This commit is contained in:
2012-09-02 15:24:38 +02:00
commit 5b667b5781
250 changed files with 70477 additions and 0 deletions

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CC = gcc
CPP = g++
COMPILERFLAGS = -O3
INCLUDE = -I../../Dist
VGALIBRARIES = -lfreeimage -lvga
VGAINCLUDE = -I/usr/include/asm
GTKLIBRARIES = -lfreeimage `pkg-config --libs gtk+-2.0`
GTKINCLUDE = `pkg-config --cflags gtk+-2.0`
CFLAGS = $(COMPILERFLAGS) $(INCLUDE)
all: default
default: linux-svgalib linux-gtk
linux-svgalib: linux-svgalib.c
$(CC) $(CFLAGS) $< -o $@ $(VGALIBRARIES) $(VGAINCLUDE)
strip $@
linux-gtk: linux-gtk.c
$(CC) $(CFLAGS) $< -o $@ $(GTKLIBRARIES) $(GTKINCLUDE)
strip $@
clean:
rm -f core linux-svgalib linux-gtk

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#include <gtk/gtk.h>
#include <FreeImage.h>
#include <string.h>
void destroy(GtkWidget * widget, gpointer data) {
gtk_main_quit();
}
int main(int argc, char *argv[])
{
GtkWidget *window, *imagebox;
GdkVisual *visual;
GdkImage *image;
FIBITMAP *dib;
int y;
// initialize the FreeImage library
FreeImage_Initialise(TRUE);
dib = FreeImage_Load(FIF_PNG, "freeimage.png", PNG_DEFAULT);
gtk_init(&argc, &argv);
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_signal_connect(GTK_OBJECT(window), "destroy",
GTK_SIGNAL_FUNC(destroy), NULL);
visual = gdk_visual_get_system();
image = gdk_image_new(GDK_IMAGE_NORMAL,visual,
FreeImage_GetWidth(dib),FreeImage_GetHeight(dib));
g_print("picture: %d bpp\n"
"system: %d bpp byteorder: %d\n"
" redbits: %d greenbits: %d bluebits: %d\n"
"image: %d bpp %d bytes/pixel\n",
FreeImage_GetBPP(dib),
visual->depth,visual->byte_order,
visual->red_prec,visual->green_prec,visual->blue_prec,
image->depth,image->bpp );
if (FreeImage_GetBPP(dib) != (image->bpp << 3)) {
FIBITMAP *ptr;
switch (image->bpp) {
case 1:
ptr = FreeImage_ConvertTo8Bits(dib);
break;
case 2:
if (image->depth == 15) {
ptr = FreeImage_ConvertTo16Bits555(dib);
} else {
ptr = FreeImage_ConvertTo16Bits565(dib);
}
break;
case 3:
ptr = FreeImage_ConvertTo24Bits(dib);
break;
default:
case 4:
ptr = FreeImage_ConvertTo32Bits(dib);
break;
}
FreeImage_Unload(dib);
dib = ptr;
}
//makes it upside down :(
// memcpy(image->mem, FreeImage_GetBits(dib), image->bpl * image->height);
BYTE *ptr = FreeImage_GetBits(dib);
for (y = 0; y < image->height; y++) {
memcpy(image->mem + (y * image->bpl),
ptr + ((image->height - y - 1) * image->bpl),
image->bpl);
}
FreeImage_Unload(dib);
imagebox = gtk_image_new_from_image(image, NULL);
gtk_container_add(GTK_CONTAINER(window), imagebox);
gtk_widget_show(imagebox);
gtk_widget_show(window);
gtk_main();
// release the FreeImage library
FreeImage_DeInitialise();
return 0;
}

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#include <vga.h>
#include "FreeImage.h"
int main(void)
{
FIBITMAP *dib,*ptr;
vga_modeinfo *inf;
int length,height,bpp,y;
// initialize the FreeImage library
FreeImage_Initialise();
dib = FreeImage_Load(FIF_PNG, "freeimage.png", PNG_DEFAULT);
vga_init();
vga_setmode(vga_getdefaultmode());
inf = vga_getmodeinfo(vga_getcurrentmode());
switch(inf->colors) {
default:
printf("Must be at least 256 color mode!\n");
return;
case 1 << 8:
bpp = 8;
break;
case 1 << 15:
bpp = 15;
break;
case 1 << 16:
bpp = 16;
break;
case 1 << 24:
if( inf->bytesperpixel == 3 ) {
bpp = 24;
} else {
bpp = 32;
}
break;
}
if(FreeImage_GetBPP(dib) != bpp) {
switch(bpp) {
case 8:
ptr = FreeImage_ConvertTo8Bits(dib);
break;
case 15:
ptr = FreeImage_ConvertTo16Bits555(dib);
break;
case 16:
ptr = FreeImage_ConvertTo16Bits565(dib);
break;
case 24:
ptr = FreeImage_ConvertTo24Bits(dib);
break;
default:
case 32:
ptr = FreeImage_ConvertTo32Bits(dib);
break;
}
FreeImage_Unload(dib);
dib = ptr;
}
length = FreeImage_GetWidth(dib);
if( inf->width < length ) {
length = inf->width;
}
height = FreeImage_GetHeight(dib);
if( inf->height < height ) {
height = inf->height;
}
for(y = 0; y < height; y++) {
vga_drawscansegment(FreeImage_GetScanLine(dib, y), 0, y, length);
}
FreeImage_Unload(dib);
vga_getch();
vga_setmode(TEXT);
// release the FreeImage library
FreeImage_DeInitialise();
return 0;
}