Added missing source file
This commit is contained in:
parent
64f6472370
commit
47e1c9cd7b
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netmapr: netmapr.c constants.h netmapr.h savepng.c savepng.h Makefile
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gcc -I/opt/local/include -Wall -O2 -g netmapr.c savepng.c -o netmapr `sdl-config --libs --cflags` -L/usr/X11R6/lib -lpng -lX11 -lpthread -lXext -lSDL_ttf
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ln -f netmapr netmapr-viewer
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install: netmapr
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install -C -o root -m 755 netmapr /usr/local/bin/netmapr
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ln -f /usr/local/bin/netmapr /usr/local/bin/netmapr-viewer
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install -C -o root -m 644 buttons.dat /usr/local/share/netmapr/buttons.dat
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install -C -o root -m 644 objects.dat /usr/local/share/netmapr/objects.dat
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install -C -o root -m 644 verdana.ttf /usr/local/share/netmapr/verdana.ttf
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install -C -o root -m 644 icon.bmp /usr/local/share/netmapr/icon.bmp
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clean: netmapr convert netmapr-viewer
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rm -f netmapr convert netmapr-viewer
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win: netmapr.c constants.h netmapr.h savepng.c savepng.h Makefile
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/usr/local/i386-mingw32-4.3.0/bin/i386-mingw32-gcc -mno-cygwin -Wall -DWINDOWS -o netmapr.exe -I /usr/local/i386-mingw32-4.3.0/include -I /opt/local/include -I /usr/local/i386-mingw32-4.3.0/include/SDL netmapr.c savepng.c -D_THREAD_SAFE -L/usr/local/i386-mingw32-4.3.0/lib -Ldlls -lmingw32 -lSDLmain -lSDL -mwindows -lSDL_ttf -lmingw32 -lpng12-0
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@ -0,0 +1,281 @@
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/*
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Based on zlib license - see http://www.gzip.org/zlib/zlib_license.html
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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"Philip D. Bober" <wildfire1138@mchsi.com>
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*/
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#include <stdlib.h>
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#include <SDL.h>
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#include <SDL_byteorder.h>
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#include <png.h>
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#include "savepng.h"
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int SavePNG(const char *file, SDL_Surface *surf,int compression){
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SDL_RWops *fp;
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int ret;
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fp=SDL_RWFromFile(file,"wb");
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if( fp == NULL ) {
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return (-1);
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}
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ret=SavePNG_RW(fp,surf,compression);
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SDL_RWclose(fp);
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return ret;
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}
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static void png_write_data(png_structp png_ptr,png_bytep data, png_size_t length){
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SDL_RWops *rp = (SDL_RWops*) png_get_io_ptr(png_ptr);
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SDL_RWwrite(rp,data,1,length);
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}
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int SavePNG_RW(SDL_RWops *src, SDL_Surface *surf,int compression){
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png_structp png_ptr;
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png_infop info_ptr;
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SDL_PixelFormat *fmt=NULL;
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SDL_Surface *tempsurf=NULL;
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int ret,funky_format,used_alpha;
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unsigned int i,temp_alpha;
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png_colorp palette;
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Uint8 *palette_alpha=NULL;
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png_byte **row_pointers=NULL;
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png_ptr=NULL;info_ptr=NULL;palette=NULL;ret=-1;
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funky_format=0;
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if( !src || !surf) {
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goto savedone; /* Nothing to do. */
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}
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row_pointers=(png_byte **)malloc(surf->h * sizeof(png_byte*));
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if (!row_pointers) {
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SDL_SetError("Couldn't allocate memory for rowpointers");
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goto savedone;
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}
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png_ptr=png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL,NULL,NULL);
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if (!png_ptr){
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SDL_SetError("Couldn't allocate memory for PNG file");
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goto savedone;
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}
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info_ptr= png_create_info_struct(png_ptr);
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if (!info_ptr){
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SDL_SetError("Couldn't allocate image information for PNG file");
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goto savedone;
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}
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/* setup custom writer functions */
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png_set_write_fn(png_ptr,(voidp)src,png_write_data,NULL);
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/*
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oooooo
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if (setjmp(png_jmpbuf(png_ptr))){
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SDL_SetError("Unknown error writing PNG");
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goto savedone;
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}
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*/
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if(compression>Z_BEST_COMPRESSION)
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compression=Z_BEST_COMPRESSION;
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if(compression == Z_NO_COMPRESSION) // No compression
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{
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png_set_filter(png_ptr,0,PNG_FILTER_NONE);
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png_set_compression_level(png_ptr,Z_NO_COMPRESSION);
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}
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else if(compression<0) // Default compression
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png_set_compression_level(png_ptr,Z_DEFAULT_COMPRESSION);
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else
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png_set_compression_level(png_ptr,compression);
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fmt=surf->format;
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if(fmt->BitsPerPixel==8){ /* Paletted */
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png_set_IHDR(png_ptr,info_ptr,
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surf->w,surf->h,8,PNG_COLOR_TYPE_PALETTE,
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PNG_INTERLACE_NONE,PNG_COMPRESSION_TYPE_DEFAULT,
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PNG_FILTER_TYPE_DEFAULT);
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palette=(png_colorp) malloc(fmt->palette->ncolors * sizeof(png_color));
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if (!palette) {
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SDL_SetError("Couldn't create memory for palette");
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goto savedone;
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}
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for (i=0;i<fmt->palette->ncolors;i++) {
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palette[i].red=fmt->palette->colors[i].r;
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palette[i].green=fmt->palette->colors[i].g;
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palette[i].blue=fmt->palette->colors[i].b;
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}
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png_set_PLTE(png_ptr,info_ptr,palette,fmt->palette->ncolors);
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if (surf->flags&SDL_SRCCOLORKEY) {
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palette_alpha=(Uint8 *)malloc((fmt->colorkey+1)*sizeof(Uint8));
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if (!palette_alpha) {
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SDL_SetError("Couldn't create memory for palette transparency");
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goto savedone;
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}
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/* FIXME: memset? */
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for (i=0;i<(fmt->colorkey+1);i++) {
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palette_alpha[i]=255;
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}
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palette_alpha[fmt->colorkey]=0;
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png_set_tRNS(png_ptr,info_ptr,palette_alpha,fmt->colorkey+1,NULL);
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}
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}else{ /* Truecolor */
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if (fmt->Amask) {
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png_set_IHDR(png_ptr,info_ptr,
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surf->w,surf->h,8,PNG_COLOR_TYPE_RGB_ALPHA,
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PNG_INTERLACE_NONE,PNG_COMPRESSION_TYPE_DEFAULT,
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PNG_FILTER_TYPE_DEFAULT);
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} else {
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png_set_IHDR(png_ptr,info_ptr,
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surf->w,surf->h,8,PNG_COLOR_TYPE_RGB,
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PNG_INTERLACE_NONE,PNG_COMPRESSION_TYPE_DEFAULT,
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PNG_FILTER_TYPE_DEFAULT);
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}
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}
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png_write_info(png_ptr, info_ptr);
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if (fmt->BitsPerPixel==8) { /* Paletted */
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for(i=0;i<surf->h;i++){
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row_pointers[i]= ((png_byte*)surf->pixels) + i*surf->pitch;
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}
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if(SDL_MUSTLOCK(surf)){
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SDL_LockSurface(surf);
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}
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png_write_image(png_ptr, row_pointers);
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if(SDL_MUSTLOCK(surf)){
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SDL_UnlockSurface(surf);
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}
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}else{ /* Truecolor */
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if(fmt->BytesPerPixel==3){
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if(fmt->Amask){ /* check for 24 bit with alpha */
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funky_format=1;
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}else{
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/* Check for RGB/BGR/GBR/RBG/etc surfaces.*/
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#if SDL_BYTEORDER == SDL_BIG_ENDIAN
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if(fmt->Rmask!=0xFF0000
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|| fmt->Gmask!=0x00FF00
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|| fmt->Bmask!=0x0000FF){
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#else
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if(fmt->Rmask!=0x0000FF
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|| fmt->Gmask!=0x00FF00
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|| fmt->Bmask!=0xFF0000){
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#endif
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funky_format=1;
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}
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}
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}else if (fmt->BytesPerPixel==4){
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if (!fmt->Amask) { /* check for 32bit but no alpha */
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funky_format=1;
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}else{
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/* Check for ARGB/ABGR/GBAR/RABG/etc surfaces.*/
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#if SDL_BYTEORDER == SDL_BIG_ENDIAN
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if(fmt->Rmask!=0xFF000000
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|| fmt->Gmask!=0x00FF0000
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|| fmt->Bmask!=0x0000FF00
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|| fmt->Amask!=0x000000FF){
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#else
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if(fmt->Rmask!=0x000000FF
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|| fmt->Gmask!=0x0000FF00
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|| fmt->Bmask!=0x00FF0000
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|| fmt->Amask!=0xFF000000){
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#endif
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funky_format=1;
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}
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}
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}else{ /* 555 or 565 16 bit color */
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funky_format=1;
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}
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if (funky_format) {
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/* Allocate non-funky format, and copy pixeldata in*/
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if(fmt->Amask){
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#if SDL_BYTEORDER == SDL_BIG_ENDIAN
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tempsurf = SDL_CreateRGBSurface(SDL_SWSURFACE, surf->w, surf->h, 24,
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0xff000000, 0x00ff0000, 0x0000ff00, 0x000000ff);
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#else
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tempsurf = SDL_CreateRGBSurface(SDL_SWSURFACE, surf->w, surf->h, 24,
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0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000);
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#endif
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}else{
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#if SDL_BYTEORDER == SDL_BIG_ENDIAN
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tempsurf = SDL_CreateRGBSurface(SDL_SWSURFACE, surf->w, surf->h, 24,
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0xff0000, 0x00ff00, 0x0000ff, 0x00000000);
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#else
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tempsurf = SDL_CreateRGBSurface(SDL_SWSURFACE, surf->w, surf->h, 24,
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0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000);
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#endif
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}
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if(!tempsurf){
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SDL_SetError("Couldn't allocate temp surface");
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goto savedone;
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}
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if(surf->flags&SDL_SRCALPHA){
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temp_alpha=fmt->alpha;
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used_alpha=1;
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SDL_SetAlpha(surf,0,255); /* Set for an opaque blit */
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}else{
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used_alpha=0;
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}
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if(SDL_BlitSurface(surf,NULL,tempsurf,NULL)!=0){
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SDL_SetError("Couldn't blit surface to temp surface");
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SDL_FreeSurface(tempsurf);
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goto savedone;
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}
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if (used_alpha) {
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SDL_SetAlpha(surf,SDL_SRCALPHA,(Uint8)temp_alpha); /* Restore alpha settings*/
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}
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for(i=0;i<tempsurf->h;i++){
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row_pointers[i]= ((png_byte*)tempsurf->pixels) + i*tempsurf->pitch;
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}
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if(SDL_MUSTLOCK(tempsurf)){
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SDL_LockSurface(tempsurf);
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}
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png_write_image(png_ptr, row_pointers);
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if(SDL_MUSTLOCK(tempsurf)){
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SDL_UnlockSurface(tempsurf);
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}
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SDL_FreeSurface(tempsurf);
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} else {
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for(i=0;i<surf->h;i++){
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row_pointers[i]= ((png_byte*)surf->pixels) + i*surf->pitch;
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}
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if(SDL_MUSTLOCK(surf)){
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SDL_LockSurface(surf);
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}
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png_write_image(png_ptr, row_pointers);
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if(SDL_MUSTLOCK(surf)){
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SDL_UnlockSurface(surf);
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}
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}
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}
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png_write_end(png_ptr, NULL);
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ret=0; /* got here, so nothing went wrong. YAY! */
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savedone: /* clean up and return */
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png_destroy_write_struct(&png_ptr,&info_ptr);
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if (palette) {
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free(palette);
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}
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if (palette_alpha) {
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free(palette_alpha);
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}
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if (row_pointers) {
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free(row_pointers);
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}
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return ret;
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}
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@ -0,0 +1,54 @@
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/*
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Based on zlib license - see http://www.gzip.org/zlib/zlib_license.html
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
|
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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"Philip D. Bober" <wildfire1138@mchsi.com>
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*/
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#ifndef __IMG_SAVETOPNG_H__
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#define __IMG_SAVETOPNG_H__
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/* #include <SDL/begin_code.h> */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define IMG_COMPRESS_OFF 0
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#define IMG_COMPRESS_MAX 9
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#define IMG_COMPRESS_DEFAULT -1
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/**
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* Takes a filename, a surface to save, and a compression level. The
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* compression level can be 0(min) through 9(max), or -1(default).
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*/
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DECLSPEC int SDLCALL SavePNG(const char *file,
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SDL_Surface *surf,
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int compression);
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/**
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* Takes a SDL_RWops pointer, a surface to save, and a compression level.
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* compression can be 0(min) through 9(max), or -1(default).
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*/
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DECLSPEC int SDLCALL SavePNG_RW(SDL_RWops *src,
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SDL_Surface *surf,
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int compression);
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#ifdef __cplusplus
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}
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#endif
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#endif/*__IMG_SAVETOPNG_H__*/
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