diff -r 6a7c8ead2328 -r b5c2449616b5 src/blitter/8bpp_base.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/blitter/8bpp_base.cpp Sun Jun 17 21:31:00 2007 +0000 @@ -0,0 +1,79 @@ +#include "../stdafx.h" +#include "../gfx.h" +#include "8bpp_base.hpp" + +void Blitter_8bppBase::DrawColorMappingRect(void *dst, int width, int height, int pal) +{ + const uint8 *ctab = GetNonSprite(pal) + 1; + + do { + for (int i = 0; i != width; i++) *((uint8 *)dst + i) = ctab[((uint8 *)dst)[i]]; + dst = (uint8 *)dst + _screen.pitch; + } while (height--); +} + +void *Blitter_8bppBase::MoveTo(const void *video, int x, int y) +{ + return (uint8 *)video + x + y * _screen.pitch; +} + +void Blitter_8bppBase::SetPixel(void *video, int x, int y, uint8 color) +{ + *((uint8 *)video + x + y * _screen.pitch) = color; +} + +void Blitter_8bppBase::SetPixelIfEmpty(void *video, int x, int y, uint8 color) +{ + uint8 *dst = (uint8 *)video + x + y * _screen.pitch; + if (*dst == 0) *dst = color; +} + +void Blitter_8bppBase::SetHorizontalLine(void *video, int width, uint8 color) +{ + memset(video, color, width); +} + +void Blitter_8bppBase::CopyFromBuffer(void *video, const void *src, int width, int height, int src_pitch) +{ + int direction = (height < 0) ? -1 : 1; + uint8 *dst = (uint8 *)video; + uint8 *usrc = (uint8 *)src; + + height = abs(height); + for (; height > 0; height--) { + memcpy(dst, usrc, width); + usrc += src_pitch * direction; + dst += _screen.pitch * direction; + } +} + +void Blitter_8bppBase::CopyToBuffer(const void *video, void *dst, int width, int height, int dst_pitch) +{ + int direction = (height < 0) ? -1 : 1; + uint8 *udst = (uint8 *)dst; + uint8 *src = (uint8 *)video; + + height = abs(height); + for (; height > 0; height--) { + memcpy(udst, src, width); + src += _screen.pitch * direction; + udst += dst_pitch * direction; + } +} + +void Blitter_8bppBase::MoveBuffer(void *video_dst, const void *video_src, int width, int height) +{ + uint8 *dst = (uint8 *)video_dst; + uint8 *src = (uint8 *)video_src; + + for (; height > 0; height--) { + memmove(dst, src, width); + src += _screen.pitch; + dst += _screen.pitch; + } +} + +int Blitter_8bppBase::BufferSize(int width, int height) +{ + return width * height; +}