From 604594a8f1d048b516120ba98eba71302e2043b4 Mon Sep 17 00:00:00 2001
From: Přemysl Eric Janouch
Date: Fri, 26 Jan 2024 21:58:18 +0100
Subject: Prepare for parallelized colour management
This rewrite is more or less necessary for:
- colour-managed browser thumbnails,
- asynchronous image loading,
- turning fiv-io into a reusable library.
Little CMS has a fairly terrible API in this regard.
---
fiv-io-cmm.c | 462 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
fiv-io-profile.c | 375 --------------------------------------------
fiv-io.c | 77 +++++-----
fiv-io.h | 55 ++++---
fiv-thumbnail.c | 10 +-
fiv-view.c | 8 +-
fiv.c | 2 -
meson.build | 2 +-
8 files changed, 551 insertions(+), 440 deletions(-)
create mode 100644 fiv-io-cmm.c
delete mode 100644 fiv-io-profile.c
diff --git a/fiv-io-cmm.c b/fiv-io-cmm.c
new file mode 100644
index 0000000..b131acf
--- /dev/null
+++ b/fiv-io-cmm.c
@@ -0,0 +1,462 @@
+//
+// fiv-io-cmm.c: colour management
+//
+// Copyright (c) 2024, Přemysl Eric Janouch
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+//
+
+#include "config.h"
+
+#include
+#include
+
+#include "fiv-io.h"
+
+// Colour management must be handled before RGB conversions.
+// TODO(p): Make it also possible to use Skia's skcms.
+#ifdef HAVE_LCMS2
+#include
+#endif // HAVE_LCMS2
+#ifdef HAVE_LCMS2_FAST_FLOAT
+#include
+#endif // HAVE_LCMS2_FAST_FLOAT
+
+// --- CMM-independent transforms ----------------------------------------------
+
+// CAIRO_STRIDE_ALIGNMENT is 4 bytes, so there will be no padding with
+// ARGB/BGRA/XRGB/BGRX.
+static void
+trivial_cmyk_to_host_byte_order_argb(unsigned char *p, int len)
+{
+ // This CMYK handling has been seen in gdk-pixbuf/JPEG, GIMP/JPEG, skcms.
+ // It will typically produce horribly oversaturated results.
+ // Assume that all YCCK/CMYK JPEG files use inverted CMYK, as Photoshop
+ // does, see https://bugzilla.gnome.org/show_bug.cgi?id=618096
+ while (len--) {
+ int c = p[0], m = p[1], y = p[2], k = p[3];
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+ p[0] = k * y / 255;
+ p[1] = k * m / 255;
+ p[2] = k * c / 255;
+ p[3] = 255;
+#else
+ p[3] = k * y / 255;
+ p[2] = k * m / 255;
+ p[1] = k * c / 255;
+ p[0] = 255;
+#endif
+ p += 4;
+ }
+}
+
+// From libwebp, verified to exactly match [x * a / 255].
+#define PREMULTIPLY8(a, x) (((uint32_t) (x) * (uint32_t) (a) * 32897U) >> 23)
+
+void
+fiv_io_premultiply_argb32(FivIoImage *image)
+{
+ if (image->format != CAIRO_FORMAT_ARGB32)
+ return;
+
+ for (uint32_t y = 0; y < image->height; y++) {
+ uint32_t *dstp = (uint32_t *) (image->data + image->stride * y);
+ for (uint32_t x = 0; x < image->width; x++) {
+ uint32_t argb = dstp[x], a = argb >> 24;
+ dstp[x] = a << 24 |
+ PREMULTIPLY8(a, 0xFF & (argb >> 16)) << 16 |
+ PREMULTIPLY8(a, 0xFF & (argb >> 8)) << 8 |
+ PREMULTIPLY8(a, 0xFF & argb);
+ }
+ }
+}
+
+// --- Profiles ----------------------------------------------------------------
+#ifdef HAVE_LCMS2
+
+struct _FivIoProfile {
+ FivIoCmm *cmm;
+ cmsHPROFILE profile;
+};
+
+GBytes *
+fiv_io_profile_to_bytes(FivIoProfile *profile)
+{
+ cmsUInt32Number len = 0;
+ (void) cmsSaveProfileToMem(profile, NULL, &len);
+ gchar *data = g_malloc0(len);
+ if (!cmsSaveProfileToMem(profile, data, &len)) {
+ g_free(data);
+ return NULL;
+ }
+ return g_bytes_new_take(data, len);
+}
+
+static FivIoProfile *
+fiv_io_profile_new(FivIoCmm *cmm, cmsHPROFILE profile)
+{
+ FivIoProfile *self = g_new0(FivIoProfile, 1);
+ self->cmm = g_object_ref(cmm);
+ self->profile = profile;
+ return self;
+}
+
+void
+fiv_io_profile_free(FivIoProfile *self)
+{
+ cmsCloseProfile(self->profile);
+ g_clear_object(&self->cmm);
+ g_free(self);
+}
+
+#else // ! HAVE_LCMS2
+
+GBytes *fiv_io_profile_to_bytes(FivIoProfile *) { return NULL; }
+void fiv_io_profile_free(FivIoProfile *) {}
+
+#endif // ! HAVE_LCMS2
+// --- Contexts ----------------------------------------------------------------
+#ifdef HAVE_LCMS2
+
+struct _FivIoCmm {
+ GObject parent_instance;
+ cmsContext context;
+
+ // https://github.com/mm2/Little-CMS/issues/430
+ gboolean broken_premul;
+};
+
+G_DEFINE_TYPE(FivIoCmm, fiv_io_cmm, G_TYPE_OBJECT)
+
+static void
+fiv_io_cmm_finalize(GObject *gobject)
+{
+ FivIoCmm *self = FIV_IO_CMM(gobject);
+ cmsDeleteContext(self->context);
+
+ G_OBJECT_CLASS(fiv_io_cmm_parent_class)->finalize(gobject);
+}
+
+static void
+fiv_io_cmm_class_init(FivIoCmmClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS(klass);
+ object_class->finalize = fiv_io_cmm_finalize;
+}
+
+static void
+fiv_io_cmm_init(FivIoCmm *self)
+{
+ self->context = cmsCreateContext(NULL, self);
+#ifdef HAVE_LCMS2_FAST_FLOAT
+ if (cmsPluginTHR(self->context, cmsFastFloatExtensions()))
+ self->broken_premul = LCMS_VERSION <= 2160;
+#endif // HAVE_LCMS2_FAST_FLOAT
+}
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+FivIoCmm *
+fiv_io_cmm_get_default(void)
+{
+ static gsize initialization_value = 0;
+ static FivIoCmm *default_ = NULL;
+ if (g_once_init_enter(&initialization_value)) {
+ gsize setup_value = 1;
+ default_ = g_object_new(FIV_TYPE_IO_CMM, NULL);
+ g_once_init_leave(&initialization_value, setup_value);
+ }
+ return default_;
+}
+
+FivIoProfile *
+fiv_io_cmm_get_profile(FivIoCmm *self, const void *data, size_t len)
+{
+ g_return_val_if_fail(self != NULL, NULL);
+
+ return fiv_io_profile_new(self,
+ cmsOpenProfileFromMemTHR(self->context, data, len));
+}
+
+FivIoProfile *
+fiv_io_cmm_get_profile_sRGB(FivIoCmm *self)
+{
+ g_return_val_if_fail(self != NULL, NULL);
+
+ return fiv_io_profile_new(self,
+ cmsCreate_sRGBProfileTHR(self->context));
+}
+
+FivIoProfile *
+fiv_io_cmm_get_profile_parametric(FivIoCmm *self,
+ double gamma, double whitepoint[2], double primaries[6])
+{
+ g_return_val_if_fail(self != NULL, NULL);
+
+ const cmsCIExyY cmsWP = {whitepoint[0], whitepoint[1], 1.0};
+ const cmsCIExyYTRIPLE cmsP = {
+ {primaries[0], primaries[1], 1.0},
+ {primaries[2], primaries[3], 1.0},
+ {primaries[4], primaries[5], 1.0},
+ };
+
+ cmsToneCurve *curve = cmsBuildGamma(self->context, gamma);
+ if (!curve)
+ return NULL;
+
+ cmsHPROFILE profile = cmsCreateRGBProfileTHR(self->context,
+ &cmsWP, &cmsP, (cmsToneCurve *[3]){curve, curve, curve});
+ cmsFreeToneCurve(curve);
+ return fiv_io_profile_new(self, profile);
+}
+
+#else // ! HAVE_LCMS2
+
+FivIoCmm *
+fiv_io_cmm_get_default()
+{
+ return NULL;
+}
+
+FivIoProfile *
+fiv_io_cmm_get_profile(FivIoCmm *, const void *, size_t)
+{
+ return NULL;
+}
+
+FivIoProfile *
+fiv_io_cmm_get_profile_sRGB(FivIoCmm *)
+{
+ return NULL;
+}
+
+FivIoProfile *
+fiv_io_cmm_get_profile_parametric(FivIoCmm *, double, double[2], double[6])
+{
+ return NULL;
+}
+
+#endif // ! HAVE_LCMS2
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+FivIoProfile *
+fiv_io_cmm_get_profile_sRGB_gamma(FivIoCmm *self, double gamma)
+{
+ return fiv_io_cmm_get_profile_parametric(self, gamma,
+ (double[2]){0.3127, 0.3290},
+ (double[6]){0.6400, 0.3300, 0.3000, 0.6000, 0.1500, 0.0600});
+}
+
+FivIoProfile *
+fiv_io_cmm_get_profile_from_bytes(FivIoCmm *self, GBytes *bytes)
+{
+ gsize len = 0;
+ gconstpointer p = g_bytes_get_data(bytes, &len);
+ return fiv_io_cmm_get_profile(self, p, len);
+}
+
+// --- Image loading -----------------------------------------------------------
+#ifdef HAVE_LCMS2
+
+// TODO(p): In general, try to use CAIRO_FORMAT_RGB30 or CAIRO_FORMAT_RGBA128F.
+#define FIV_IO_PROFILE_ARGB32 \
+ (G_BYTE_ORDER == G_LITTLE_ENDIAN ? TYPE_BGRA_8 : TYPE_ARGB_8)
+#define FIV_IO_PROFILE_4X16LE \
+ (G_BYTE_ORDER == G_LITTLE_ENDIAN ? TYPE_BGRA_16 : TYPE_BGRA_16_SE)
+
+void
+fiv_io_cmm_cmyk(FivIoCmm *self,
+ FivIoImage *image, FivIoProfile *source, FivIoProfile *target)
+{
+ g_return_if_fail(target == NULL || self != NULL);
+
+ cmsHTRANSFORM transform = NULL;
+ if (source && target) {
+ transform = cmsCreateTransformTHR(self->context,
+ source->profile, TYPE_CMYK_8_REV,
+ target->profile, FIV_IO_PROFILE_ARGB32, INTENT_PERCEPTUAL, 0);
+ }
+ if (transform) {
+ cmsDoTransform(
+ transform, image->data, image->data, image->width * image->height);
+ cmsDeleteTransform(transform);
+ return;
+ }
+ trivial_cmyk_to_host_byte_order_argb(
+ image->data, image->width * image->height);
+}
+
+static bool
+fiv_io_cmm_rgb_direct(FivIoCmm *self, unsigned char *data, int w, int h,
+ FivIoProfile *source, FivIoProfile *target,
+ uint32_t source_format, uint32_t target_format)
+{
+ g_return_val_if_fail(target == NULL || self != NULL, false);
+
+ // TODO(p): We should make this optional.
+ FivIoProfile *src_fallback = NULL;
+ if (target && !source)
+ source = src_fallback = fiv_io_cmm_get_profile_sRGB(self);
+
+ cmsHTRANSFORM transform = NULL;
+ if (source && target) {
+ transform = cmsCreateTransformTHR(self->context,
+ source->profile, source_format,
+ target->profile, target_format, INTENT_PERCEPTUAL, 0);
+ }
+ if (transform) {
+ cmsDoTransform(transform, data, data, w * h);
+ cmsDeleteTransform(transform);
+ }
+ if (src_fallback)
+ fiv_io_profile_free(src_fallback);
+ return transform != NULL;
+}
+
+static void
+fiv_io_cmm_xrgb32(FivIoCmm *self,
+ FivIoImage *image, FivIoProfile *source, FivIoProfile *target)
+{
+ fiv_io_cmm_rgb_direct(self, image->data, image->width, image->height,
+ source, target, FIV_IO_PROFILE_ARGB32, FIV_IO_PROFILE_ARGB32);
+}
+
+void
+fiv_io_cmm_4x16le_direct(FivIoCmm *self, unsigned char *data,
+ int w, int h, FivIoProfile *source, FivIoProfile *target)
+{
+ fiv_io_cmm_rgb_direct(self, data, w, h, source, target,
+ FIV_IO_PROFILE_4X16LE, FIV_IO_PROFILE_4X16LE);
+}
+
+#else // ! HAVE_LCMS2
+
+void
+fiv_io_cmm_cmyk(FivIoCmm *, FivIoImage *image, FivIoProfile *, FivIoProfile *)
+{
+ trivial_cmyk_to_host_byte_order_argb(
+ image->data, image->width * image->height);
+}
+
+static void
+fiv_io_cmm_xrgb32(FivIoCmm *, FivIoImage *, FivIoProfile *, FivIoProfile *)
+{
+}
+
+void
+fiv_io_cmm_4x16le_direct(
+ FivIoCmm *, unsigned char *, int, int, FivIoProfile *, FivIoProfile *)
+{
+}
+
+#endif // ! HAVE_LCMS2
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+#if defined HAVE_LCMS2 && LCMS_VERSION >= 2130
+
+#define FIV_IO_PROFILE_ARGB32_PREMUL \
+ (G_BYTE_ORDER == G_LITTLE_ENDIAN ? TYPE_BGRA_8_PREMUL : TYPE_ARGB_8_PREMUL)
+
+static void
+fiv_io_cmm_argb32(FivIoCmm *self, FivIoImage *image,
+ FivIoProfile *source, FivIoProfile *target)
+{
+ g_return_if_fail(image->format == CAIRO_FORMAT_ARGB32);
+
+ // TODO: With self->broken_premul,
+ // this probably also needs to be wrapped in un-premultiplication.
+ fiv_io_cmm_rgb_direct(self, image->data, image->width, image->height,
+ source, target,
+ FIV_IO_PROFILE_ARGB32_PREMUL, FIV_IO_PROFILE_ARGB32_PREMUL);
+}
+
+void
+fiv_io_cmm_argb32_premultiply(FivIoCmm *self,
+ FivIoImage *image, FivIoProfile *source, FivIoProfile *target)
+{
+ g_return_if_fail(target == NULL || self != NULL);
+
+ if (image->format != CAIRO_FORMAT_ARGB32) {
+ fiv_io_cmm_xrgb32(self, image, source, target);
+ } else if (!target || self->broken_premul) {
+ fiv_io_cmm_xrgb32(self, image, source, target);
+ fiv_io_premultiply_argb32(image);
+ } else if (!fiv_io_cmm_rgb_direct(self, image->data,
+ image->width, image->height, source, target,
+ FIV_IO_PROFILE_ARGB32, FIV_IO_PROFILE_ARGB32_PREMUL)) {
+ g_debug("failed to create a premultiplying transform");
+ fiv_io_premultiply_argb32(image);
+ }
+}
+
+#else // ! HAVE_LCMS2 || LCMS_VERSION < 2130
+
+static void
+fiv_io_cmm_argb32(FivIoCmm *, FivIoImage *, FivIoProfile *, FivIoProfile *)
+{
+ // TODO(p): Unpremultiply, transform, repremultiply. Or require lcms2>=2.13.
+}
+
+void
+fiv_io_cmm_argb32_premultiply(FivIoCmm *self,
+ FivIoImage *image, FivIoProfile *source, FivIoProfile *target)
+{
+ fiv_io_cmm_xrgb32(self, image, source, target);
+ fiv_io_premultiply_argb32(image);
+}
+
+#endif // ! HAVE_LCMS2 || LCMS_VERSION < 2130
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+void
+fiv_io_cmm_page(FivIoCmm *self, FivIoImage *page, FivIoProfile *target,
+ void (*frame_cb) (FivIoCmm *, FivIoImage *, FivIoProfile *, FivIoProfile *))
+{
+ FivIoProfile *source = NULL;
+ if (page->icc)
+ source = fiv_io_cmm_get_profile_from_bytes(self, page->icc);
+
+ // TODO(p): All animations need to be composited in a linear colour space.
+ for (FivIoImage *frame = page; frame != NULL; frame = frame->frame_next)
+ frame_cb(self, frame, source, target);
+
+ if (source)
+ fiv_io_profile_free(source);
+}
+
+void
+fiv_io_cmm_any(FivIoCmm *self,
+ FivIoImage *image, FivIoProfile *source, FivIoProfile *target)
+{
+ // TODO(p): Ensure we do colour management early enough, so that
+ // no avoidable increase of quantization error occurs beforehands,
+ // and also for correct alpha compositing.
+ switch (image->format) {
+ break; case CAIRO_FORMAT_RGB24:
+ fiv_io_cmm_xrgb32(self, image, source, target);
+ break; case CAIRO_FORMAT_ARGB32:
+ fiv_io_cmm_argb32(self, image, source, target);
+ break; default:
+ g_debug("CM attempted on an unsupported surface format");
+ }
+}
+
+// TODO(p): Offer better integration, upgrade the bit depth if appropriate.
+FivIoImage *
+fiv_io_cmm_finish(FivIoCmm *self, FivIoImage *image, FivIoProfile *target)
+{
+ if (!target)
+ return image;
+
+ for (FivIoImage *page = image; page != NULL; page = page->page_next)
+ fiv_io_cmm_page(self, page, target, fiv_io_cmm_any);
+ return image;
+}
diff --git a/fiv-io-profile.c b/fiv-io-profile.c
deleted file mode 100644
index 2c6f345..0000000
--- a/fiv-io-profile.c
+++ /dev/null
@@ -1,375 +0,0 @@
-//
-// fiv-profile.c: colour management
-//
-// Copyright (c) 2024, Přemysl Eric Janouch
-//
-// Permission to use, copy, modify, and/or distribute this software for any
-// purpose with or without fee is hereby granted.
-//
-// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
-// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
-// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
-// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-//
-
-#include "config.h"
-
-#include
-#include
-
-#include "fiv-io.h"
-
-// Colour management must be handled before RGB conversions.
-#ifdef HAVE_LCMS2
-#include
-#endif // HAVE_LCMS2
-#ifdef HAVE_LCMS2_FAST_FLOAT
-#include
-#endif // HAVE_LCMS2_FAST_FLOAT
-
-// https://github.com/mm2/Little-CMS/issues/430
-static bool g_broken_cms_premul;
-
-void
-fiv_io_profile_init(void)
-{
- // TODO(p): Use Little CMS with contexts instead.
-#ifdef HAVE_LCMS2_FAST_FLOAT
- if (cmsPluginTHR(NULL, cmsFastFloatExtensions()))
- g_broken_cms_premul = LCMS_VERSION <= 2160;
-#endif // HAVE_LCMS2_FAST_FLOAT
-}
-
-FivIoProfile *
-fiv_io_profile_new(const void *data, size_t len)
-{
-#ifdef HAVE_LCMS2
- return cmsOpenProfileFromMemTHR(NULL, data, len);
-#else
- (void) data;
- (void) len;
- return NULL;
-#endif
-}
-
-FivIoProfile *
-fiv_io_profile_new_sRGB(void)
-{
-#ifdef HAVE_LCMS2
- return cmsCreate_sRGBProfileTHR(NULL);
-#else
- return NULL;
-#endif
-}
-
-FivIoProfile *
-fiv_io_profile_new_parametric(
- double gamma, double whitepoint[2], double primaries[6])
-{
-#ifdef HAVE_LCMS2
- // TODO(p): Make sure to use the library in a thread-safe manner.
- cmsContext context = NULL;
-
- const cmsCIExyY cmsWP = {whitepoint[0], whitepoint[1], 1.0};
- const cmsCIExyYTRIPLE cmsP = {
- {primaries[0], primaries[1], 1.0},
- {primaries[2], primaries[3], 1.0},
- {primaries[4], primaries[5], 1.0},
- };
-
- cmsToneCurve *curve = cmsBuildGamma(context, gamma);
- if (!curve)
- return NULL;
-
- cmsHPROFILE profile = cmsCreateRGBProfileTHR(
- context, &cmsWP, &cmsP, (cmsToneCurve *[3]){curve, curve, curve});
- cmsFreeToneCurve(curve);
- return profile;
-#else
- (void) gamma;
- (void) whitepoint;
- (void) primaries;
- return NULL;
-#endif
-}
-
-FivIoProfile *
-fiv_io_profile_new_sRGB_gamma(double gamma)
-{
- return fiv_io_profile_new_parametric(gamma,
- (double[2]){0.3127, 0.3290},
- (double[6]){0.6400, 0.3300, 0.3000, 0.6000, 0.1500, 0.0600});
-}
-
-FivIoProfile *
-fiv_io_profile_new_from_bytes(GBytes *bytes)
-{
- gsize len = 0;
- gconstpointer p = g_bytes_get_data(bytes, &len);
- return fiv_io_profile_new(p, len);
-}
-
-GBytes *
-fiv_io_profile_to_bytes(FivIoProfile *profile)
-{
-#ifdef HAVE_LCMS2
- cmsUInt32Number len = 0;
- (void) cmsSaveProfileToMem(profile, NULL, &len);
- gchar *data = g_malloc0(len);
- if (!cmsSaveProfileToMem(profile, data, &len)) {
- g_free(data);
- return NULL;
- }
- return g_bytes_new_take(data, len);
-#else
- (void) profile;
- return NULL;
-#endif
-}
-
-void
-fiv_io_profile_free(FivIoProfile *self)
-{
-#ifdef HAVE_LCMS2
- cmsCloseProfile(self);
-#else
- (void) self;
-#endif
-}
-
-// --- Image loading -----------------------------------------------------------
-
-// TODO(p): In general, try to use CAIRO_FORMAT_RGB30 or CAIRO_FORMAT_RGBA128F.
-#ifndef HAVE_LCMS2
-#define FIV_IO_PROFILE_ARGB32 0
-#define FIV_IO_PROFILE_4X16LE 0
-#else
-#define FIV_IO_PROFILE_ARGB32 \
- (G_BYTE_ORDER == G_LITTLE_ENDIAN ? TYPE_BGRA_8 : TYPE_ARGB_8)
-#define FIV_IO_PROFILE_4X16LE \
- (G_BYTE_ORDER == G_LITTLE_ENDIAN ? TYPE_BGRA_16 : TYPE_BGRA_16_SE)
-#endif
-
-// CAIRO_STRIDE_ALIGNMENT is 4 bytes, so there will be no padding with
-// ARGB/BGRA/XRGB/BGRX.
-static void
-trivial_cmyk_to_host_byte_order_argb(unsigned char *p, int len)
-{
- // This CMYK handling has been seen in gdk-pixbuf/JPEG, GIMP/JPEG, skcms.
- // It will typically produce horribly oversaturated results.
- // Assume that all YCCK/CMYK JPEG files use inverted CMYK, as Photoshop
- // does, see https://bugzilla.gnome.org/show_bug.cgi?id=618096
- while (len--) {
- int c = p[0], m = p[1], y = p[2], k = p[3];
-#if G_BYTE_ORDER == G_LITTLE_ENDIAN
- p[0] = k * y / 255;
- p[1] = k * m / 255;
- p[2] = k * c / 255;
- p[3] = 255;
-#else
- p[3] = k * y / 255;
- p[2] = k * m / 255;
- p[1] = k * c / 255;
- p[0] = 255;
-#endif
- p += 4;
- }
-}
-
-void
-fiv_io_profile_cmyk(
- FivIoImage *image, FivIoProfile *source, FivIoProfile *target)
-{
-#ifndef HAVE_LCMS2
- (void) source;
- (void) target;
-#else
- cmsHTRANSFORM transform = NULL;
- if (source && target) {
- transform = cmsCreateTransformTHR(NULL, source, TYPE_CMYK_8_REV, target,
- FIV_IO_PROFILE_ARGB32, INTENT_PERCEPTUAL, 0);
- }
- if (transform) {
- cmsDoTransform(
- transform, image->data, image->data, image->width * image->height);
- cmsDeleteTransform(transform);
- return;
- }
-#endif
- trivial_cmyk_to_host_byte_order_argb(
- image->data, image->width * image->height);
-}
-
-static bool
-fiv_io_profile_rgb_direct(unsigned char *data, int w, int h,
- FivIoProfile *source, FivIoProfile *target,
- uint32_t source_format, uint32_t target_format)
-{
-#ifndef HAVE_LCMS2
- (void) data;
- (void) w;
- (void) h;
- (void) source;
- (void) source_format;
- (void) target;
- (void) target_format;
- return false;
-#else
- // TODO(p): We should make this optional.
- cmsHPROFILE src_fallback = NULL;
- if (target && !source)
- source = src_fallback = cmsCreate_sRGBProfileTHR(NULL);
-
- cmsHTRANSFORM transform = NULL;
- if (source && target) {
- transform = cmsCreateTransformTHR(NULL,
- source, source_format, target, target_format, INTENT_PERCEPTUAL, 0);
- }
- if (transform) {
- cmsDoTransform(transform, data, data, w * h);
- cmsDeleteTransform(transform);
- }
- if (src_fallback)
- cmsCloseProfile(src_fallback);
- return transform != NULL;
-#endif
-}
-
-static void
-fiv_io_profile_xrgb32(
- FivIoImage *image, FivIoProfile *source, FivIoProfile *target)
-{
- fiv_io_profile_rgb_direct(image->data, image->width, image->height,
- source, target, FIV_IO_PROFILE_ARGB32, FIV_IO_PROFILE_ARGB32);
-}
-
-void
-fiv_io_profile_4x16le_direct(unsigned char *data,
- int w, int h, FivIoProfile *source, FivIoProfile *target)
-{
- fiv_io_profile_rgb_direct(data, w, h, source, target,
- FIV_IO_PROFILE_4X16LE, FIV_IO_PROFILE_4X16LE);
-}
-
-// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
-void
-fiv_io_profile_page(FivIoImage *page, FivIoProfile *target,
- void (*frame_cb) (FivIoImage *, FivIoProfile *, FivIoProfile *))
-{
- FivIoProfile *source = NULL;
- if (page->icc)
- source = fiv_io_profile_new_from_bytes(page->icc);
-
- // TODO(p): All animations need to be composited in a linear colour space.
- for (FivIoImage *frame = page; frame != NULL; frame = frame->frame_next)
- frame_cb(frame, source, target);
-
- if (source)
- fiv_io_profile_free(source);
-}
-
-// From libwebp, verified to exactly match [x * a / 255].
-#define PREMULTIPLY8(a, x) (((uint32_t) (x) * (uint32_t) (a) * 32897U) >> 23)
-
-void
-fiv_io_premultiply_argb32(FivIoImage *image)
-{
- if (image->format != CAIRO_FORMAT_ARGB32)
- return;
-
- for (uint32_t y = 0; y < image->height; y++) {
- uint32_t *dstp = (uint32_t *) (image->data + image->stride * y);
- for (uint32_t x = 0; x < image->width; x++) {
- uint32_t argb = dstp[x], a = argb >> 24;
- dstp[x] = a << 24 |
- PREMULTIPLY8(a, 0xFF & (argb >> 16)) << 16 |
- PREMULTIPLY8(a, 0xFF & (argb >> 8)) << 8 |
- PREMULTIPLY8(a, 0xFF & argb);
- }
- }
-}
-
-#if defined HAVE_LCMS2 && LCMS_VERSION >= 2130
-
-#define FIV_IO_PROFILE_ARGB32_PREMUL \
- (G_BYTE_ORDER == G_LITTLE_ENDIAN ? TYPE_BGRA_8_PREMUL : TYPE_ARGB_8_PREMUL)
-
-static void
-fiv_io_profile_argb32(FivIoImage *image,
- FivIoProfile *source, FivIoProfile *target)
-{
- g_return_if_fail(image->format == CAIRO_FORMAT_ARGB32);
-
- // TODO: With g_no_cms_premultiplication,
- // this probably also needs to be wrapped in un-premultiplication.
- fiv_io_profile_rgb_direct(image->data, image->width, image->height,
- source, target,
- FIV_IO_PROFILE_ARGB32_PREMUL, FIV_IO_PROFILE_ARGB32_PREMUL);
-}
-
-void
-fiv_io_profile_argb32_premultiply(
- FivIoImage *image, FivIoProfile *source, FivIoProfile *target)
-{
- if (image->format != CAIRO_FORMAT_ARGB32) {
- fiv_io_profile_xrgb32(image, source, target);
- } else if (g_broken_cms_premul) {
- fiv_io_profile_xrgb32(image, source, target);
- fiv_io_premultiply_argb32(image);
- } else if (!fiv_io_profile_rgb_direct(image->data,
- image->width, image->height, source, target,
- FIV_IO_PROFILE_ARGB32, FIV_IO_PROFILE_ARGB32_PREMUL)) {
- g_debug("failed to create a premultiplying transform");
- fiv_io_premultiply_argb32(image);
- }
-}
-
-#else // ! HAVE_LCMS2 || LCMS_VERSION < 2130
-
-// TODO(p): Unpremultiply, transform, repremultiply. Or require lcms2>=2.13.
-#define fiv_io_profile_argb32(surface, source, target)
-
-static void
-fiv_io_profile_argb32_premultiply(
- FivIoImage *image, FivIoProfile *source, FivIoProfile *target)
-{
- fiv_io_profile_xrgb32(image, source, target);
- fiv_io_premultiply_argb32(image);
-}
-
-#endif // ! HAVE_LCMS2 || LCMS_VERSION < 2130
-
-// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
-void
-fiv_io_profile_any(
- FivIoImage *image, FivIoProfile *source, FivIoProfile *target)
-{
- // TODO(p): Ensure we do colour management early enough, so that
- // no avoidable increase of quantization error occurs beforehands,
- // and also for correct alpha compositing.
- switch (image->format) {
- break; case CAIRO_FORMAT_RGB24:
- fiv_io_profile_xrgb32(image, source, target);
- break; case CAIRO_FORMAT_ARGB32:
- fiv_io_profile_argb32(image, source, target);
- break; default:
- g_debug("CM attempted on an unsupported surface format");
- }
-}
-
-// TODO(p): Offer better integration, upgrade the bit depth if appropriate.
-FivIoImage *
-fiv_io_profile_finalize(FivIoImage *image, FivIoProfile *target)
-{
- if (!target)
- return image;
-
- for (FivIoImage *page = image; page != NULL; page = page->page_next)
- fiv_io_profile_page(page, target, fiv_io_profile_any);
- return image;
-}
diff --git a/fiv-io.c b/fiv-io.c
index ce30f2d..e3d8c12 100644
--- a/fiv-io.c
+++ b/fiv-io.c
@@ -379,6 +379,7 @@ struct load_wuffs_frame_context {
GBytes *meta_iccp; ///< Reference-counted ICC profile
GBytes *meta_xmp; ///< Reference-counted XMP
+ FivIoCmm *cmm; ///< CMM context, if any
FivIoProfile *target; ///< Target device profile, if any
FivIoProfile *source; ///< Source colour profile, if any
@@ -447,11 +448,12 @@ load_wuffs_frame(struct load_wuffs_frame_context *ctx, GError **error)
if (ctx->target) {
if (ctx->expand_16_float || ctx->pack_16_10) {
- fiv_io_profile_4x16le_direct(
+ fiv_io_cmm_4x16le_direct(ctx->cmm,
targetbuf, ctx->width, ctx->height, ctx->source, ctx->target);
// The first one premultiplies below, the second doesn't need to.
} else {
- fiv_io_profile_argb32_premultiply(image, ctx->source, ctx->target);
+ fiv_io_cmm_argb32_premultiply(
+ ctx->cmm, image, ctx->source, ctx->target);
}
}
@@ -589,7 +591,8 @@ open_wuffs(wuffs_base__image_decoder *dec, wuffs_base__io_buffer src,
const FivIoOpenContext *ioctx, GError **error)
{
struct load_wuffs_frame_context ctx = {
- .dec = dec, .src = &src, .target = ioctx->screen_profile};
+ .dec = dec, .src = &src,
+ .cmm = ioctx->cmm, .target = ioctx->screen_profile};
// TODO(p): PNG text chunks, like we do with PNG thumbnails.
// TODO(p): See if something could and should be done about
@@ -673,9 +676,11 @@ open_wuffs(wuffs_base__image_decoder *dec, wuffs_base__io_buffer src,
// TODO(p): Improve our simplistic PNG handling of: gAMA, cHRM, sRGB.
if (ctx.target) {
if (ctx.meta_iccp)
- ctx.source = fiv_io_profile_new_from_bytes(ctx.meta_iccp);
+ ctx.source = fiv_io_cmm_get_profile_from_bytes(
+ ctx.cmm, ctx.meta_iccp);
else if (isfinite(gamma) && gamma > 0)
- ctx.source = fiv_io_profile_new_sRGB_gamma(gamma);
+ ctx.source = fiv_io_cmm_get_profile_sRGB_gamma(
+ ctx.cmm, gamma);
}
// Wuffs maps tRNS to BGRA in `decoder.decode_trns?`, we should be fine.
@@ -1059,7 +1064,7 @@ parse_exif_profile_subifd(
}
static FivIoProfile *
-parse_exif_profile(const void *data, size_t len)
+parse_exif_profile(FivIoCmm *cmm, const void *data, size_t len)
{
struct tiffer T = {};
if (!tiffer_init(&T, (const uint8_t *) data, len) || !tiffer_next_ifd(&T))
@@ -1091,7 +1096,7 @@ parse_exif_profile(const void *data, size_t len)
// If sRGB is claimed, assume all parameters are standard.
if (params.colorspace == Exif_ColorSpace_sRGB)
- return fiv_io_profile_new_sRGB();
+ return fiv_io_cmm_get_profile_sRGB(cmm);
// AdobeRGB Nikon JPEGs provide all of these.
if (params.colorspace != Exif_ColorSpace_Uncalibrated ||
@@ -1100,7 +1105,7 @@ parse_exif_profile(const void *data, size_t len)
!params.have_primaries)
return NULL;
- return fiv_io_profile_new_parametric(
+ return fiv_io_cmm_get_profile_parametric(cmm,
params.gamma, params.whitepoint, params.primaries);
}
@@ -1255,17 +1260,17 @@ load_jpeg_finalize(FivIoImage *image, bool cmyk,
g_byte_array_free(meta.icc, TRUE);
FivIoProfile *source = NULL;
- if (icc_profile)
- source = fiv_io_profile_new(
+ if (icc_profile && ctx->cmm)
+ source = fiv_io_cmm_get_profile(ctx->cmm,
g_bytes_get_data(icc_profile, NULL), g_bytes_get_size(icc_profile));
- else if (image->exif)
- source = parse_exif_profile(
+ else if (image->exif && ctx->cmm)
+ source = parse_exif_profile(ctx->cmm,
g_bytes_get_data(image->exif, NULL), g_bytes_get_size(image->exif));
if (cmyk)
- fiv_io_profile_cmyk(image, source, ctx->screen_profile);
+ fiv_io_cmm_cmyk(ctx->cmm, image, source, ctx->screen_profile);
else
- fiv_io_profile_any(image, source, ctx->screen_profile);
+ fiv_io_cmm_any(ctx->cmm, image, source, ctx->screen_profile);
if (source)
fiv_io_profile_free(source);
@@ -1666,7 +1671,8 @@ open_libwebp(
WebPDemuxDelete(demux);
if (ctx->screen_profile)
- fiv_io_profile_argb32_premultiply_page(result, ctx->screen_profile);
+ fiv_io_cmm_argb32_premultiply_page(
+ ctx->cmm, result, ctx->screen_profile);
fail:
WebPFreeDecBuffer(&config.output);
@@ -2048,7 +2054,7 @@ open_libraw(
out:
libraw_close(iprc);
- return fiv_io_profile_finalize(result, ctx->screen_profile);
+ return fiv_io_cmm_finish(ctx->cmm, result, ctx->screen_profile);
}
#endif // HAVE_LIBRAW ---------------------------------------------------------
@@ -2070,8 +2076,8 @@ load_resvg_destroy(FivIoRenderClosure *closure)
}
static FivIoImage *
-load_resvg_render_internal(FivIoRenderClosureResvg *self,
- double scale, FivIoProfile *target, GError **error)
+load_resvg_render_internal(FivIoRenderClosureResvg *self, double scale,
+ FivIoCmm *cmm, FivIoProfile *target, GError **error)
{
double w = ceil(self->width * scale), h = ceil(self->height * scale);
if (w > SHRT_MAX || h > SHRT_MAX) {
@@ -2101,15 +2107,15 @@ load_resvg_render_internal(FivIoRenderClosureResvg *self,
uint32_t rgba = g_ntohl(pixels[i]);
pixels[i] = rgba << 24 | rgba >> 8;
}
- return fiv_io_profile_finalize(image, target);
+ return fiv_io_cmm_finish(cmm, image, target);
}
static FivIoImage *
-load_resvg_render(
- FivIoRenderClosure *closure, FivIoProfile *target, double scale)
+load_resvg_render(FivIoRenderClosure *closure,
+ FivIoCmm *cmm, FivIoProfile *target, double scale)
{
FivIoRenderClosureResvg *self = (FivIoRenderClosureResvg *) closure;
- return load_resvg_render_internal(self, scale, target, NULL);
+ return load_resvg_render_internal(self, scale, cmm, target, NULL);
}
static const char *
@@ -2167,8 +2173,8 @@ open_resvg(
closure->width = size.width;
closure->height = size.height;
- FivIoImage *image =
- load_resvg_render_internal(closure, 1., ctx->screen_profile, error);
+ FivIoImage *image = load_resvg_render_internal(
+ closure, 1., ctx->cmm, ctx->screen_profile, error);
if (!image) {
load_resvg_destroy(&closure->parent);
return NULL;
@@ -2198,7 +2204,7 @@ load_librsvg_destroy(FivIoRenderClosure *closure)
static FivIoImage *
load_librsvg_render_internal(FivIoRenderClosureLibrsvg *self, double scale,
- FivIoProfile *target, GError **error)
+ FivIoCmm *cmm, FivIoProfile *target, GError **error)
{
RsvgRectangle viewport = {.x = 0, .y = 0,
.width = self->width * scale, .height = self->height * scale};
@@ -2225,15 +2231,15 @@ load_librsvg_render_internal(FivIoRenderClosureLibrsvg *self, double scale,
fiv_io_image_unref(image);
return NULL;
}
- return fiv_io_profile_finalize(image, target);
+ return fiv_io_cmm_finish(cmm, image, target);
}
static FivIoImage *
-load_librsvg_render(
- FivIoRenderClosure *closure, FivIoProfile *target, double scale)
+load_librsvg_render(FivIoRenderClosure *closure,
+ FivIoCmm *cmm, FivIoProfile *target, double scale)
{
FivIoRenderClosureLibrsvg *self = (FivIoRenderClosureLibrsvg *) closure;
- return load_librsvg_render_internal(self, scale, target, NULL);
+ return load_librsvg_render_internal(self, scale, cmm, target, NULL);
}
static FivIoImage *
@@ -2282,8 +2288,8 @@ open_librsvg(
// librsvg rasterizes filters, so rendering to a recording Cairo surface
// has been abandoned.
- FivIoImage *image =
- load_librsvg_render_internal(closure, 1., ctx->screen_profile, error);
+ FivIoImage *image = load_librsvg_render_internal(
+ closure, 1., ctx->cmm, ctx->screen_profile, error);
if (!image) {
load_librsvg_destroy(&closure->parent);
return NULL;
@@ -2599,7 +2605,7 @@ open_libheif(
g_free(ids);
fail_read:
heif_context_free(ctx);
- return fiv_io_profile_finalize(result, ioctx->screen_profile);
+ return fiv_io_cmm_finish(ioctx->cmm, result, ioctx->screen_profile);
}
#endif // HAVE_LIBHEIF --------------------------------------------------------
@@ -2830,7 +2836,7 @@ fail:
TIFFSetWarningHandlerExt(whe);
TIFFSetErrorHandler(eh);
TIFFSetWarningHandler(wh);
- return fiv_io_profile_finalize(result, ctx->screen_profile);
+ return fiv_io_cmm_finish(ctx->cmm, result, ctx->screen_profile);
}
#endif // HAVE_LIBTIFF --------------------------------------------------------
@@ -2925,9 +2931,10 @@ open_gdkpixbuf(
g_object_unref(pixbuf);
if (custom_argb32)
- fiv_io_profile_argb32_premultiply_page(image, ctx->screen_profile);
+ fiv_io_cmm_argb32_premultiply_page(
+ ctx->cmm, image, ctx->screen_profile);
else
- image = fiv_io_profile_finalize(image, ctx->screen_profile);
+ image = fiv_io_cmm_finish(ctx->cmm, image, ctx->screen_profile);
return image;
}
diff --git a/fiv-io.h b/fiv-io.h
index fda9319..c8d22c4 100644
--- a/fiv-io.h
+++ b/fiv-io.h
@@ -25,41 +25,50 @@
typedef enum _FivIoOrientation FivIoOrientation;
typedef struct _FivIoRenderClosure FivIoRenderClosure;
typedef struct _FivIoImage FivIoImage;
+typedef struct _FivIoProfile FivIoProfile;
// --- Colour management -------------------------------------------------------
+// Note that without a CMM, all FivIoCmm and FivIoProfile will be returned NULL.
-void fiv_io_profile_init(void);
-
-// TODO(p): Make it also possible to use Skia's skcms.
-typedef void *FivIoProfile;
-FivIoProfile *fiv_io_profile_new(const void *data, size_t len);
-FivIoProfile *fiv_io_profile_new_from_bytes(GBytes *bytes);
-FivIoProfile *fiv_io_profile_new_sRGB(void);
-FivIoProfile *fiv_io_profile_new_sRGB_gamma(double gamma);
-FivIoProfile *fiv_io_profile_new_parametric(
- double gamma, double whitepoint[2], double primaries[6]);
GBytes *fiv_io_profile_to_bytes(FivIoProfile *profile);
void fiv_io_profile_free(FivIoProfile *self);
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+#define FIV_TYPE_IO_CMM (fiv_io_cmm_get_type())
+G_DECLARE_FINAL_TYPE(FivIoCmm, fiv_io_cmm, FIV, IO_CMM, GObject)
+
+FivIoCmm *fiv_io_cmm_get_default(void);
+
+FivIoProfile *fiv_io_cmm_get_profile(
+ FivIoCmm *self, const void *data, size_t len);
+FivIoProfile *fiv_io_cmm_get_profile_from_bytes(FivIoCmm *self, GBytes *bytes);
+FivIoProfile *fiv_io_cmm_get_profile_sRGB(FivIoCmm *self);
+FivIoProfile *fiv_io_cmm_get_profile_sRGB_gamma(FivIoCmm *self, double gamma);
+FivIoProfile *fiv_io_cmm_get_profile_parametric(
+ FivIoCmm *self, double gamma, double whitepoint[2], double primaries[6]);
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
void fiv_io_premultiply_argb32(FivIoImage *image);
-void fiv_io_profile_cmyk(
+void fiv_io_cmm_cmyk(FivIoCmm *self,
FivIoImage *image, FivIoProfile *source, FivIoProfile *target);
-void fiv_io_profile_4x16le_direct(unsigned char *data,
+void fiv_io_cmm_4x16le_direct(FivIoCmm *self, unsigned char *data,
int w, int h, FivIoProfile *source, FivIoProfile *target);
-void fiv_io_profile_argb32_premultiply(
- FivIoImage *image, FivIoProfile *source, FivIoProfile *target);
-void fiv_io_profile_page(FivIoImage *page, FivIoProfile *target,
- void (*frame_cb) (FivIoImage *, FivIoProfile *, FivIoProfile *));
-#define fiv_io_profile_argb32_premultiply_page(page, target) \
- fiv_io_profile_page((page), (target), fiv_io_profile_argb32_premultiply)
+void fiv_io_cmm_argb32_premultiply(FivIoCmm *self,
+ FivIoImage *image, FivIoProfile *source, FivIoProfile *target);
+#define fiv_io_cmm_argb32_premultiply_page(cmm, page, target) \
+ fiv_io_cmm_page((cmm), (page), (target), fiv_io_cmm_argb32_premultiply)
-void fiv_io_profile_any(
+void fiv_io_cmm_page(FivIoCmm *self, FivIoImage *page, FivIoProfile *target,
+ void (*frame_cb) (FivIoCmm *,
+ FivIoImage *, FivIoProfile *, FivIoProfile *));
+void fiv_io_cmm_any(FivIoCmm *self,
FivIoImage *image, FivIoProfile *source, FivIoProfile *target);
-FivIoImage *fiv_io_profile_finalize(FivIoImage *image, FivIoProfile *target);
+FivIoImage *fiv_io_cmm_finish(FivIoCmm *self,
+ FivIoImage *image, FivIoProfile *target);
// --- Loading -----------------------------------------------------------------
@@ -84,7 +93,8 @@ enum _FivIoOrientation {
// then loaders could store it in their closures.
struct _FivIoRenderClosure {
/// The rendering is allowed to fail, returning NULL.
- FivIoImage *(*render)(FivIoRenderClosure *, FivIoProfile *, double scale);
+ FivIoImage *(*render)(
+ FivIoRenderClosure *, FivIoCmm *, FivIoProfile *, double scale);
void (*destroy)(FivIoRenderClosure *);
};
@@ -155,7 +165,8 @@ cairo_surface_t *fiv_io_image_to_surface_noref(const FivIoImage *image);
typedef struct {
const char *uri; ///< Source URI
- FivIoProfile screen_profile; ///< Target colour space or NULL
+ FivIoCmm *cmm; ///< Colour management module or NULL
+ FivIoProfile *screen_profile; ///< Target colour space or NULL
int screen_dpi; ///< Target DPI
gboolean enhance; ///< Enhance JPEG (currently)
gboolean first_frame_only; ///< Only interested in the 1st frame
diff --git a/fiv-thumbnail.c b/fiv-thumbnail.c
index 6ff1246..80f378e 100644
--- a/fiv-thumbnail.c
+++ b/fiv-thumbnail.c
@@ -137,10 +137,12 @@ might_be_a_thumbnail(const char *path_or_uri)
static FivIoImage *
render(GFile *target, GBytes *data, gboolean *color_managed, GError **error)
{
+ FivIoCmm *cmm = fiv_io_cmm_get_default();
FivIoOpenContext ctx = {
.uri = g_file_get_uri(target),
// Remember to synchronize changes with adjust_thumbnail().
- .screen_profile = fiv_io_profile_new_sRGB(),
+ .cmm = cmm,
+ .screen_profile = fiv_io_cmm_get_profile_sRGB(cmm),
.screen_dpi = 96,
.first_frame_only = TRUE,
// Only using this array as a redirect.
@@ -182,9 +184,11 @@ adjust_thumbnail(FivIoImage *thumbnail, double row_height)
FivIoRenderClosure *closure = thumbnail->render;
if (closure && orientation <= FivIoOrientation0) {
// Remember to synchronize changes with render().
- FivIoProfile *screen_profile = fiv_io_profile_new_sRGB();
+ FivIoCmm *cmm = fiv_io_cmm_get_default();
+ FivIoProfile *screen_profile = fiv_io_cmm_get_profile_sRGB(cmm);
// This API doesn't accept non-uniform scaling; prefer a vertical fit.
- FivIoImage *scaled = closure->render(closure, screen_profile, scale_y);
+ FivIoImage *scaled =
+ closure->render(closure, cmm, screen_profile, scale_y);
if (screen_profile)
fiv_io_profile_free(screen_profile);
if (scaled)
diff --git a/fiv-view.c b/fiv-view.c
index 0025d47..fbcb769 100644
--- a/fiv-view.c
+++ b/fiv-view.c
@@ -417,6 +417,7 @@ prescale_page(FivView *self)
// If it fails, the previous frame pointer may become invalid.
g_clear_pointer(&self->page_scaled, fiv_io_image_unref);
self->frame = self->page_scaled = closure->render(closure,
+ self->enable_cms ? fiv_io_cmm_get_default() : NULL,
self->enable_cms ? self->screen_cms_profile : NULL, self->scale);
if (!self->page_scaled)
self->frame = self->page;
@@ -475,7 +476,8 @@ monitor_cms_profile(GdkWindow *root, int num)
if (gdk_property_get(root, gdk_atom_intern(atom, FALSE), GDK_NONE, 0,
8 << 20 /* MiB */, FALSE, &type, &format, &length, &data)) {
if (format == 8 && length > 0)
- result = fiv_io_profile_new(data, length);
+ result = fiv_io_cmm_get_profile(
+ fiv_io_cmm_get_default(), data, length);
g_free(data);
}
return result;
@@ -525,7 +527,8 @@ reload_screen_cms_profile(FivView *self, GdkWindow *window)
out:
if (!self->screen_cms_profile)
- self->screen_cms_profile = fiv_io_profile_new_sRGB();
+ self->screen_cms_profile =
+ fiv_io_cmm_get_profile_sRGB(fiv_io_cmm_get_default());
}
static void
@@ -1381,6 +1384,7 @@ open_without_swapping_in(FivView *self, const char *uri)
{
FivIoOpenContext ctx = {
.uri = uri,
+ .cmm = self->enable_cms ? fiv_io_cmm_get_default() : NULL,
.screen_profile = self->enable_cms ? self->screen_cms_profile : NULL,
.screen_dpi = 96, // TODO(p): Try to retrieve it from the screen.
.enhance = self->enhance,
diff --git a/fiv.c b/fiv.c
index f4f612e..43041b0 100644
--- a/fiv.c
+++ b/fiv.c
@@ -2583,8 +2583,6 @@ on_app_handle_local_options(G_GNUC_UNUSED GApplication *app,
return 0;
}
- fiv_io_profile_init();
-
// Normalize all arguments to URIs, and run thumbnailing modes first.
for (gsize i = 0; o.args && o.args[i]; i++) {
GFile *resolved = g_file_new_for_commandline_arg(o.args[i]);
diff --git a/meson.build b/meson.build
index 2d854e7..bf18196 100644
--- a/meson.build
+++ b/meson.build
@@ -164,7 +164,7 @@ tiff_tables = custom_target('tiff-tables.h',
)
desktops = ['fiv.desktop', 'fiv-browse.desktop']
-iolib = static_library('fiv-io', 'fiv-io.c', 'fiv-io-profile.c', 'xdg.c',
+iolib = static_library('fiv-io', 'fiv-io.c', 'fiv-io-cmm.c', 'xdg.c',
tiff_tables,
dependencies : dependencies).extract_all_objects(recursive : true)
exe = executable('fiv', 'fiv.c', 'fiv-view.c', 'fiv-context-menu.c',
--
cgit v1.2.3-70-g09d2