+++ /dev/null
-/*
- * Geeqie
- * (C) 2006 John Ellis
- * Copyright (C) 2008 - 2012 The Geeqie Team
- *
- * Author: John Ellis
- *
- * This software is released under the GNU General Public License (GNU GPL).
- * Please read the included file COPYING for more information.
- * This software comes with no warranty of any kind, use at your own risk!
- */
-
-
-#include "main.h"
-#include "color-man.h"
-
-#include "image.h"
-#include "ui_fileops.h"
-
-
-#ifdef HAVE_LCMS
-/*** color support enabled ***/
-
-#ifdef HAVE_LCMS2
-#include <lcms2.h>
-#else
-#include <lcms.h>
-#endif
-
-
-typedef struct _ColorManCache ColorManCache;
-struct _ColorManCache {
- cmsHPROFILE profile_in;
- cmsHPROFILE profile_out;
- cmsHTRANSFORM transform;
-
- ColorManProfileType profile_in_type;
- gchar *profile_in_file;
-
- ColorManProfileType profile_out_type;
- gchar *profile_out_file;
-
- gboolean has_alpha;
-
- gint refcount;
-};
-
-/* pixels to transform per idle call */
-#define COLOR_MAN_CHUNK_SIZE 81900
-
-
-static void color_man_lib_init(void)
-{
- static gboolean init_done = FALSE;
-
- if (init_done) return;
- init_done = TRUE;
-
-#ifndef HAVE_LCMS2
- cmsErrorAction(LCMS_ERROR_IGNORE);
-#endif
-}
-
-static cmsHPROFILE color_man_create_adobe_comp(void)
-{
- /* ClayRGB1998 is AdobeRGB compatible */
-#include "ClayRGB1998_icc.h"
- return cmsOpenProfileFromMem(ClayRGB1998_icc, ClayRGB1998_icc_len);
-}
-
-/*
- *-------------------------------------------------------------------
- * color transform cache
- *-------------------------------------------------------------------
- */
-
-static GList *cm_cache_list = NULL;
-
-
-static void color_man_cache_ref(ColorManCache *cc)
-{
- if (!cc) return;
-
- cc->refcount++;
-}
-
-static void color_man_cache_unref(ColorManCache *cc)
-{
- if (!cc) return;
-
- cc->refcount--;
- if (cc->refcount < 1)
- {
- if (cc->transform) cmsDeleteTransform(cc->transform);
- if (cc->profile_in) cmsCloseProfile(cc->profile_in);
- if (cc->profile_out) cmsCloseProfile(cc->profile_out);
-
- g_free(cc->profile_in_file);
- g_free(cc->profile_out_file);
-
- g_free(cc);
- }
-}
-
-static cmsHPROFILE color_man_cache_load_profile(ColorManProfileType type, const gchar *file,
- guchar *data, guint data_len)
-{
- cmsHPROFILE profile = NULL;
-
- switch (type)
- {
- case COLOR_PROFILE_FILE:
- if (file)
- {
- gchar *pathl;
-
- pathl = path_from_utf8(file);
- profile = cmsOpenProfileFromFile(pathl, "r");
- g_free(pathl);
- }
- break;
- case COLOR_PROFILE_SRGB:
- profile = cmsCreate_sRGBProfile();
- break;
- case COLOR_PROFILE_ADOBERGB:
- profile = color_man_create_adobe_comp();
- break;
- case COLOR_PROFILE_MEM:
- if (data)
- {
- profile = cmsOpenProfileFromMem(data, data_len);
- }
- break;
- case COLOR_PROFILE_NONE:
- default:
- break;
- }
-
- return profile;
-}
-
-static ColorManCache *color_man_cache_new(ColorManProfileType in_type, const gchar *in_file,
- guchar *in_data, guint in_data_len,
- ColorManProfileType out_type, const gchar *out_file,
- guchar *out_data, guint out_data_len,
- gboolean has_alpha)
-{
- ColorManCache *cc;
-
- color_man_lib_init();
-
- cc = g_new0(ColorManCache, 1);
- cc->refcount = 1;
-
- cc->profile_in_type = in_type;
- cc->profile_in_file = g_strdup(in_file);
-
- cc->profile_out_type = out_type;
- cc->profile_out_file = g_strdup(out_file);
-
- cc->has_alpha = has_alpha;
-
- cc->profile_in = color_man_cache_load_profile(cc->profile_in_type, cc->profile_in_file,
- in_data, in_data_len);
- cc->profile_out = color_man_cache_load_profile(cc->profile_out_type, cc->profile_out_file,
- out_data, out_data_len);
-
- if (!cc->profile_in || !cc->profile_out)
- {
- DEBUG_1("failed to load color profile for %s: %d %s",
- (!cc->profile_in) ? "input" : "screen",
- (!cc->profile_in) ? cc->profile_in_type : cc->profile_out_type,
- (!cc->profile_in) ? cc->profile_in_file : cc->profile_out_file);
-
- color_man_cache_unref(cc);
- return NULL;
- }
-
- cc->transform = cmsCreateTransform(cc->profile_in,
- (has_alpha) ? TYPE_RGBA_8 : TYPE_RGB_8,
- cc->profile_out,
- (has_alpha) ? TYPE_RGBA_8 : TYPE_RGB_8,
- INTENT_PERCEPTUAL, 0);
-
- if (!cc->transform)
- {
- DEBUG_1("failed to create color profile transform");
-
- color_man_cache_unref(cc);
- return NULL;
- }
-
- if (cc->profile_in_type != COLOR_PROFILE_MEM && cc->profile_out_type != COLOR_PROFILE_MEM )
- {
- cm_cache_list = g_list_append(cm_cache_list, cc);
- color_man_cache_ref(cc);
- }
-
- return cc;
-}
-
-static void color_man_cache_free(ColorManCache *cc)
-{
- if (!cc) return;
-
- cm_cache_list = g_list_remove(cm_cache_list, cc);
- color_man_cache_unref(cc);
-}
-
-static void color_man_cache_reset(void)
-{
- while (cm_cache_list)
- {
- ColorManCache *cc;
-
- cc = cm_cache_list->data;
- color_man_cache_free(cc);
- }
-}
-
-static ColorManCache *color_man_cache_find(ColorManProfileType in_type, const gchar *in_file,
- ColorManProfileType out_type, const gchar *out_file,
- gboolean has_alpha)
-{
- GList *work;
-
- work = cm_cache_list;
- while (work)
- {
- ColorManCache *cc;
- gboolean match = FALSE;
-
- cc = work->data;
- work = work->next;
-
- if (cc->profile_in_type == in_type &&
- cc->profile_out_type == out_type &&
- cc->has_alpha == has_alpha)
- {
- match = TRUE;
- }
-
- if (match && cc->profile_in_type == COLOR_PROFILE_FILE)
- {
- match = (cc->profile_in_file && in_file &&
- strcmp(cc->profile_in_file, in_file) == 0);
- }
- if (match && cc->profile_out_type == COLOR_PROFILE_FILE)
- {
- match = (cc->profile_out_file && out_file &&
- strcmp(cc->profile_out_file, out_file) == 0);
- }
-
- if (match) return cc;
- }
-
- return NULL;
-}
-
-static ColorManCache *color_man_cache_get(ColorManProfileType in_type, const gchar *in_file,
- guchar *in_data, guint in_data_len,
- ColorManProfileType out_type, const gchar *out_file,
- guchar *out_data, guint out_data_len,
- gboolean has_alpha)
-{
- ColorManCache *cc;
-
- cc = color_man_cache_find(in_type, in_file, out_type, out_file, has_alpha);
- if (cc)
- {
- color_man_cache_ref(cc);
- return cc;
- }
-
- return color_man_cache_new(in_type, in_file, in_data, in_data_len,
- out_type, out_file, out_data, out_data_len, has_alpha);
-}
-
-
-/*
- *-------------------------------------------------------------------
- * color manager
- *-------------------------------------------------------------------
- */
-
-static void color_man_done(ColorMan *cm, ColorManReturnType type)
-{
- if (cm->func_done)
- {
- cm->func_done(cm, type, cm->func_done_data);
- }
-}
-
-void color_man_correct_region(ColorMan *cm, GdkPixbuf *pixbuf, gint x, gint y, gint w, gint h)
-{
- ColorManCache *cc;
- guchar *pix;
- gint rs;
- gint i;
- gint pixbuf_width, pixbuf_height;
-
-
- pixbuf_width = gdk_pixbuf_get_width(pixbuf);
- pixbuf_height = gdk_pixbuf_get_height(pixbuf);
-
- cc = cm->profile;
-
- pix = gdk_pixbuf_get_pixels(pixbuf);
- rs = gdk_pixbuf_get_rowstride(pixbuf);
-
- w = MIN(w, pixbuf_width - x);
- h = MIN(h, pixbuf_height - y);
-
- pix += x * ((cc->has_alpha) ? 4 : 3);
- for (i = 0; i < h; i++)
- {
- guchar *pbuf;
-
- pbuf = pix + ((y + i) * rs);
-
- cmsDoTransform(cc->transform, pbuf, pbuf, w);
- }
-
-}
-
-static gboolean color_man_idle_cb(gpointer data)
-{
- ColorMan *cm = data;
- gint width, height;
- gint rh;
-
- if (!cm->pixbuf) return FALSE;
-
- if (cm->imd &&
- cm->pixbuf != image_get_pixbuf(cm->imd))
- {
- cm->idle_id = 0;
- color_man_done(cm, COLOR_RETURN_IMAGE_CHANGED);
- return FALSE;
- }
-
- width = gdk_pixbuf_get_width(cm->pixbuf);
- height = gdk_pixbuf_get_height(cm->pixbuf);
-
- if (cm->row > height)
- {
- if (!cm->incremental_sync && cm->imd)
- {
- image_area_changed(cm->imd, 0, 0, width, height);
- }
-
- cm->idle_id = 0;
- color_man_done(cm, COLOR_RETURN_SUCCESS);
- return FALSE;
- }
-
- rh = COLOR_MAN_CHUNK_SIZE / width + 1;
- color_man_correct_region(cm, cm->pixbuf, 0, cm->row, width, rh);
- if (cm->incremental_sync && cm->imd) image_area_changed(cm->imd, 0, cm->row, width, rh);
- cm->row += rh;
-
- return TRUE;
-}
-
-static ColorMan *color_man_new_real(ImageWindow *imd, GdkPixbuf *pixbuf,
- ColorManProfileType input_type, const gchar *input_file,
- guchar *input_data, guint input_data_len,
- ColorManProfileType screen_type, const gchar *screen_file,
- guchar *screen_data, guint screen_data_len)
-{
- ColorMan *cm;
- gboolean has_alpha;
-
- if (imd) pixbuf = image_get_pixbuf(imd);
-
- cm = g_new0(ColorMan, 1);
- cm->imd = imd;
- cm->pixbuf = pixbuf;
- if (cm->pixbuf) g_object_ref(cm->pixbuf);
-
- has_alpha = pixbuf ? gdk_pixbuf_get_has_alpha(pixbuf) : FALSE;
-
- cm->profile = color_man_cache_get(input_type, input_file, input_data, input_data_len,
- screen_type, screen_file, screen_data, screen_data_len, has_alpha);
- if (!cm->profile)
- {
- color_man_free(cm);
- return NULL;
- }
-
- return cm;
-}
-
-ColorMan *color_man_new(ImageWindow *imd, GdkPixbuf *pixbuf,
- ColorManProfileType input_type, const gchar *input_file,
- ColorManProfileType screen_type, const gchar *screen_file,
- guchar *screen_data, guint screen_data_len)
-{
- return color_man_new_real(imd, pixbuf,
- input_type, input_file, NULL, 0,
- screen_type, screen_file, screen_data, screen_data_len);
-}
-
-void color_man_start_bg(ColorMan *cm, ColorManDoneFunc done_func, gpointer done_data)
-{
- cm->func_done = done_func;
- cm->func_done_data = done_data;
- cm->idle_id = g_idle_add(color_man_idle_cb, cm);
-}
-
-ColorMan *color_man_new_embedded(ImageWindow *imd, GdkPixbuf *pixbuf,
- guchar *input_data, guint input_data_len,
- ColorManProfileType screen_type, const gchar *screen_file,
- guchar *screen_data, guint screen_data_len)
-{
- return color_man_new_real(imd, pixbuf,
- COLOR_PROFILE_MEM, NULL, input_data, input_data_len,
- screen_type, screen_file, screen_data, screen_data_len);
-}
-
-static gchar *color_man_get_profile_name(ColorManProfileType type, cmsHPROFILE profile)
-{
- switch (type)
- {
- case COLOR_PROFILE_SRGB:
- return g_strdup(_("sRGB"));
- case COLOR_PROFILE_ADOBERGB:
- return g_strdup(_("Adobe RGB compatible"));
- break;
- case COLOR_PROFILE_MEM:
- case COLOR_PROFILE_FILE:
- if (profile)
- {
-#ifdef HAVE_LCMS2
- cmsUInt32Number r;
- char buffer[20];
- buffer[0] = '\0';
- r = cmsGetProfileInfoASCII(profile, cmsInfoDescription, "en", "US", buffer, 20);
- buffer[19] = '\0'; /* Just to be sure */
- return g_strdup(buffer);
-#else
- return g_strdup(cmsTakeProductName(profile));
-#endif
- }
- return g_strdup(_("Custom profile"));
- break;
- case COLOR_PROFILE_NONE:
- default:
- return g_strdup("");
- }
-}
-
-gboolean color_man_get_status(ColorMan *cm, gchar **image_profile, gchar **screen_profile)
-{
- ColorManCache *cc;
- if (!cm) return FALSE;
-
- cc = cm->profile;
-
- if (image_profile) *image_profile = color_man_get_profile_name(cc->profile_in_type, cc->profile_in);
- if (screen_profile) *screen_profile = color_man_get_profile_name(cc->profile_out_type, cc->profile_out);
- return TRUE;
-}
-
-void color_man_free(ColorMan *cm)
-{
- if (!cm) return;
-
- if (cm->idle_id) g_source_remove(cm->idle_id);
- if (cm->pixbuf) g_object_unref(cm->pixbuf);
-
- color_man_cache_unref(cm->profile);
-
- g_free(cm);
-}
-
-void color_man_update(void)
-{
- color_man_cache_reset();
-}
-
-#else /* define HAVE_LCMS */
-/*** color support not enabled ***/
-
-
-ColorMan *color_man_new(ImageWindow *imd, GdkPixbuf *pixbuf,
- ColorManProfileType input_type, const gchar *input_file,
- ColorManProfileType screen_type, const gchar *screen_file,
- guchar *screen_data, guint screen_data_len)
-{
- /* no op */
- return NULL;
-}
-
-ColorMan *color_man_new_embedded(ImageWindow *imd, GdkPixbuf *pixbuf,
- guchar *input_data, guint input_data_len,
- ColorManProfileType screen_type, const gchar *screen_file,
- guchar *screen_data, guint screen_data_len)
-{
- /* no op */
- return NULL;
-}
-
-void color_man_free(ColorMan *cm)
-{
- /* no op */
-}
-
-void color_man_update(void)
-{
- /* no op */
-}
-
-void color_man_correct_region(ColorMan *cm, GdkPixbuf *pixbuf, gint x, gint y, gint w, gint h)
-{
- /* no op */
-}
-
-void color_man_start_bg(ColorMan *cm, ColorManDoneFunc done_func, gpointer done_data)
-{
- /* no op */
-}
-
-gboolean color_man_get_status(ColorMan *cm, gchar **image_profile, gchar **screen_profile)
-{
- return FALSE;
-}
-
-#endif /* define HAVE_LCMS */
-/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
projects / geeqie.git / blobdiff