to Factorise pixel rendering
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
---
include/graphic_utils.h | 14 ++++++++
lib/Makefile | 2 +-
lib/bmp.c | 25 ++-----------
lib/graphic_utils.c | 89 +++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 107 insertions(+), 23 deletions(-)
create mode 100644 include/graphic_utils.h
create mode 100644 lib/graphic_utils.c
diff --git a/include/graphic_utils.h b/include/graphic_utils.h
new file mode 100644
index 0000000..4e5596f
--- /dev/null
+++ b/include/graphic_utils.h
@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
+ *
+ * GPL v2
+ */
+
+#ifndef __GRAPHIC_UTILS_H__
+#define __GRAPHIC_UTILS_H__
+
+void set_pixel(struct fb_info *info, void *adr, u32 px);
+void set_rgb_pixel(struct fb_info *info, void *adr, u8 r, u8 g, u8 b);
+void memset_pixel(struct fb_info *info, void* buf, u32 color, size_t size);
+
+#endif /* __GRAPHIC_UTILS_H__ */
diff --git a/lib/Makefile b/lib/Makefile
index df4b5e5..997ba10 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -34,4 +34,4 @@ obj-$(CONFIG_UNCOMPRESS) += uncompress.o
obj-$(CONFIG_BCH) += bch.o
obj-$(CONFIG_BITREV) += bitrev.o
obj-$(CONFIG_QSORT) += qsort.o
-obj-$(CONFIG_BMP) += bmp.o
+obj-$(CONFIG_BMP) += bmp.o graphic_utils.o
diff --git a/lib/bmp.c b/lib/bmp.c
index 776d3b3..ece03e3 100644
--- a/lib/bmp.c
+++ b/lib/bmp.c
@@ -5,26 +5,7 @@
#include <fb.h>
#include <bmp_layout.h>
#include <asm/byteorder.h>
-
-static inline void set_pixel(struct fb_info *info, void *adr, int r, int g, int b)
-{
- u32 px;
-
- px = (r >> (8 - info->red.length)) << info->red.offset |
- (g >> (8 - info->green.length)) << info->green.offset |
- (b >> (8 - info->blue.length)) << info->blue.offset;
-
- switch (info->bits_per_pixel) {
- case 8:
- break;
- case 16:
- *(u16 *)adr = px;
- break;
- case 32:
- *(u32 *)adr = px;
- break;
- }
-}
+#include <graphic_utils.h>
int bmp_render_file(struct fb_info *info, const char* bmpfile, void* fb,
int startx, int starty, int xres, int yres, void* offscreenbuf)
@@ -88,7 +69,7 @@ int bmp_render_file(struct fb_info *info, const char* bmpfile, void* fb,
pixel = *image;
- set_pixel(info, adr, color_table[pixel].red,
+ set_rgb_pixel(info, adr, color_table[pixel].red,
color_table[pixel].green,
color_table[pixel].blue);
adr += info->bits_per_pixel >> 3;
@@ -110,7 +91,7 @@ int bmp_render_file(struct fb_info *info, const char* bmpfile, void* fb,
pixel = image;
- set_pixel(info, adr, pixel[2], pixel[1],
+ set_rgb_pixel(info, adr, pixel[2], pixel[1],
pixel[0]);
adr += info->bits_per_pixel >> 3;
diff --git a/lib/graphic_utils.c b/lib/graphic_utils.c
new file mode 100644
index 0000000..672992c
--- /dev/null
+++ b/lib/graphic_utils.c
@@ -0,0 +1,89 @@
+#include <common.h>
+#include <fb.h>
+#include <graphic_utils.h>
+
+static u32 get_pixel(struct fb_info *info, u32 color)
+{
+ u32 px;
+ u8 t = (color >> 24) & 0xff;
+ u8 r = (color >> 16) & 0xff;
+ u8 g = (color >> 8 ) & 0xff;
+ u8 b = (color >> 0 ) & 0xff;
+
+ if (info->grayscale) {
+ px = (r | g | b) ? 0xffffffff : 0x0;
+ return px;
+ }
+
+ px = (t >> (8 - info->transp.length)) << info->transp.offset |
+ (r >> (8 - info->red.length)) << info->red.offset |
+ (g >> (8 - info->green.length)) << info->green.offset |
+ (b >> (8 - info->blue.length)) << info->blue.offset;
+
+ return px;
+}
+
+static void memsetw(void *s, u16 c, size_t n)
+{
+ size_t i;
+ u16* tmp = s;
+
+ for (i = 0; i < n; i++)
+ *tmp++ = c;
+}
+
+static void memsetl(void *s, u32 c, size_t n)
+{
+ size_t i;
+ u32* tmp = s;
+
+ for (i = 0; i < n; i++)
+ *tmp++ = c;
+}
+
+void memset_pixel(struct fb_info *info, void* buf, u32 color, size_t size)
+{
+ u32 px;
+ u8 *screen = buf;
+
+ px = get_pixel(info, color);
+
+ switch (info->bits_per_pixel) {
+ case 8:
+ memset(screen, (uint8_t)px, size);
+ break;
+ case 16:
+ memsetw(screen, (uint16_t)px, size);
+ break;
+ case 32:
+ case 24:
+ memsetl(screen, px, size);
+ break;
+ }
+}
+
+void set_pixel(struct fb_info *info, void *adr, u32 px)
+{
+ switch (info->bits_per_pixel) {
+ case 8:
+ break;
+ case 16:
+ *(u16 *)adr = px;
+ break;
+ case 32:
+ *(u32 *)adr = px;
+ break;
+ }
+}
+
+void set_rgb_pixel(struct fb_info *info, void *adr, u8 r, u8 g, u8 b)
+{
+ u32 px;
+
+ px = (r >> (8 - info->red.length)) << info->red.offset |
+ (g >> (8 - info->green.length)) << info->green.offset |
+ (b >> (8 - info->blue.length)) << info->blue.offset;
+
+ set_pixel(info, adr, px);
+}
+
--
1.7.10.4
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