/*****************************************************************************\
image:GetOpenGLData()
\*****************************************************************************/
static int imluaImageGetOpenGLData (lua_State *L)
{
int format;
imbyte* gldata;
imImage *image = imlua_checkimage(L, 1);
gldata = imImageGetOpenGLData(image, &format);
if (!gldata)
{
lua_pushnil(L);
return 1;
}
lua_pushlightuserdata(L, gldata);
lua_pushinteger(L, format);
return 2;
}
int item_paste_action_cb(Ihandle* item_paste)
{
if (save_check(item_paste))
{
Ihandle* canvas = IupGetDialogChild(item_paste, "CANVAS");
imImage* old_image = (imImage*)IupGetAttribute(canvas, "IMAGE");
Ihandle *clipboard = IupClipboard();
imImage* image = IupGetNativeHandleImage(IupGetAttribute(clipboard, "NATIVEIMAGE"));
IupDestroy(clipboard);
if (!image)
{
show_error("Invalid Clipboard Data", 1);
return IUP_DEFAULT;
}
/* we are going to support only RGB images with no alpha */
imImageRemoveAlpha(image);
if (image->color_space != IM_RGB)
{
imImage* new_image = imImageCreateBased(image, -1, -1, IM_RGB, -1);
imConvertColorSpace(image, new_image);
imImageDestroy(image);
image = new_image;
}
/* create OpenGL compatible data */
imImageGetOpenGLData(image, NULL);
imImageSetAttribString(image, "FileFormat", "JPEG");
IupSetAttribute(canvas, "DIRTY", "Yes");
IupSetAttribute(canvas, "IMAGE", (char*)image);
IupSetAttribute(canvas, "FILENAME", NULL);
IupSetAttribute(IupGetDialog(canvas), "TITLE", "Untitled - Simple Paint");
IupUpdate(canvas);
if (old_image)
imImageDestroy(old_image);
}
return IUP_DEFAULT;
}
void new_file(Ihandle* ih, imImage* image)
{
Ihandle* dlg = IupGetDialog(ih);
Ihandle* canvas = IupGetDialogChild(dlg, "CANVAS");
imImage* old_image = (imImage*)IupGetAttribute(canvas, "IMAGE");
IupSetAttribute(dlg, "TITLE", "Untitled - Simple Paint");
IupSetAttribute(canvas, "FILENAME", NULL);
IupSetAttribute(canvas, "DIRTY", "NO");
IupSetAttribute(canvas, "IMAGE", (char*)image);
/* create OpenGL compatible data */
imImageGetOpenGLData(image, NULL);
IupUpdate(canvas);
if (old_image)
imImageDestroy(old_image);
}
imImage* read_file(const char* filename)
{
int error;
imImage* image = imFileImageLoadBitmap(filename, 0, &error);
if (error)
show_file_error(error);
else
{
/* we are going to support only RGB images with no alpha */
imImageRemoveAlpha(image);
if (image->color_space != IM_RGB)
{
imImage* new_image = imImageCreateBased(image, -1, -1, IM_RGB, -1);
imConvertColorSpace(image, new_image);
imImageDestroy(image);
image = new_image;
}
/* create OpenGL compatible data */
imImageGetOpenGLData(image, NULL);
}
return image;
}