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thought I would accelerate taking a screen shot, but it turned out I slowed it down, but I have yet to test this on Haiku somehow. The new code is commented out

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15776 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stephan Aßmus 2006-01-02 00:58:37 +00:00
parent deb238df7d
commit e644f39677
1 changed files with 28 additions and 5 deletions
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33
src/servers/app/PNGDump.cpp
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@ -4,21 +4,25 @@
*
* Authors:
* DarkWyrm <bpmagic@columbus.rr.com>
* Stephan Aßmus <superstippi@gmx.de>
*/
/** Function for saving a generic framebuffer to a PNG file */
#include "PNGDump.h"
#include <Rect.h>
#include <png.h>
#include <new>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <png.h>
#include <Rect.h>
#include <OS.h>
#include "frame_buffer_support.h"
#define TRACE_PNGDUMP
#ifdef TRACE_PNGDUMP
@ -27,11 +31,13 @@
# define TRACE(x) ;
#endif
using std::nothrow;
status_t
SaveToPNG(const char* filename, const BRect& bounds, color_space space,
const void* bits, int32 bitsLength, int32 bytesPerRow)
{
bigtime_t now = system_time();
int32 width = bounds.IntegerWidth() + 1;
int32 height = bounds.IntegerHeight() + 1;
@ -68,6 +74,7 @@ SaveToPNG(const char* filename, const BRect& bounds, color_space space,
png_init_io(png, file);
png_set_bgr(png);
// TODO: Don't assume B_BGRA32!
png_set_IHDR(png, info, width, height, 8, PNG_COLOR_TYPE_RGB_ALPHA,
PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT,
PNG_FILTER_TYPE_DEFAULT);
@ -75,6 +82,7 @@ SaveToPNG(const char* filename, const BRect& bounds, color_space space,
png_write_info(png, info);
#if 1
png_byte* rowPointers[height];
png_byte* index = (png_byte*)bits;
for (int32 i = 0; i < height; i++) {
@ -83,9 +91,24 @@ SaveToPNG(const char* filename, const BRect& bounds, color_space space,
}
png_write_image(png, rowPointers);
png_write_end(png, info);
#else
png_byte* index = (png_byte*)bits;
int32 visibleBytes = width * 4;
png_byte tempRow[visibleBytes];
for (int32 i = 0; i < height; i++) {
gfxcpy32(tempRow, index, visibleBytes);
png_write_row(png, tempRow);
index += bytesPerRow;
}
#endif
png_write_end(png, info);
png_destroy_write_struct(&png, NULL);
fclose(file);
printf("PNG Dump: %lld\n", system_time() - now);
return B_OK;
}