97 lines
1.6 KiB
R
97 lines
1.6 KiB
R
#include "qwaq-curses.h"
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#include "qwaq-draw.h"
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@implementation DrawBuffer
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+ (DrawBuffer *) buffer: (Extent) size
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{
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return [[self alloc] initWithSize: size];
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}
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- initWithSize: (Extent) size
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{
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if (!(self = [super init])) {
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return nil;
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}
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buffer = obj_malloc (size.width * size.height);
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self.size = size;
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return self;
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}
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- (Extent) size
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{
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return size;
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}
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- (int *) buffer
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{
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return buffer;
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}
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- blitFromBuffer: (DrawBuffer *) srcBuffer to: (Point) pos from: (Rect) rect
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{
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Extent srcSize = srcBuffer.size;
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Rect r = { {}, srcBuffer.size };
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Rect t = { pos, rect.extent };
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t = clipRect (r, t);
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if (t.extent.width < 0 || t.extent.height < 0) {
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return self;
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}
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rect.offset.x += t.offset.x - pos.x;
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rect.offset.y += t.offset.y - pos.y;
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rect.extent = t.extent;
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pos = t.offset;
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r.offset = nil;
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r.extent = size;
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rect = clipRect (r, rect);
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if (rect.extent.width < 0 || rect.extent.height < 0) {
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return self;
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}
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int *dst = buffer + pos.y * size.width + pos.x;
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int *src = srcBuffer.buffer
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+ rect.offset.y * srcSize.width + rect.offset.x;
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for (int y = 0; y < rect.extent.height; y++) {
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int *d = dst;
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int *s = src;
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dst += size.width;
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src += srcSize.width;
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for (int x = 0; x < rect.extent.width; x++) {
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// FIXME 1) need memcpy/memmove
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// 2) the generated code could be better
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*d++ = *s++;
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}
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}
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return self;
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}
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- (void) printf: (string) fmt, ...
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{
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}
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- (void) vprintf: (string) fmt, @va_list args
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{
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}
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- (void) addch: (int) ch
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{
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}
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- (void) mvprintf: (Point) pos, string fmt, ...
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{
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}
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- (void) mvvprintf: (Point) pos, string fmt, @va_list args
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{
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}
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- (void) mvaddch: (Point) pos, int ch
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{
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}
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@end
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