1 files changed, 91 insertions, 0 deletions
diff --git a/server/spice-bitmap-utils.h b/server/spice-bitmap-utils.h
new file mode 100644
index 00000000..38cb88ac
--- /dev/null
+++ b/server/spice-bitmap-utils.h
@@ -0,0 +1,91 @@
+/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/*
+   Copyright (C) 2009-2015 Red Hat, Inc.
+
+   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 2.1 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/>.
+*/
+#ifndef RED_BITMAP_UTILS_H_
+# define RED_BITMAP_UTILS_H_
+
+#include <glib.h>
+#include <stdint.h>
+#include "common/draw.h"
+#include "common/log.h"
+
+typedef enum {
+    BITMAP_GRADUAL_INVALID,
+    BITMAP_GRADUAL_NOT_AVAIL,
+    BITMAP_GRADUAL_LOW,
+    BITMAP_GRADUAL_MEDIUM,
+    BITMAP_GRADUAL_HIGH,
+} BitmapGradualType;
+
+typedef struct {
+    uint8_t b;
+    uint8_t g;
+    uint8_t r;
+    uint8_t pad;
+} rgb32_pixel_t;
+
+G_STATIC_ASSERT(sizeof(rgb32_pixel_t) == 4);
+
+typedef struct {
+    uint8_t b;
+    uint8_t g;
+    uint8_t r;
+} rgb24_pixel_t;
+
+G_STATIC_ASSERT(sizeof(rgb24_pixel_t) == 3);
+
+typedef uint16_t rgb16_pixel_t;
+
+
+static inline int bitmap_fmt_get_bytes_per_pixel(uint8_t fmt)
+{
+    static const int bytes_per_pixel[] = {0, 0, 0, 0, 0, 1, 2, 3, 4, 4, 1};
+
+    spice_return_val_if_fail(fmt < SPICE_N_ELEMENTS(bytes_per_pixel), 0);
+
+    return bytes_per_pixel[fmt];
+}
+
+
+static inline int bitmap_fmt_is_plt(uint8_t fmt)
+{
+    static const int fmt_is_plt[] = {0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0};
+
+    spice_return_val_if_fail(fmt < SPICE_N_ELEMENTS(fmt_is_plt), 0);
+
+    return fmt_is_plt[fmt];
+}
+
+static inline int bitmap_fmt_is_rgb(uint8_t fmt)
+{
+    static const int fmt_is_rgb[] = {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1};
+
+    spice_return_val_if_fail(fmt < SPICE_N_ELEMENTS(fmt_is_rgb), 0);
+
+    return fmt_is_rgb[fmt];
+}
+
+static inline int bitmap_fmt_has_graduality(uint8_t fmt)
+{
+    return bitmap_fmt_is_rgb(fmt) && fmt != SPICE_BITMAP_FMT_8BIT_A;
+}
+
+
+BitmapGradualType bitmap_get_graduality_level     (SpiceBitmap *bitmap);
+int               bitmap_has_extra_stride         (SpiceBitmap *bitmap);
+
+#endif /* RED_BITMAP_UTILS_H_ */