FBCALL void fb_GfxPset(void *target, float fx, float fy, unsigned int color, int flags, int ispreset)
{
FB_GFXCTX *context;
int x, y;
FB_GRAPHICS_LOCK( );
if (!__fb_gfx) {
FB_GRAPHICS_UNLOCK( );
return;
}
context = fb_hGetContext( );
fb_hPrepareTarget(context, target);
if (flags & DEFAULT_COLOR_1) {
if (ispreset)
color = context->bg_color;
else
color = context->fg_color;
} else {
color = fb_hFixColor(context->target_bpp, color);
}
fb_hSetPixelTransfer(context, color);
fb_hFixRelative(context, flags, &fx, &fy, NULL, NULL);
fb_hTranslateCoord(context, fx, fy, &x, &y);
if ((x < context->view_x) || (y < context->view_y) ||
(x >= context->view_x + context->view_w) || (y >= context->view_y + context->view_h)) {
FB_GRAPHICS_UNLOCK( );
return;
}
DRIVER_LOCK();
context->put_pixel(context, x, y, color);
if (__fb_gfx->framebuffer == context->line[0])
__fb_gfx->dirty[y] = TRUE;
DRIVER_UNLOCK();
FB_GRAPHICS_UNLOCK( );
}
FBCALL void fb_GfxEllipse(void *target, float fx, float fy, float radius, unsigned int color, float aspect, float start, float end, int fill, int flags)
{
FB_GFXCTX *context;
int x, y, x1, y1, top, bottom;
unsigned int orig_color;
float a, b, orig_x, orig_y, increment;
FB_GRAPHICS_LOCK( );
if (!__fb_gfx || radius <= 0.0) {
FB_GRAPHICS_UNLOCK( );
return;
}
context = fb_hGetContext();
orig_x = fx;
orig_y = fy;
fb_hPrepareTarget(context, target);
orig_color = color;
if (flags & DEFAULT_COLOR_1)
color = context->fg_color;
else
color = fb_hFixColor(context->target_bpp, color);
fb_hSetPixelTransfer(context, color);
fb_hFixRelative(context, flags, &fx, &fy, NULL, NULL);
fb_hTranslateCoord(context, fx, fy, &x, &y);
if (context->flags & CTX_WINDOW_ACTIVE) {
/* radius gets multiplied by the VIEW/WINDOW width ratio (aspect is unchanged) */
radius *= (context->view_w / context->win_w);
}
if (aspect == 0.0)
aspect = __fb_gfx->aspect;
if (aspect > 1.0) {
a = (radius / aspect);
b = radius;
} else {
a = radius;
b = (radius * aspect);
}
if ((start != 0.0) || (end != 3.141593f * 2.0)) {
if (start < 0) {
start = -start;
get_arc_point(start, a, b, &x1, &y1);
x1 = orig_x + x1;
y1 = orig_y - y1;
fb_GfxLine(target, orig_x, orig_y, x1, y1, orig_color, LINE_TYPE_LINE, 0xFFFF, COORD_TYPE_AA | (flags & ~COORD_TYPE_MASK));
}
if (end < 0) {
end = -end;
get_arc_point(end, a, b, &x1, &y1);
x1 = orig_x + x1;
y1 = orig_y - y1;
fb_GfxLine(target, orig_x, orig_y, x1, y1, orig_color, LINE_TYPE_LINE, 0xFFFF, COORD_TYPE_AA | (flags & ~COORD_TYPE_MASK));
}
while (end < start)
end += 2 * PI;
while (end - start > 2 * PI)
start += 2 * PI;
increment = 1 / (sqrt(a) * sqrt(b) * 1.5);
DRIVER_LOCK();
top = bottom = y;
for (; start < end + (increment / 2); start += increment) {
get_arc_point(start, a, b, &x1, &y1);
x1 = x + x1;
y1 = y - y1;
if ((x1 < context->view_x) || (x1 >= context->view_x + context->view_w) ||
(y1 < context->view_y) || (y1 >= context->view_y + context->view_h))
continue;
context->put_pixel(context, x1, y1, color);
if (y1 > bottom)
bottom = y1;
if (y1 < top)
top = y1;
}
} else {
DRIVER_LOCK();
draw_ellipse(context, x, y, a, b, color, fill, &top, &bottom);
}
top = MID(context->view_y, top, context->view_y + context->view_h - 1);
bottom = MID(context->view_y, bottom, context->view_y + context->view_h - 1);
if( top > bottom )
SWAP( top, bottom );
SET_DIRTY(context, top, bottom - top + 1);
DRIVER_UNLOCK();
FB_GRAPHICS_UNLOCK( );
}
/*:::::*/
FBCALL void fb_GfxPaint(void *target, float fx, float fy, unsigned int color, unsigned int border_color, FBSTRING *pattern, int mode, int flags)
{
FB_GFXCTX *context = fb_hGetContext();
int size, x, y;
unsigned char data[256], *dest, *src;
SPAN **span, *s, *tail, *head;
if (!__fb_gfx)
return;
fb_hPrepareTarget(context, target);
if (flags & DEFAULT_COLOR_1)
color = context->fg_color;
else
color = fb_hFixColor(context->target_bpp, color);
if (flags & DEFAULT_COLOR_2)
border_color = color;
else
border_color = fb_hFixColor(context->target_bpp, border_color);
fb_hSetPixelTransfer(context,color);
fb_hFixRelative(context, flags, &fx, &fy, NULL, NULL);
fb_hTranslateCoord(context, fx, fy, &x, &y);
fb_hMemSet(data, 0, sizeof(data));
if ((mode == PAINT_TYPE_PATTERN) && (pattern)) {
fb_hMemCpy(data, pattern->data, MIN(256, FB_STRSIZE(pattern)));
}
if (pattern) {
/* del if temp */
fb_hStrDelTemp( pattern );
}
if ((x < context->view_x) || (x >= context->view_x + context->view_w) ||
(y < context->view_y) || (y >= context->view_y + context->view_h))
return;
if (context->get_pixel(context, x, y) == border_color)
return;
size = sizeof(SPAN *) * (context->view_y + context->view_h);
span = (SPAN **)malloc(size);
fb_hMemSet(span, 0, size);
tail = head = add_span(context, span, &x, y, border_color);
/* Find all spans to paint */
while (tail) {
if (tail->y - 1 >= context->view_y) {
for (x = tail->x1; x <= tail->x2; x++) {
if (context->get_pixel(context, x, tail->y - 1) != border_color) {
s = add_span(context, span, &x, tail->y - 1, border_color);
if (s) {
head->next = s;
head = s;
}
}
}
}
if (tail->y + 1 < context->view_y + context->view_h) {
for (x = tail->x1; x <= tail->x2; x++) {
if (context->get_pixel(context, x, tail->y + 1) != border_color) {
s = add_span(context, span, &x, tail->y + 1, border_color);
if (s) {
head->next = s;
head = s;
}
}
}
}
tail = tail->next;
}
DRIVER_LOCK();
/* Fill spans */
for (y = context->view_y; y < context->view_y + context->view_h; y++) {
for (s = tail = span[y]; s; s = s->row_next, free(tail), tail = s) {
dest = context->line[s->y] + (s->x1 * context->target_bpp);
if (mode == PAINT_TYPE_FILL)
context->pixel_set(dest, color, s->x2 - s->x1 + 1);
else {
src = data + (((s->y & 0x7) << 3) * context->target_bpp);
if (s->x1 & 0x7) {
if ((s->x1 & ~0x7) == (s->x2 & ~0x7))
size = s->x2 - s->x1 + 1;
else
size = 8 - (s->x1 & 0x7);
fb_hPixelCpy(dest, src + ((s->x1 & 0x7) * context->target_bpp), size);
dest += size * context->target_bpp;
}
s->x2++;
for (x = (s->x1 + 7) >> 3; x < (s->x2 & ~0x7) >> 3; x++) {
fb_hPixelCpy(dest, src, 8);
dest += 8 * context->target_bpp;
}
if ((s->x2 & 0x7) && ((s->x1 & ~0x7) != (s->x2 & ~0x7)))
fb_hPixelCpy(dest, src, s->x2 & 0x7);
}
if (__fb_gfx->framebuffer == context->line[0])
__fb_gfx->dirty[context->view_y + y] = TRUE;
}
}
free(span);
DRIVER_UNLOCK();
}
/*:::::*/
static int gfx_get(void *target, float fx1, float fy1, float fx2, float fy2, unsigned char *dest, int coord_type, FBARRAY *array, int usenewheader )
{
FB_GFXCTX *context = fb_hGetContext();
PUT_HEADER *header;
int x1, y1, x2, y2, w, h, pitch;
if (!__fb_gfx)
return fb_ErrorSetNum(FB_RTERROR_ILLEGALFUNCTIONCALL);
fb_hPrepareTarget(context, target);
fb_hSetPixelTransfer(context, MASK_A_32);
fb_hFixRelative(context, coord_type, &fx1, &fy1, &fx2, &fy2);
fb_hTranslateCoord(context, fx1, fy1, &x1, &y1);
fb_hTranslateCoord(context, fx2, fy2, &x2, &y2);
fb_hFixCoordsOrder(&x1, &y1, &x2, &y2);
if ((x1 < context->view_x) || (y1 < context->view_y) ||
(x2 >= context->view_x + context->view_w) || (y2 >= context->view_y + context->view_h))
return fb_ErrorSetNum(FB_RTERROR_ILLEGALFUNCTIONCALL);
w = x2 - x1 + 1;
h = y2 - y1 + 1;
header = (PUT_HEADER *)dest;
if (!usenewheader) {
/* use old-style header for compatibility */
header->old.bpp = context->target_bpp;
header->old.width = w;
header->old.height = h;
pitch = w * context->target_bpp;
dest += 4;
}
else {
/* use new-style header */
header->type = PUT_HEADER_NEW;
header->width = w;
header->height = h;
header->bpp = context->target_bpp;
pitch = header->pitch = ((w * context->target_bpp) + 0xF) & ~0xF;
dest += sizeof(PUT_HEADER);
}
if( array != NULL ) {
if ((array->size > 0) && ((intptr_t)dest + (pitch * h) > (intptr_t)array->data + array->size))
return fb_ErrorSetNum(FB_RTERROR_ILLEGALFUNCTIONCALL);
}
DRIVER_LOCK();
for (; y1 <= y2; y1++) {
fb_hPixelCpy(dest, context->line[y1] + (x1 * context->target_bpp), w);
dest += pitch;
}
DRIVER_UNLOCK();
return fb_ErrorSetNum( FB_RTERROR_OK );
}
