diff options
Diffstat (limited to 'src/renderer/8bpp.cpp')
-rw-r--r-- | src/renderer/8bpp.cpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/renderer/8bpp.cpp b/src/renderer/8bpp.cpp new file mode 100644 index 000000000..2f595c6c9 --- /dev/null +++ b/src/renderer/8bpp.cpp @@ -0,0 +1,71 @@ +#include "../stdafx.h" +#include "../gfx.h" +#include "8bpp.hpp" + +static FRenderer_8bpp iFRenderer_8bpp; + +void *Renderer_8bpp::MoveTo(const void *video, int x, int y) +{ + return (uint8 *)video + x + y * _screen.pitch; +} + +void Renderer_8bpp::SetPixel(void *video, int x, int y, uint8 color) +{ + *((uint8 *)video + x + y * _screen.pitch) = color; +} + +void Renderer_8bpp::SetPixelIfEmpty(void *video, int x, int y, uint8 color) +{ + uint8 *dst = (uint8 *)video + x + y * _screen.pitch; + if (*dst == 0) *dst = color; +} + +void Renderer_8bpp::SetHorizontalLine(void *video, int width, uint8 color) +{ + memset(video, color, width); +} + +void Renderer_8bpp::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 Renderer_8bpp::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 Renderer_8bpp::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 Renderer_8bpp::BufferSize(int width, int height) +{ + return width * height; +} |