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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /third_party/jpeg-xl/lib/jxl/enc_debug_image.cc
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/jpeg-xl/lib/jxl/enc_debug_image.cc')
-rw-r--r--third_party/jpeg-xl/lib/jxl/enc_debug_image.cc115
1 files changed, 115 insertions, 0 deletions
diff --git a/third_party/jpeg-xl/lib/jxl/enc_debug_image.cc b/third_party/jpeg-xl/lib/jxl/enc_debug_image.cc
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+++ b/third_party/jpeg-xl/lib/jxl/enc_debug_image.cc
@@ -0,0 +1,115 @@
+// Copyright (c) the JPEG XL Project Authors. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#include "lib/jxl/enc_debug_image.h"
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include "lib/jxl/base/status.h"
+#include "lib/jxl/color_encoding_internal.h"
+#include "lib/jxl/dec_external_image.h"
+#include "lib/jxl/enc_params.h"
+#include "lib/jxl/image_ops.h"
+
+namespace jxl {
+
+namespace {
+template <typename From>
+Plane<float> ConvertToFloat(const Plane<From>& from) {
+ float factor = 1.0f / std::numeric_limits<From>::max();
+ if (std::is_same<From, double>::value || std::is_same<From, float>::value) {
+ factor = 1.0f;
+ }
+ Plane<float> to(from.xsize(), from.ysize());
+ for (size_t y = 0; y < from.ysize(); ++y) {
+ const From* const JXL_RESTRICT row_from = from.Row(y);
+ float* const JXL_RESTRICT row_to = to.Row(y);
+ for (size_t x = 0; x < from.xsize(); ++x) {
+ row_to[x] = row_from[x] * factor;
+ }
+ }
+ return to;
+}
+template <typename From>
+Image3F ConvertToFloat(const Image3<From>& from) {
+ return Image3F(ConvertToFloat(from.Plane(0)), ConvertToFloat(from.Plane(1)),
+ ConvertToFloat(from.Plane(2)));
+}
+
+template <typename T>
+void DumpImageT(const CompressParams& cparams, const char* label,
+ const ColorEncoding& color_encoding, const Image3<T>& image) {
+ if (!cparams.debug_image) return;
+ Image3F float_image = ConvertToFloat(image);
+ JxlColorEncoding color = color_encoding.ToExternal();
+ size_t num_pixels = 3 * image.xsize() * image.ysize();
+ std::vector<uint16_t> pixels(num_pixels);
+ const ImageF* channels[3];
+ for (int c = 0; c < 3; ++c) {
+ channels[c] = &float_image.Plane(c);
+ }
+ JXL_CHECK(ConvertChannelsToExternal(
+ channels, 3, 16, false, JXL_BIG_ENDIAN, 6 * image.xsize(), nullptr,
+ &pixels[0], 2 * num_pixels, PixelCallback(), Orientation::kIdentity));
+ (*cparams.debug_image)(cparams.debug_image_opaque, label, image.xsize(),
+ image.ysize(), &color, &pixels[0]);
+}
+
+template <typename T>
+void DumpPlaneNormalizedT(const CompressParams& cparams, const char* label,
+ const Plane<T>& image) {
+ T min;
+ T max;
+ ImageMinMax(image, &min, &max);
+ Image3B normalized(image.xsize(), image.ysize());
+ for (size_t c = 0; c < 3; ++c) {
+ float mul = min == max ? 0 : (255.0f / (max - min));
+ for (size_t y = 0; y < image.ysize(); ++y) {
+ const T* JXL_RESTRICT row_in = image.ConstRow(y);
+ uint8_t* JXL_RESTRICT row_out = normalized.PlaneRow(c, y);
+ for (size_t x = 0; x < image.xsize(); ++x) {
+ row_out[x] = static_cast<uint8_t>((row_in[x] - min) * mul);
+ }
+ }
+ }
+ DumpImageT(cparams, label, ColorEncoding::SRGB(), normalized);
+}
+
+} // namespace
+
+void DumpImage(const CompressParams& cparams, const char* label,
+ const Image3<float>& image) {
+ DumpImageT(cparams, label, ColorEncoding::SRGB(), image);
+}
+
+void DumpImage(const CompressParams& cparams, const char* label,
+ const Image3<uint8_t>& image) {
+ DumpImageT(cparams, label, ColorEncoding::SRGB(), image);
+}
+
+void DumpXybImage(const CompressParams& cparams, const char* label,
+ const Image3F& image) {
+ if (!cparams.debug_image) return;
+
+ Image3F linear(image.xsize(), image.ysize());
+ OpsinParams opsin_params;
+ opsin_params.Init(kDefaultIntensityTarget);
+ OpsinToLinear(image, Rect(linear), nullptr, &linear, opsin_params);
+
+ DumpImageT(cparams, label, ColorEncoding::LinearSRGB(), linear);
+}
+
+void DumpPlaneNormalized(const CompressParams& cparams, const char* label,
+ const Plane<float>& image) {
+ DumpPlaneNormalizedT(cparams, label, image);
+}
+
+void DumpPlaneNormalized(const CompressParams& cparams, const char* label,
+ const Plane<uint8_t>& image) {
+ DumpPlaneNormalizedT(cparams, label, image);
+}
+
+} // namespace jxl