void* CreateImageRGBA(int w, int h)
{
void* myImage;
unsigned char * _alpha = malloc(w * h);
SimpleInitAlpha(w, h, _alpha);
cdCanvasSetAttribute(curCanvas, "IMAGEALPHA", (char*)_alpha);
cdCanvasSetAttribute(curCanvas, "IMAGEFORMAT", "32"); // afetara´ o proximo cdCreateImage
myImage = cdCanvasCreateImage(curCanvas, w, h);
cdCanvasSetAttribute(curCanvas, "IMAGEFORMAT", NULL); // remove o atributo para nao afetar outros cdCreateImage
return myImage;
}
static void cdcreatecanvas(cdCanvas* canvas, cdCanvas* canvas_dbuffer)
{
int w, h;
cdCtxCanvas* ctxcanvas;
cdImage* image_dbuffer;
cdCtxImage* ctximage;
cdCanvasActivate(canvas_dbuffer);
w = canvas_dbuffer->w;
h = canvas_dbuffer->h;
if (w==0) w=1;
if (h==0) h=1;
/* this is done in the canvas_dbuffer context */
image_dbuffer = cdCanvasCreateImage(canvas_dbuffer, w, h);
if (!image_dbuffer)
return;
ctximage = image_dbuffer->ctximage;
/* Init the driver DBuffer */
ctxcanvas = cdgdkCreateCanvas(canvas, (GdkDrawable*)ctximage->img, ctximage->scr, ctximage->vis);
if (!ctxcanvas)
return;
ctxcanvas->image_dbuffer = image_dbuffer;
ctxcanvas->canvas_dbuffer = canvas_dbuffer;
{
char* mode = cdCanvasGetAttribute(canvas_dbuffer, "UTF8MODE");
int utf8mode = mode? (mode[0]=='1'? 1: 0): 0;
if (utf8mode)
cdCanvasSetAttribute(canvas, "UTF8MODE", "1");
}
}
static void cdcreatecanvas(cdCanvas* canvas, cdCanvas* canvas_dbuffer)
{
int w, h;
cdCtxCanvas* ctxcanvas;
cdImage* image_dbuffer;
cdCtxImage* ctximage;
cdCanvasActivate(canvas_dbuffer);
w = canvas_dbuffer->w;
h = canvas_dbuffer->h;
if (w==0) w=1;
if (h==0) h=1;
/* this is done in the canvas_dbuffer context */
image_dbuffer = cdCanvasCreateImage(canvas_dbuffer, w, h);
if (!image_dbuffer)
return;
ctximage = image_dbuffer->ctximage;
/* Inicializa driver DBuffer */
ctxcanvas = cdwCreateCanvas(canvas, NULL, ctximage->hDC, CDW_BMP);
ctxcanvas->image_dbuffer = image_dbuffer;
ctxcanvas->canvas_dbuffer = canvas_dbuffer;
canvas->w = ctximage->w;
canvas->h = ctximage->h;
canvas->w_mm = ctximage->w_mm;
canvas->h_mm = ctximage->h_mm;
canvas->bpp = ctximage->bpp;
canvas->xres = ctximage->xres;
canvas->yres = ctximage->yres;
ctxcanvas->clip_pnt[2].x = ctxcanvas->clip_pnt[1].x = ctximage->w - 1;
ctxcanvas->clip_pnt[3].y = ctxcanvas->clip_pnt[2].y = ctximage->h - 1;
}
