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New GFX functions to draw cenetered sprites

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pelya
2015-04-12 22:31:20 +03:00
parent ee251f2093
commit f889ed089a
2 changed files with 47 additions and 0 deletions
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44
src/gfx.cpp
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@@ -856,6 +856,50 @@ void DrawSprite(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub,
} }
} }
/**
* Draw a sprite, centered at x:y, not in a viewport
* @param img Image number to draw
* @param pal Palette to use.
* @param x Left coordinate of image in pixels
* @param y Top coordinate of image in pixels
* @param sub If available, draw only specified part of the sprite
* @param zoom Zoom level of sprite
*/
void DrawSpriteCentered(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub, ZoomLevel zoom)
{
Dimension size = GetSpriteSize(img, NULL, zoom);
DrawSprite(img, pal, x - size.width / 2, y - size.height / 2, sub, zoom);
}
/**
* Draw a sprite, centered in rect, not in a viewport
* @param img Image number to draw
* @param pal Palette to use.
* @param left Left coordinate of image bounding box in pixels
* @param top Top coordinate of image bounding box in pixels
* @param right Right coordinate of image bounding box in pixels
* @param bottom Bottom coordinate of image bounding box in pixels
* @param sub If available, draw only specified part of the sprite
* @param zoom Zoom level of sprite
*/
void DrawSpriteCenteredInRect(SpriteID img, PaletteID pal, int left, int top, int right, int bottom, const SubSprite *sub, ZoomLevel zoom)
{
DrawSpriteCentered(img, pal, (left + right) / 2, (top + bottom) / 2, sub, zoom);
}
/**
* Draw a sprite, centered in rect, not in a viewport
* @param img Image number to draw
* @param pal Palette to use.
* @param rect Image bounding box in pixels
* @param sub If available, draw only specified part of the sprite
* @param zoom Zoom level of sprite
*/
void DrawSpriteCenteredInRect(SpriteID img, PaletteID pal, const Rect &rect, const SubSprite *sub, ZoomLevel zoom)
{
DrawSpriteCenteredInRect(img, pal, rect.left, rect.top, rect.right, rect.bottom, sub, zoom);
}
/** /**
* The code for setting up the blitter mode and sprite information before finally drawing the sprite. * The code for setting up the blitter mode and sprite information before finally drawing the sprite.
* @param sprite The sprite to draw. * @param sprite The sprite to draw.

3
src/gfx_func.h
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@@ -96,6 +96,9 @@ void GfxScroll(int left, int top, int width, int height, int xo, int yo);
Dimension GetSpriteSize(SpriteID sprid, Point *offset = NULL, ZoomLevel zoom = ZOOM_LVL_GUI); Dimension GetSpriteSize(SpriteID sprid, Point *offset = NULL, ZoomLevel zoom = ZOOM_LVL_GUI);
void DrawSpriteViewport(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub = NULL); void DrawSpriteViewport(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub = NULL);
void DrawSprite(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub = NULL, ZoomLevel zoom = ZOOM_LVL_GUI); void DrawSprite(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub = NULL, ZoomLevel zoom = ZOOM_LVL_GUI);
void DrawSpriteCentered(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub = NULL, ZoomLevel zoom = ZOOM_LVL_GUI);
void DrawSpriteCenteredInRect(SpriteID img, PaletteID pal, int left, int top, int right, int bottom, const SubSprite *sub = NULL, ZoomLevel zoom = ZOOM_LVL_GUI);
void DrawSpriteCenteredInRect(SpriteID img, PaletteID pal, const Rect &r, const SubSprite *sub = NULL, ZoomLevel zoom = ZOOM_LVL_GUI);
/** How to align the to-be drawn text. */ /** How to align the to-be drawn text. */
enum StringAlignment { enum StringAlignment {