12 #ifndef BLITTER_NULL_HPP 13 #define BLITTER_NULL_HPP 24 void *
MoveTo(
void *video,
int x,
int y) {
return NULL; };
25 void SetPixel(
void *video,
int x,
int y, uint8 colour) {};
26 void DrawRect(
void *video,
int width,
int height, uint8 colour) {};
27 void DrawLine(
void *video,
int x,
int y,
int x2,
int y2,
int screen_width,
int screen_height, uint8 colour,
int width,
int dash) {};
29 void CopyToBuffer(
const void *video,
void *dst,
int width,
int height) {};
30 void CopyImageToBuffer(
const void *video,
void *dst,
int width,
int height,
int dst_pitch) {};
31 void ScrollBuffer(
void *video,
int &left,
int &top,
int &width,
int &height,
int scroll_x,
int scroll_y) {};
uint32 PaletteID
The number of the palette.
void DrawColourMappingRect(void *dst, int width, int height, PaletteID pal)
Draw a colourtable to the screen.
Information about the currently used palette.
Data structure describing a sprite.
Blitter::PaletteAnimation UsePaletteAnimation()
Check if the blitter uses palette animation at all.
Blitter that does nothing.
How all blitters should look like.
void CopyToBuffer(const void *video, void *dst, int width, int height)
Copy from the screen to a buffer.
int GetBytesPerPixel()
Get how many bytes are needed to store a pixel.
int BufferSize(int width, int height)
Calculate how much memory there is needed for an image of this size in the video-buffer.
void PaletteAnimate(const Palette &palette)
Called when the 8bpp palette is changed; you should redraw all pixels on the screen that are equal to...
Parameters related to blitting.
void * MoveTo(void *video, int x, int y)
Move the destination pointer the requested amount x and y, keeping in mind any pitch and bpp of the r...
void CopyImageToBuffer(const void *video, void *dst, int width, int height, int dst_pitch)
Copy from the screen to a buffer in a palette format for 8bpp and RGBA format for 32bpp...
Structure for passing information from the sprite loader to the blitter.
void DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 colour, int width, int dash)
Draw a line with a given colour.
void CopyFromBuffer(void *video, const void *src, int width, int height)
Copy from a buffer to the screen.
void ScrollBuffer(void *video, int &left, int &top, int &width, int &height, int scroll_x, int scroll_y)
Scroll the videobuffer some 'x' and 'y' value.
void SetPixel(void *video, int x, int y, uint8 colour)
Draw a pixel with a given colour on the video-buffer.
void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom)
Draw an image to the screen, given an amount of params defined above.
ZoomLevel
All zoom levels we know.
uint8 GetScreenDepth()
Get the screen depth this blitter works for.
Sprite * Encode(const SpriteLoader::Sprite *sprite, AllocatorProc *allocator)
Convert a sprite from the loader to our own format.
Blitter * CreateInstance()
Create an instance of this Blitter-class.
const char * GetName()
Get the name of the blitter, the same as the Factory-instance returns.
Factory for the blitter that does nothing.
BlitterMode
The modes of blitting we can do.
PaletteAnimation
Types of palette animation.
The base factory, keeping track of all blitters.
void DrawRect(void *video, int width, int height, uint8 colour)
Make a single horizontal line in a single colour on the video-buffer.
Factory to 'query' all available blitters.