZE)); uniform_no = cogl_program_get_uniform_location (program, "checkersize"); cogl_program_set_uniform_1f (program, uniform_no, shaderInfo->checkersize); uniform_no = cogl_program_get_uniform_location (program, "color0"); cogl_program_set_uniform_float (program, uniform_no, 3, 1, shaderInfo->checkercolor0); uniform_no = cogl_program_get_uniform_location (program, "color1"); cogl_program_set_uniform_float (program, uniform_no, 3, 1, shaderInfo->checkercolor1); cogl_material_set_user_program (material, program); cogl_handle_unref (program); } static void rc_prepare_post_process_lut(RendererClutter *rc) { PixbufRenderer *pr = rc->pr; static guchar clut[CLUT_SIZE * CLUT_SIZE * CLUT_SIZE * 3]; guint r, g, b; GdkPixbuf *tmp_pixbuf; CoglHandle material; CoglHandle tex3d; DEBUG_3("%s clut start", get_exec_time()); for (r = 0; r < CLUT_SIZE; r++) { for (g = 0; g < CLUT_SIZE; g++) { for (b = 0; b < CLUT_SIZE; b++) { guchar *ptr = clut + ((b * CLUT_SIZE + g) * CLUT_SIZE + r) * 3; ptr[0] = floor ((double) r / (CLUT_SIZE - 1) * 255.0 + 0.5); ptr[1] = floor ((double) g / (CLUT_SIZE - 1) * 255.0 + 0.5); ptr[2] = floor ((double) b / (CLUT_SIZE - 1) * 255.0 + 0.5); } } } tmp_pixbuf = gdk_pixbuf_new_from_data(clut, GDK_COLORSPACE_RGB, FALSE, 8, CLUT_SIZE * CLUT_SIZE, CLUT_SIZE, CLUT_SIZE * CLUT_SIZE * 3, NULL, NULL); if (pr->func_post_process) { pr->func_post_process(pr, &tmp_pixbuf, 0, 0, CLUT_SIZE * CLUT_SIZE, CLUT_SIZE, pr->post_process_user_data); } g_object_unref(tmp_pixbuf); DEBUG_3("%s clut upload start", get_exec_time()); #if COGL_VERSION_CHECK(1,18,2) { CoglContext *ctx = clutter_backend_get_cogl_context(clutter_get_default_backend ()); tex3d = cogl_texture_3d_new_from_data(ctx, CLUT_SIZE, CLUT_SIZE, CLUT_SIZE, COGL_PIXEL_FORMAT_RGB_888, CLUT_SIZE * 3, CLUT_SIZE * CLUT_SIZE * 3, clut, NULL); } #elif COGL_VERSION_CHECK(1,10,4) { CoglContext *ctx = clutter_backend_get_cogl_context(clutter_get_default_backend ()); tex3d = cogl_texture_3d_new_from_data(ctx, CLUT_SIZE, CLUT_SIZE, CLUT_SIZE, COGL_PIXEL_FORMAT_RGB_888, COGL_PIXEL_FORMAT_RGB_888, CLUT_SIZE * 3, CLUT_SIZE * CLUT_SIZE * 3, clut, NULL); } #else tex3d = cogl_texture_3d_new_from_data(CLUT_SIZE, CLUT_SIZE, CLUT_SIZE, COGL_TEXTURE_NONE, COGL_PIXEL_FORMAT_RGB_888, COGL_PIXEL_FORMAT_RGB_888, CLUT_SIZE * 3, CLUT_SIZE * CLUT_SIZE * 3, clut, NULL); #endif material = clutter_texture_get_cogl_material(CLUTTER_TEXTURE(rc->texture)); cogl_material_set_layer(material, 1, tex3d); cogl_handle_unref(tex3d); DEBUG_3("%s clut end", get_exec_time()); rc->clut_updated = TRUE; } static void rc_sync_actor(RendererClutter *rc) { PixbufRenderer *pr = rc->pr; gint anchor_x = 0; gint anchor_y = 0; gint rot_z = 0; gint rot_y = 0; clutter_actor_set_anchor_point(CLUTTER_ACTOR(rc->texture), 0, 0); DEBUG_3("scale %d %d", rc->pr->width, rc->pr->height); DEBUG_3("pos %d %d", rc->pr->x_offset, rc->pr->y_offset); clutter_actor_set_scale(CLUTTER_ACTOR(rc->texture), (gfloat)pr->width / pr->image_width, (gfloat)pr->height / pr->image_height); switch (pr->orientation) { case EXIF_ORIENTATION_TOP_LEFT: /* 1 - Horizontal (normal) */ break; case EXIF_ORIENTATION_TOP_RIGHT: /* 2 - Mirror horizontal */ rot_y = 180; anchor_x = pr->width; break; case EXIF_ORIENTATION_BOTTOM_RIGHT: /* 3 - Rotate 180 */ rot_z = 180; anchor_x = pr->width; anchor_y = pr->height; break; case EXIF_ORIENTATION_BOTTOM_LEFT: /* 4 - Mirror vertical */ rot_z = 180; rot_y = 180; anchor_y = pr->height; break; case EXIF_ORIENTATION_LEFT_TOP: /* 5 - Mirror horizontal and rotate 270 CW */ rot_z = 270; rot_y = 180; break; case EXIF_ORIENTATION_RIGHT_TOP: /* 6 - Rotate 90 CW */ rot_z = 90; anchor_x = pr->width; break; case EXIF_ORIENTATION_RIGHT_BOTTOM: /* 7 - Mirror horizontal and rotate 90 CW */ rot_z = 90; rot_y = 180; anchor_x = pr->width; anchor_y = pr->height; break; case EXIF_ORIENTATION_LEFT_BOTTOM: /* 8 - Rotate 270 CW */ rot_z = 270; anchor_y = pr->height; break; default: /* The other values are out of range */ break; } clutter_actor_set_rotation( CLUTTER_ACTOR(rc->texture), CLUTTER_Z_AXIS, rot_z, 0, 0, 0); clutter_actor_set_rotation( CLUTTER_ACTOR(rc->texture), CLUTTER_Y_AXIS, rot_y, 0, 0, 0); clutter_actor_set_position(CLUTTER_ACTOR(rc->texture), pr->x_offset - pr->x_scroll + anchor_x, pr->y_offset - pr->y_scroll + anchor_y); } static void rc_area_clip_add(RendererClutter *rc, gfloat x, gfloat y, gfloat w, gfloat h) { gfloat x2, y2; gfloat clip_x, clip_y, clip_w, clip_h, clip_x2, clip_y2; x2 = x + w; y2 = y + h; clutter_actor_get_clip(rc->texture, &clip_x, &clip_y, &clip_w, &clip_h); clip_x2 = clip_x + clip_w; clip_y2 = clip_y + clip_h; if (clip_x > x) clip_x = x; if (clip_x2 < x2) clip_x2 = x2; if (clip_y > y) clip_y = y; if (clip_y2 < y2) clip_y2 = y2; clip_w = clip_x2 - clip_x; clip_h = clip_y2 - clip_y; clutter_actor_set_clip(rc->texture, clip_x, clip_y, clip_w, clip_h); } #define MAX_REGION_AREA (32768 * 1024) static gboolean rc_area_changed_cb(gpointer data); static void rc_schedule_texture_upload(RendererClutter *rc) { if (g_get_monotonic_time() - rc->last_pixbuf_change < 50000) { /* delay clutter redraw until the texture has some data set priority between gtk redraw and clutter redraw */ DEBUG_3("%s tex upload high prio", get_exec_time()); rc->idle_update = g_idle_add_full(CLUTTER_PRIORITY_REDRAW - 10, rc_area_changed_cb, rc, NULL); } else { /* higher prio than histogram */ DEBUG_3("%s tex upload low prio", get_exec_time()); rc->idle_update = g_idle_add_full(G_PRIORITY_DEFAULT_IDLE - 5, rc_area_changed_cb, rc, NULL); } } static gboolean rc_area_changed_cb(gpointer data) { RendererClutter *rc = (RendererClutter *)data; PixbufRenderer *pr = rc->pr; RendererClutterAreaParam *par = rc->pending_updates->data; gint h = MAX_REGION_AREA / par->w; if (h == 0) h = 1; if (h > par->h) h = par->h; DEBUG_3("%s upload start", get_exec_time()); if (pr->pixbuf) { CoglHandle texture = clutter_texture_get_cogl_texture(CLUTTER_TEXTURE(rc->texture)); cogl_texture_set_region(texture, par->x + GET_RIGHT_PIXBUF_OFFSET(rc), par->y, par->x, par->y, par->w, h, par->w, h, gdk_pixbuf_get_has_alpha(pr->pixbuf) ? COGL_PIXEL_FORMAT_BGRA_8888 : COGL_PIXEL_FORMAT_BGR_888, gdk_pixbuf_get_rowstride(pr->pixbuf), gdk_pixbuf_get_pixels(pr->pixbuf)); } DEBUG_3("%s upload end", get_exec_time()); rc_area_clip_add(rc, par->x, par->y, par->w, h); par->y += h; par->h -= h; if (par->h == 0) { rc->pending_updates = g_list_remove(rc->pending_updates, par); g_free(par); } if (!rc->pending_updates) { clutter_actor_queue_redraw(CLUTTER_ACTOR(rc->texture)); rc->idle_update = 0; /* FIXME: find a better place for this */ if (!rc->clut_updated) rc_prepare_post_process_lut(rc); return FALSE; } rc_schedule_texture_upload(rc); return FALSE; /* it was rescheduled, possibly with different prio */ } static void rc_area_changed(void *renderer, gint src_x, gint src_y, gint src_w, gint src_h) { RendererClutter *rc = (RendererClutter *)renderer; PixbufRenderer *pr = rc->pr; RendererClutterAreaParam *par; gint width = gdk_pixbuf_get_width(pr->pixbuf); gint height = gdk_pixbuf_get_height(pr->pixbuf); if (pr->stereo_data == STEREO_PIXBUF_SBS || pr->stereo_data == STEREO_PIXBUF_CROSS) { width /= 2; } if (!pr_clip_region(src_x, src_y, src_w, src_h, GET_RIGHT_PIXBUF_OFFSET(rc), 0, width, height, &src_x, &src_y, &src_w, &src_h)) return; par = g_new0(RendererClutterAreaParam, 1); par->rc = rc; par->x = src_x - GET_RIGHT_PIXBUF_OFFSET(rc); par->y = src_y; par->w = src_w; par->h = src_h; rc->pending_updates = g_list_append(rc->pending_updates, par); if (!rc->idle_update) { rc_schedule_texture_upload(rc); } } static void rc_remove_pending_updates(RendererClutter *rc) { if (rc->idle_update) g_idle_remove_by_data(rc); rc->idle_update = 0; while (rc->pending_updates) { RendererClutterAreaParam *par = rc->pending_updates->data; rc->pending_updates = g_list_remove(rc->pending_updates, par); g_free(par); } } static void rc_update_pixbuf(void *renderer, gboolean lazy) { RendererClutter *rc = (RendererClutter *)renderer; PixbufRenderer *pr = rc->pr; DEBUG_3("rc_update_pixbuf"); rc_remove_pending_updates(rc); rc->last_pixbuf_change = g_get_monotonic_time(); DEBUG_3("%s change time reset", get_exec_time()); if (pr->pixbuf) { gint width = gdk_pixbuf_get_width(pr->pixbuf); gint height = gdk_pixbuf_get_height(pr->pixbuf); DEBUG_3("pixbuf size %d x %d (%d)", width, height, gdk_pixbuf_get_has_alpha(pr->pixbuf) ? 32 : 24); gint prev_width, prev_height; if (pr->stereo_data == STEREO_PIXBUF_SBS || pr->stereo_data == STEREO_PIXBUF_CROSS) { width /= 2; } clutter_texture_get_base_size(CLUTTER_TEXTURE(rc->texture), &prev_width, &prev_height); if (width != prev_width || height != prev_height) { /* FIXME use CoglMaterial with multiple textures for background, color management, anaglyph, ... */ CoglHandle texture = cogl_texture_new_with_size(width, height, COGL_TEXTURE_NO_AUTO_MIPMAP | COGL_TEXTURE_NO_SLICING, gdk_pixbuf_get_has_alpha(pr->pixbuf) ? COGL_PIXEL_FORMAT_BGRA_8888 : COGL_PIXEL_FORMAT_BGR_888); if (texture != COGL_INVALID_HANDLE) { clutter_texture_set_cogl_texture(CLUTTER_TEXTURE(rc->texture), texture); cogl_handle_unref(texture); } } clutter_actor_set_clip(rc->texture, 0, 0, 0, 0); /* visible area is extended as area_changed events arrive */ if (!lazy) { rc_area_changed(renderer, GET_RIGHT_PIXBUF_OFFSET(rc), 0, width, height); } } rc->clut_updated = FALSE; } static void rc_update_zoom(void *renderer, gboolean lazy) { RendererClutter *rc = (RendererClutter *)renderer; DEBUG_3("rc_update_zoom"); rc_sync_actor(rc); } static void rc_invalidate_region(void *renderer, gint x, gint y, gint w, gint h) { } static OverlayData *rc_overlay_find(RendererClutter *rc, gint id) { GList *work; work = rc->overlay_list; while (work) { OverlayData *od = work->data; work = work->next; if (od->id == id) return od; } return NULL; } static void rc_overlay_actor_destroy_cb(ClutterActor *actor, gpointer user_data) { OverlayData *od = user_data; od->actor = NULL; } static void rc_overlay_free(RendererClutter *rc, OverlayData *od) { rc->overlay_list = g_list_remove(rc->overlay_list, od); if (od->pixbuf) g_object_unref(G_OBJECT(od->pixbuf)); if (od->actor) clutter_actor_destroy(od->actor); g_free(od); } static void rc_overlay_update_position(RendererClutter *rc, OverlayData *od) { gint px, py, pw, ph; pw = gdk_pixbuf_get_width(od->pixbuf); ph = gdk_pixbuf_get_height(od->pixbuf); px = od->x; py = od->y; if (od->flags & OVL_RELATIVE) { if (px < 0) px = rc->pr->viewport_width - pw + px; if (py < 0) py = rc->pr->viewport_height - ph + py; } if (od->actor) clutter_actor_set_position(od->actor, px, py); } static void rc_overlay_update_positions(RendererClutter *rc) { GList *work; work = rc->overlay_list; while (work) { OverlayData *od = work->data; work = work->next; rc_overlay_update_position(rc, od); } } static void rc_overlay_free_all(RendererClutter *rc) { GList *work; work = rc->overlay_list; while (work) { OverlayData *od = work->data; work = work->next; rc_overlay_free(rc, od); } } static gint rc_overlay_add(void *renderer, GdkPixbuf *pixbuf, gint x, gint y, OverlayRendererFlags flags) { RendererClutter *rc = (RendererClutter *)renderer; PixbufRenderer *pr = rc->pr; OverlayData *od; gint id; g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), -1); g_return_val_if_fail(pixbuf != NULL, -1); id = 1; while (rc_overlay_find(rc, id)) id++; od = g_new0(OverlayData, 1); od->id = id; od->pixbuf = pixbuf; g_object_ref(G_OBJECT(od->pixbuf)); od->x = x; od->y = y; od->flags = flags; od->actor = gtk_clutter_texture_new(); g_signal_connect (od->actor, "destroy", G_CALLBACK(rc_overlay_actor_destroy_cb), od); gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE (od->actor), pixbuf, NULL); clutter_container_add_actor(CLUTTER_CONTAINER(rc->group), od->actor); rc->overlay_list = g_list_append(rc->overlay_list, od); rc_overlay_update_position(rc, od); return od->id; } static void rc_overlay_set(void *renderer, gint id, GdkPixbuf *pixbuf, gint x, gint y) { RendererClutter *rc = (RendererClutter *)renderer; PixbufRenderer *pr = rc->pr; OverlayData *od; g_return_if_fail(IS_PIXBUF_RENDERER(pr)); od = rc_overlay_find(rc, id); if (!od) return; if (pixbuf) { g_object_ref(G_OBJECT(pixbuf)); g_object_unref(G_OBJECT(od->pixbuf)); od->pixbuf = pixbuf; od->x = x; od->y = y; if (od->actor) gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(od->actor), pixbuf, NULL); rc_overlay_update_position(rc, od); } else { rc_overlay_free(rc, od); } } static gboolean rc_overlay_get(void *renderer, gint id, GdkPixbuf **pixbuf, gint *x, gint *y) { RendererClutter *rc = (RendererClutter *)renderer; PixbufRenderer *pr = rc->pr; OverlayData *od; g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE); od = rc_overlay_find(rc, id); if (!od) return FALSE; if (pixbuf) *pixbuf = od->pixbuf; if (x) *x = od->x; if (y) *y = od->y; return TRUE; } static void rc_update_viewport(void *renderer) { RendererClutter *rc = (RendererClutter *)renderer; ClutterColor stage_color = { 0x00, 0x00, 0x00, 0xff }; rc->stereo_off_x = 0; rc->stereo_off_y = 0; if (rc->stereo_mode & PR_STEREO_RIGHT) { if (rc->stereo_mode & PR_STEREO_HORIZ) { rc->stereo_off_x = rc->pr->viewport_width; } else if (rc->stereo_mode & PR_STEREO_VERT) { rc->stereo_off_y = rc->pr->viewport_height; } else if (rc->stereo_mode & PR_STEREO_FIXED) { rc->stereo_off_x = rc->pr->stereo_fixed_x_right; rc->stereo_off_y = rc->pr->stereo_fixed_y_right; } } else { if (rc->stereo_mode & PR_STEREO_FIXED) { rc->stereo_off_x = rc->pr->stereo_fixed_x_left; rc->stereo_off_y = rc->pr->stereo_fixed_y_left; } } DEBUG_3("rc_update_viewport scale %d %d", rc->pr->width, rc->pr->height); clutter_stage_set_color(CLUTTER_STAGE(rc->stage), &stage_color); clutter_actor_set_size(rc->group, rc->pr->viewport_width, rc->pr->viewport_height); clutter_actor_set_position(rc->group, rc->stereo_off_x, rc->stereo_off_y); clutter_actor_set_rotation(CLUTTER_ACTOR(rc->group), CLUTTER_Y_AXIS, (rc->stereo_mode & PR_STEREO_MIRROR) ? 180 : 0, rc->pr->viewport_width / 2.0, 0, 0); clutter_actor_set_rotation(CLUTTER_ACTOR(rc->group), CLUTTER_X_AXIS, (rc->stereo_mode & PR_STEREO_FLIP) ? 180 : 0, 0, rc->pr->viewport_height / 2.0, 0); rc_sync_actor(rc); rc_overlay_update_positions(rc); } static void rc_scroll(void *renderer, gint x_off, gint y_off) { DEBUG_3("rc_scroll"); RendererClutter *rc = (RendererClutter *)renderer; rc_sync_actor(rc); } static void rc_stereo_set(void *renderer, gint stereo_mode) { RendererClutter *rc = (RendererClutter *)renderer; rc->stereo_mode = stereo_mode; } static void rc_free(void *renderer) { RendererClutter *rc = (RendererClutter *)renderer; GtkWidget *widget = gtk_bin_get_child(GTK_BIN(rc->pr)); rc_remove_pending_updates(rc); rc_overlay_free_all(rc); if (widget) { /* widget still exists */ clutter_actor_destroy(rc->group); if (clutter_group_get_n_children(CLUTTER_GROUP(rc->stage)) == 0) { DEBUG_1("destroy %p", rc->widget); /* this was the last user */ gtk_widget_destroy(rc->widget); } else { DEBUG_1("keep %p", rc->widget); g_object_unref(G_OBJECT(rc->widget)); } } g_free(rc); } /* initialize shader for transparency background checker */ static void renderer_clutter_init_checker_shader(RendererClutter *rc) { const RendererClutterShaderInfo info = { 16.0, /* checker size */ {0.6, 0.6, 0.6}, /* color 0 */ {0.4, 0.4, 0.4} /* color 1 */ }; rc_set_shader(clutter_texture_get_cogl_material(CLUTTER_TEXTURE(rc->texture)), &info); } RendererFuncs *renderer_clutter_new(PixbufRenderer *pr) { RendererClutter *rc = g_new0(RendererClutter, 1); rc->pr = pr; rc->f.area_changed = rc_area_changed; rc->f.update_pixbuf = rc_update_pixbuf; rc->f.free = rc_free; rc->f.update_zoom = rc_update_zoom; rc->f.invalidate_region = rc_invalidate_region; rc->f.scroll = rc_scroll; rc->f.update_viewport = rc_update_viewport; rc->f.overlay_add = rc_overlay_add; rc->f.overlay_set = rc_overlay_set; rc->f.overlay_get = rc_overlay_get; rc->f.stereo_set = rc_stereo_set; rc->stereo_mode = 0; rc->stereo_off_x = 0; rc->stereo_off_y = 0; rc->idle_update = 0; rc->pending_updates = NULL; rc->widget = gtk_bin_get_child(GTK_BIN(rc->pr)); if (rc->widget) { if (!GTK_CLUTTER_IS_EMBED(rc->widget)) { g_free(rc); DEBUG_3("pixbuf renderer has a child of other type than gtk_clutter_embed"); return NULL; } } else { rc->widget = gtk_clutter_embed_new(); gtk_container_add(GTK_CONTAINER(rc->pr), rc->widget); } gtk_event_box_set_above_child (GTK_EVENT_BOX(rc->pr), TRUE); rc->stage = gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (rc->widget)); rc->group = clutter_group_new(); clutter_container_add_actor(CLUTTER_CONTAINER(rc->stage), rc->group); clutter_actor_set_clip_to_allocation(CLUTTER_ACTOR(rc->group), TRUE); rc->texture = clutter_texture_new (); clutter_container_add_actor(CLUTTER_CONTAINER(rc->group), rc->texture); renderer_clutter_init_checker_shader(rc); g_object_ref(G_OBJECT(rc->widget)); gtk_widget_show(rc->widget); return (RendererFuncs *) rc; } #endif /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */