[babl] extensions: add missing 32bit.c
- From: Øyvind Kolås <ok src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [babl] extensions: add missing 32bit.c
- Date: Fri, 6 Apr 2018 11:14:50 +0000 (UTC)
commit f65b15f7b91f52dba6be7798da4b419f7443771f
Author: Øyvind Kolås <pippin gimp org>
Date: Fri Apr 6 13:14:34 2018 +0200
extensions: add missing 32bit.c
extensions/32bit.c | 227 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 227 insertions(+), 0 deletions(-)
---
diff --git a/extensions/32bit.c b/extensions/32bit.c
new file mode 100644
index 0000000..431b844
--- /dev/null
+++ b/extensions/32bit.c
@@ -0,0 +1,227 @@
+/* babl - dynamically extendable universal pixel conversion library.
+ * Copyright (C) 2018, Øyvind Kolås.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+#include <stdio.h>
+#include <stdint.h>
+
+#include "babl.h"
+
+#include "base/util.h"
+#include "extensions/util.h"
+
+static inline void
+conv_rgbu32_rgbu16 (const Babl *conversion,
+ unsigned char *src,
+ unsigned char *dst,
+ long samples)
+
+
+{
+ uint32_t *src32 = (uint32_t*) src;
+ uint16_t *dst16 = (uint16_t*) dst;
+ long n = samples * 3;
+
+ while (n--)
+ {
+ *dst16++ = (*src32++)>>16;
+ }
+}
+
+static inline void
+conv_rgbu16_rgbu32 (const Babl *conversion,
+ unsigned char *src,
+ unsigned char *dst,
+ long samples)
+
+
+{
+ uint16_t *src16 = (uint16_t*) src;
+ uint32_t *dst32 = (uint32_t*) dst;
+ long n = samples * 3;
+
+ while (n--)
+ {
+ *dst32++ = (*src16++) * 65536.99f;
+ }
+}
+
+
+static inline void
+conv_rgbau32_rgbau16 (const Babl *conversion,
+ unsigned char *src,
+ unsigned char *dst,
+ long samples)
+
+
+{
+ uint32_t *src32 = (uint32_t*) src;
+ uint16_t *dst16 = (uint16_t*) dst;
+ long n = samples * 4;
+
+ while (n--)
+ {
+ *dst16++ = (*src32++)>>16;
+ }
+}
+
+static inline void
+conv_rgbau16_rgbau32 (const Babl *conversion,
+ unsigned char *src,
+ unsigned char *dst,
+ long samples)
+
+
+{
+ uint16_t *src16 = (uint16_t*) src;
+ uint32_t *dst32 = (uint32_t*) dst;
+ long n = samples * 4;
+
+ while (n--)
+ {
+ *dst32++ = (*src16++) * 65536.99f;
+ }
+}
+
+
+static inline void
+conv_rgba32_rgb32 (const Babl *conversion,
+ unsigned char *src,
+ unsigned char *dst,
+ long samples)
+{
+ uint32_t *src32 = (uint32_t*) src;
+ uint32_t *dst32 = (uint32_t*) dst;
+ long n = samples;
+
+ while (n--)
+ {
+ *dst32++ = (*src32++);
+ *dst32++ = (*src32++);
+ *dst32++ = (*src32++);
+ src32++;
+ }
+}
+
+static inline void
+conv_rgb32_rgba32 (const Babl *conversion,unsigned char *src,
+ unsigned char *dst,
+ long samples)
+{
+ uint32_t *src32 = (uint32_t*) src;
+ uint32_t *dst32 = (uint32_t*) dst;
+ long n = samples;
+
+ while (n--)
+ {
+ *dst32++ = (*src32++);
+ *dst32++ = (*src32++);
+ *dst32++ = (*src32++);
+ *dst32++ = 4294967295;
+ }
+}
+
+int init (void);
+
+int
+init (void)
+{
+ babl_conversion_new (
+ babl_format ("R'G'B'A u32"),
+ babl_format ("R'G'B'A u16"),
+ "linear",
+ conv_rgbau32_rgbau16,
+ NULL);
+ babl_conversion_new (
+ babl_format ("R'G'B' u32"),
+ babl_format ("R'G'B' u16"),
+ "linear",
+ conv_rgbu32_rgbu16,
+ NULL);
+ babl_conversion_new (
+ babl_format ("RGB u32"),
+ babl_format ("RGB u16"),
+ "linear",
+ conv_rgbu32_rgbu16,
+ NULL);
+ babl_conversion_new (
+ babl_format ("R'G'B' u16"),
+ babl_format ("R'G'B' u32"),
+ "linear",
+ conv_rgbu16_rgbu32,
+ NULL);
+ babl_conversion_new (
+ babl_format ("RGB u16"),
+ babl_format ("RGB u32"),
+ "linear",
+ conv_rgbu16_rgbu32,
+ NULL);
+
+ babl_conversion_new (
+ babl_format ("RGBA u32"),
+ babl_format ("RGBA u16"),
+ "linear",
+ conv_rgbau32_rgbau16,
+ NULL);
+ babl_conversion_new (
+ babl_format ("RGBA u16"),
+ babl_format ("RGBA u32"),
+ "linear",
+ conv_rgbau16_rgbau32,
+ NULL);
+
+ babl_conversion_new (
+ babl_format ("RaGaBaA u32"),
+ babl_format ("RaGaBaA u16"),
+ "linear",
+ conv_rgbau32_rgbau16,
+ NULL);
+ babl_conversion_new (
+ babl_format ("RaGaBaA u16"),
+ babl_format ("RaGaBaA u32"),
+ "linear",
+ conv_rgbau16_rgbau32,
+ NULL);
+
+ babl_conversion_new (
+ babl_format ("RGBA u32"),
+ babl_format ("RGB u32"),
+ "linear",
+ conv_rgba32_rgb32,
+ NULL);
+ babl_conversion_new (
+ babl_format ("RGB u32"),
+ babl_format ("RGBA u32"),
+ "linear",
+ conv_rgb32_rgba32,
+ NULL);
+ babl_conversion_new (
+ babl_format ("R'G'B'A u32"),
+ babl_format ("R'G'B' u32"),
+ "linear",
+ conv_rgba32_rgb32,
+ NULL);
+ babl_conversion_new (
+ babl_format ("R'G'B' u32"),
+ babl_format ("R'G'B'A u32"),
+ "linear",
+ conv_rgb32_rgba32,
+ NULL);
+
+ return 0;
+}
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