valter/dosbox-staging
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Set certain render types to use shadow surfaces

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Add some more support for screenshot messages and fix a bug with pngl structures getting allocated before testing if screenshot file can be made.


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@779
This commit is contained in:
Sjoerd van der Berg 2003-03-19 22:41:30 +00:00
parent 860af6c52f
commit e60ffa00e4
1 changed files with 30 additions and 19 deletions
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49
src/gui/render.cpp
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@ -96,7 +96,6 @@ static void RENDER_ResetPal(void);
#if (C_SSHOT)
#include <png.h>
/* Take a screenshot of the data that should be rendered */
static void TakeScreenShot(Bit8u * bitmap) {
Bitu last=0;char file_name[CROSS_LEN];
@ -107,18 +106,10 @@ static void TakeScreenShot(Bit8u * bitmap) {
png_color palette[256];
Bitu i;
/* First try to alloacte the png structures */
png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL,NULL, NULL);
if (!png_ptr) return;
info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr) {
png_destroy_write_struct(&png_ptr,(png_infopp)NULL);
return;
}
/* Find a filename to open */
dir=opendir(render.shot.dir);
if (!dir) {
LOG_MSG("Can't open snapshot dir %s",render.shot.dir);
LOG_MSG("Can't open snapshot directory %s",render.shot.dir);
return;
}
while (dir_ent=readdir(dir)) {
@ -133,14 +124,24 @@ static void TakeScreenShot(Bit8u * bitmap) {
if (num>=last) last=num+1;
}
closedir(dir);
sprintf(file_name,"%s%csnap%05d.png",render.shot.dir,CROSS_FILESPLIT,last);
/* Open the actual file */
sprintf(file_name,"%s%csnap%04d.png",render.shot.dir,CROSS_FILESPLIT,last);
/* Open the actual file */
FILE * fp=fopen(file_name,"wb");
if (!fp) {
LOG_MSG("Can't open snapshot file %s",file_name);
LOG_MSG("Can't open file %s for snapshot",file_name);
return;
}
/* Finalize the initing of png library */
/* First try to alloacte the png structures */
png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL,NULL, NULL);
if (!png_ptr) return;
info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr) {
png_destroy_write_struct(&png_ptr,(png_infopp)NULL);
return;
}
/* Finalize the initing of png library */
png_init_io(png_ptr, fp);
png_set_compression_level(png_ptr,Z_BEST_COMPRESSION);
@ -185,6 +186,7 @@ static void TakeScreenShot(Bit8u * bitmap) {
/*clean up dynamically allocated RAM.*/
free(row_pointers);
LOG_MSG("Took snapshot in file %s",file_name);
}
static void EnableScreenShot(void) {
@ -305,18 +307,27 @@ void RENDER_SetSize(Bitu width,Bitu height,Bitu bpp,Bitu pitch,float ratio,Bitu
case OP_None:
normalop:
switch (render.src.flags) {
case DoubleNone:break;
case DoubleWidth:width*=2;break;
case DoubleHeight:height*=2;break;
case DoubleNone:
flags=0;
break;
case DoubleWidth:
width*=2;
flags=GFX_SHADOW;
break;
case DoubleHeight:
height*=2;
flags=0;
break;
case DoubleBoth:
if (render.keep_small) {
render.src.flags=0;
flags=0;
} else {
width*=2;height*=2;
flags=GFX_SHADOW;
}
break;
}
flags=0;
mode_callback=Render_Normal_CallBack;
break;
case OP_Scale2x:
@ -326,7 +337,7 @@ normalop:
mode_callback=Render_Scale2x_CallBack;
width*=2;height*=2;
#if defined (SCALE2X_NORMAL)
flags=0;
flags=GFX_SHADOW;
#elif defined (SCALE2X_MMX)
flags=GFX_FIXED_BPP;
#endif