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[Qemu-devel] [PATCH] Fix vga_screen_dump_blank() PPM generation
From: |
Eduardo Habkost |
Subject: |
[Qemu-devel] [PATCH] Fix vga_screen_dump_blank() PPM generation |
Date: |
Mon, 25 May 2009 18:20:05 -0300 |
vga_screen_dump_blank() was not generating a valid PPM file: the width of the
image made no sense (why it was multiplied by sizeof(uint32_t)?), and there was
only one sample per pixel, instead of three.
Signed-off-by: Eduardo Habkost <address@hidden>
---
hw/vga.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/hw/vga.c b/hw/vga.c
index 013ff10..18afa2a 100644
--- a/hw/vga.c
+++ b/hw/vga.c
@@ -2584,8 +2584,9 @@ static void vga_screen_dump_blank(VGAState *s, const char
*filename)
{
FILE *f;
unsigned int y, x, w, h;
+ unsigned char blank_sample[3] = { 0, 0, 0 };
- w = s->last_scr_width * sizeof(uint32_t);
+ w = s->last_scr_width;
h = s->last_scr_height;
f = fopen(filename, "wb");
@@ -2594,7 +2595,7 @@ static void vga_screen_dump_blank(VGAState *s, const char
*filename)
fprintf(f, "P6\n%d %d\n%d\n", w, h, 255);
for (y = 0; y < h; y++) {
for (x = 0; x < w; x++) {
- fputc(0, f);
+ fwrite(blank_sample, 3, 1, f);
}
}
fclose(f);
--
1.6.3.rc4.29.g8146
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