Fixed PNG width.
This commit is contained in:
n-a-c-h
@@ -1,230 +1,232 @@
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#include "zpng.h"
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#include "zpng.h"
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#ifdef __WIN32__
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#include <windows.h>
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#ifdef __WIN32__
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#include <sys/stat.h>
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#include <windows.h>
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#include <sys/stat.h>
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#ifdef __WIN32DBG__
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#include <crtdbg.h>
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#ifdef __WIN32DBG__
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#endif
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#include <crtdbg.h>
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#endif
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#endif
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#endif
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#ifdef __MSDOS__
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#include <sys/types.h>
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#ifdef __MSDOS__
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <stdlib.h>
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#include <unistd.h>
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#endif
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#include <stdlib.h>
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#endif
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#ifdef __LINUX__
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#include "../gblhdr.h"
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#ifdef __LINUX__
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#endif
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#include "../gblhdr.h"
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#endif
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extern unsigned int vidbuffer;
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extern unsigned int vidbuffer;
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#ifdef __PNG__
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#ifdef __PNG__
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int Png_Dump(const char * filename, unsigned short width, unsigned short height, unsigned char * image_data, bool usebgr)
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{
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int Png_Dump(const char * filename, unsigned short width, unsigned short height, unsigned char * image_data, bool usebgr)
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png_structp png_ptr;
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{
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png_infop info_ptr;
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png_structp png_ptr;
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png_bytep * row_pointers;
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png_infop info_ptr;
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/*Set scanline width for 32-bit color data*/
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png_bytep * row_pointers;
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int scanline=width*4;
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/*Set scanline width for 32-bit color data*/
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int i; /*counter.*/
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int scanline=width*4;
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int png_transforms=0;
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int i; /*counter.*/
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png_color fake_pal;
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int png_transforms=0;
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/*Try to open the file.*/
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png_color fake_pal;
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FILE *fp = fopen(filename, "wb");
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/*Try to open the file.*/
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if (!fp)
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FILE *fp = fopen(filename, "wb");
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{
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if (!fp)
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return (-1);
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{
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}
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return (-1);
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}
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fake_pal.red = 0;
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fake_pal.green = 0;
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fake_pal.red = 0;
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fake_pal.blue = 0;
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fake_pal.green = 0;
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/*Try to create png write struct, fail if we cannot.*/
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fake_pal.blue = 0;
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png_ptr = png_create_write_struct
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/*Try to create png write struct, fail if we cannot.*/
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(PNG_LIBPNG_VER_STRING, NULL,/*(png_voidp)user_error_ptr,
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png_ptr = png_create_write_struct
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user_error_fn*/NULL, NULL/*user_warning_fn*/);
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(PNG_LIBPNG_VER_STRING, NULL,/*(png_voidp)user_error_ptr,
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if (!png_ptr)
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user_error_fn*/NULL, NULL/*user_warning_fn*/);
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return (-1);
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if (!png_ptr)
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return (-1);
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/*set png I/O source.*/
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png_init_io(png_ptr, fp);
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/*set png I/O source.*/
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png_init_io(png_ptr, fp);
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/* set the zlib compression level */
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png_set_compression_level(png_ptr,
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/* set the zlib compression level */
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Z_BEST_COMPRESSION);
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png_set_compression_level(png_ptr,
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Z_BEST_COMPRESSION);
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/* set other zlib parameters */
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png_set_compression_mem_level(png_ptr, 8);
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/* set other zlib parameters */
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png_set_compression_strategy(png_ptr,
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png_set_compression_mem_level(png_ptr, 8);
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Z_DEFAULT_STRATEGY);
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png_set_compression_strategy(png_ptr,
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png_set_compression_window_bits(png_ptr, 15);
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Z_DEFAULT_STRATEGY);
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png_set_compression_method(png_ptr, 8);
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png_set_compression_window_bits(png_ptr, 15);
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png_set_compression_buffer_size(png_ptr, 8192);
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png_set_compression_method(png_ptr, 8);
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png_set_compression_buffer_size(png_ptr, 8192);
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/*try to create info struct. Fail and delete existing structs if info struct cannot be created.*/
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info_ptr = png_create_info_struct(png_ptr);
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/*try to create info struct. Fail and delete existing structs if info struct cannot be created.*/
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if (!info_ptr)
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info_ptr = png_create_info_struct(png_ptr);
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{
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if (!info_ptr)
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png_destroy_write_struct(&png_ptr,
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{
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(png_infopp)NULL);
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png_destroy_write_struct(&png_ptr,
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return (-1);
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(png_infopp)NULL);
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}
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return (-1);
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}
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/*set a lot of image info (code adapted from libpng documentation!)*/
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png_set_IHDR(png_ptr, info_ptr, width, height,
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/*set a lot of image info (code adapted from libpng documentation!)*/
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8, PNG_COLOR_TYPE_RGB_ALPHA, PNG_INTERLACE_NONE,
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png_set_IHDR(png_ptr, info_ptr, width, height,
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PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
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8, PNG_COLOR_TYPE_RGB_ALPHA, PNG_INTERLACE_NONE,
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PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
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info_ptr->color_type=PNG_COLOR_TYPE_RGB_ALPHA;
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info_ptr->color_type=PNG_COLOR_TYPE_RGB_ALPHA;
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/*Allocate an array of scanline pointers*/
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row_pointers=(png_bytep*)malloc(height*sizeof(png_bytep));
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/*Allocate an array of scanline pointers*/
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for (i=0;i<height;i++)
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row_pointers=(png_bytep*)malloc(height*sizeof(png_bytep));
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{
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for (i=0;i<height;i++)
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#ifdef __UPSIDE_DOWN__
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{
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/*invert to normal image format.*/
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#ifdef __UPSIDE_DOWN__
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row_pointers[i]=&image_data[scanline*(height-i-1)];
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/*invert to normal image format.*/
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#else
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row_pointers[i]=&image_data[scanline*(height-i-1)];
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row_pointers[i]=&image_data[scanline*i];
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#else
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#endif
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row_pointers[i]=&image_data[scanline*i];
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}
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#endif
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}
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/*tell the png library what to encode.*/
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png_set_rows(png_ptr, info_ptr, row_pointers);
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/*tell the png library what to encode.*/
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png_set_rows(png_ptr, info_ptr, row_pointers);
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if(usebgr)
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png_transforms|=PNG_TRANSFORM_BGR;
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if(usebgr)
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/*Write image to file*/
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png_transforms|=PNG_TRANSFORM_BGR;
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png_write_png(png_ptr, info_ptr, png_transforms, NULL);
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/*Write image to file*/
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png_write_png(png_ptr, info_ptr, png_transforms, NULL);
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/*close file*/
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fclose(fp);
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/*close file*/
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fclose(fp);
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/*Destroy PNG structs*/
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png_destroy_write_struct(&png_ptr, &info_ptr);
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/*Destroy PNG structs*/
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png_destroy_write_struct(&png_ptr, &info_ptr);
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/*clean up dynamically allocated RAM.*/
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free(row_pointers);
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/*clean up dynamically allocated RAM.*/
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free(row_pointers);
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#ifdef __WIN32DBG__
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_CrtDumpMemoryLeaks();
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#ifdef __WIN32DBG__
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#endif
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_CrtDumpMemoryLeaks();
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return 0;
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#endif
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}
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return 0;
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}
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char *generate_filename(void)
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{
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char *generate_filename(void)
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extern char fnames;
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{
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char *filename;
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extern char fnames;
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char *tmp = &fnames;
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char *filename;
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char *tmp2 = 0;
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char *tmp = &fnames;
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short i=0;
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char *tmp2 = 0;
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struct stat buf;
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short i=0;
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struct stat buf;
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#ifdef __MSDOS__
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filename = (char *)malloc(14);
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#ifdef __MSDOS__
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for(i=0;i<10000;i++)
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filename = (char *)malloc(14);
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{
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for(i=0;i<10000;i++)
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if(i>1000)
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{
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sprintf(filename, "Image%03d.png", i);
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if(i>1000)
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else sprintf(filename, "Imag%04d.png", i);
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sprintf(filename, "Image%03d.png", i);
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if(stat(filename, &buf)==-1)
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else sprintf(filename, "Imag%04d.png", i);
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break;
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if(stat(filename, &buf)==-1)
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}
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break;
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return filename;
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}
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#endif
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return filename;
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#endif
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tmp++; // the first char is the string length
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// removes the path if there is one
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tmp++; // the first char is the string length
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while (*tmp!=0) tmp++;
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// removes the path if there is one
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while ((*tmp!='/') && (tmp!=&fnames)) tmp--;
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while (*tmp!=0) tmp++;
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tmp++;
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while ((*tmp!='/') && (tmp!=&fnames)) tmp--;
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// allocates enough memory to store the filename
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tmp++;
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filename = (char *)malloc(strlen(tmp)+10);
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// allocates enough memory to store the filename
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strcpy(filename, tmp);
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filename = (char *)malloc(strlen(tmp)+10);
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strcpy(filename, tmp);
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tmp = filename+strlen(filename);
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while (*tmp!='.') tmp--;
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tmp = filename+strlen(filename);
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while (*tmp!='.') tmp--;
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#ifdef __LINUX__
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tmp2 = filename;
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#ifdef __LINUX__
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while (tmp2<tmp) {
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tmp2 = filename;
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if (*tmp2 == ' ') *tmp2 = '_';
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while (tmp2<tmp) {
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tmp2++;
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if (*tmp2 == ' ') *tmp2 = '_';
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}
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tmp2++;
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#endif
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}
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#endif
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/*find first unused file*/
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/*find first unused file*/
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/*Note: this results in a 9999 image limit!*/
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/*Note: this results in a 9999 image limit!*/
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for(i=0;i<10000;i++)
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{
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for(i=0;i<10000;i++)
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#ifdef __LINUX__
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{
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sprintf(tmp, "_%04d.png\0", i);
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#ifdef __LINUX__
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#else
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sprintf(tmp, "_%04d.png\0", i);
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sprintf(tmp, " %04d.png\0", i);
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#else
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#endif
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sprintf(tmp, " %04d.png\0", i);
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if(stat(filename, &buf)==-1)
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#endif
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break;
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if(stat(filename, &buf)==-1)
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}
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break;
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}
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return filename;
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}
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return filename;
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}
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void Grab_PNG_Data(void)
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{
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#define SNAP_WIDTH 223
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char *filename;
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void Grab_PNG_Data(void)
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bool is_bgr_data=true;
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{
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char *filename;
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/*These are the variables used to perform the 32-bit conversion*/
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bool is_bgr_data=true;
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int i,j;
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unsigned short* pixel;
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/*These are the variables used to perform the 32-bit conversion*/
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unsigned short conv_pixel;
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int i,j;
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/*Set scanline width for 32-bit color data: 4*256 = 1024*/
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unsigned short* pixel;
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int scanline=1024;
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unsigned short conv_pixel;
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unsigned char *DIBits;
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/*Set scanline width for 32-bit color data: 4*256 = 1024*/
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unsigned int * DBits;
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int scanline=1024;
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unsigned char *DIBits;
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filename = generate_filename();
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unsigned int * DBits;
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/*Allocate image buffer for DIB data*/
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filename = generate_filename();
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DIBits=(unsigned char*)malloc(scanline*224);
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/*Allocate image buffer for DIB data*/
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/*Cast pointer to 32-bit data type*/
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DIBits=(unsigned char*)malloc(scanline*SNAP_WIDTH);
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DBits=(unsigned int*) DIBits;
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/*Cast pointer to 32-bit data type*/
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/*Use zsKnight's 16 to 32 bit color conversion*/
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DBits=(unsigned int*) DIBits;
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pixel=(unsigned short*)(vidbuffer);
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for(i=0;i<224;i++)
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/*Use zsKnight's 16 to 32 bit color conversion*/
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{
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pixel=(unsigned short*)(vidbuffer);
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for(j=0;j<256;j++)
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for(i=0;i<SNAP_WIDTH;i++)
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{
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{
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for(j=0;j<256;j++)
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conv_pixel=pixel[(i*288)+j+16];
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{
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DBits[i*256+j]=((conv_pixel&0xF800)<<8)|
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((conv_pixel&0x07E0)<<5)|
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conv_pixel=pixel[(i*288)+j+16];
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((conv_pixel&0x001F)<<3)|0xFF000000;
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DBits[i*256+j]=((conv_pixel&0xF800)<<8)|
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}
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((conv_pixel&0x07E0)<<5)|
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}
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((conv_pixel&0x001F)<<3)|0xFF000000;
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}
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/*compress and write the PNG*/
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}
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Png_Dump(filename, 256, 224, DIBits, is_bgr_data);
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/*compress and write the PNG*/
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free(DIBits);
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Png_Dump(filename, 256, SNAP_WIDTH, DIBits, is_bgr_data);
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free(filename);
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free(DIBits);
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#ifdef __WIN32DBG__
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free(filename);
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_CrtDumpMemoryLeaks();
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#endif
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#ifdef __WIN32DBG__
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_CrtDumpMemoryLeaks();
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}
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#endif
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#endif
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}
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#endif
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Reference in New Issue
Block a user