author | celestar |
Tue, 19 Jun 2007 07:21:01 +0000 | |
branch | gamebalance |
changeset 9913 | e79cd19772dd |
child 9629 | 66dde6412125 |
permissions | -rw-r--r-- |
9913
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#include "../stdafx.h" |
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#include "../gfx.h" |
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#include "8bpp_base.hpp" |
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void Blitter_8bppBase::DrawColorMappingRect(void *dst, int width, int height, int pal) |
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{ |
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const uint8 *ctab = GetNonSprite(pal) + 1; |
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do { |
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for (int i = 0; i != width; i++) *((uint8 *)dst + i) = ctab[((uint8 *)dst)[i]]; |
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dst = (uint8 *)dst + _screen.pitch; |
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} while (height--); |
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} |
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void *Blitter_8bppBase::MoveTo(const void *video, int x, int y) |
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{ |
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return (uint8 *)video + x + y * _screen.pitch; |
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} |
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void Blitter_8bppBase::SetPixel(void *video, int x, int y, uint8 color) |
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{ |
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*((uint8 *)video + x + y * _screen.pitch) = color; |
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} |
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void Blitter_8bppBase::SetPixelIfEmpty(void *video, int x, int y, uint8 color) |
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{ |
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uint8 *dst = (uint8 *)video + x + y * _screen.pitch; |
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if (*dst == 0) *dst = color; |
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} |
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void Blitter_8bppBase::SetHorizontalLine(void *video, int width, uint8 color) |
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{ |
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memset(video, color, width); |
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} |
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void Blitter_8bppBase::CopyFromBuffer(void *video, const void *src, int width, int height, int src_pitch) |
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{ |
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int direction = (height < 0) ? -1 : 1; |
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uint8 *dst = (uint8 *)video; |
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uint8 *usrc = (uint8 *)src; |
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height = abs(height); |
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for (; height > 0; height--) { |
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memcpy(dst, usrc, width); |
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usrc += src_pitch * direction; |
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dst += _screen.pitch * direction; |
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} |
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} |
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void Blitter_8bppBase::CopyToBuffer(const void *video, void *dst, int width, int height, int dst_pitch) |
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{ |
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int direction = (height < 0) ? -1 : 1; |
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uint8 *udst = (uint8 *)dst; |
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uint8 *src = (uint8 *)video; |
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height = abs(height); |
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for (; height > 0; height--) { |
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memcpy(udst, src, width); |
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src += _screen.pitch * direction; |
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udst += dst_pitch * direction; |
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} |
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} |
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void Blitter_8bppBase::MoveBuffer(void *video_dst, const void *video_src, int width, int height) |
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{ |
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uint8 *dst = (uint8 *)video_dst; |
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uint8 *src = (uint8 *)video_src; |
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for (; height > 0; height--) { |
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memmove(dst, src, width); |
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src += _screen.pitch; |
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dst += _screen.pitch; |
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} |
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} |
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int Blitter_8bppBase::BufferSize(int width, int height) |
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{ |
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return width * height; |
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} |