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Documentation update.

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More drawing steps.

svn-id: r32576
This commit is contained in:
Vicent Marti 2008-06-06 13:38:44 +00:00
parent 934f4fd17f
commit 18d5678e7b
1 changed files with 49 additions and 0 deletions
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49
graphics/VectorRenderer.h
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@ -51,6 +51,7 @@ struct DrawStep {
uint8 shadow, stroke, factor; /** Misc options... */
int fill_mode; /** active fill mode */
int extra; /** Generic parameter for extra options */
void (VectorRenderer::*drawing_call)(DrawStep*); /** Pointer to drawing function */
@ -145,7 +146,30 @@ public:
*/
virtual void drawRoundedSquare(int x, int y, int r, int w, int h) = 0;
/**
* Draws a triangle starting at (x,y) with the given base and height.
* The triangle will always be isosceles, with the given base and height.
* The orientation parameter controls the position of the base of the triangle.
*
* @param x Horizontal (X) coordinate for the top left corner of the triangle
* @param y Vertical (Y) coordinate for the top left corner of the triangle
* @param base Width of the base of the triangle
* @param h Height of the triangle
* @param orient Orientation of the triangle.
*/
virtual void drawTriangle(int x, int y, int base, int height, TriangleOrientation orient) = 0;
/**
* Draws a beveled square like the ones in the Classic GUI themes.
* Beveled squares are always drawn with a transparent background. Draw them on top
* of a standard square to fill it.
*
* @param x Horizontal (X) coordinate for the center of the square
* @param y Vertical (Y) coordinate for the center of the square
* @param w Width of the square.
* @param h Height of the square
* @param bevel Amount of bevel. Must be positive.
*/
virtual void drawBeveledSquare(int x, int y, int w, int h, int bevel) = 0;
/**
@ -289,6 +313,9 @@ public:
_gradientFactor = factor;
}
/**
* DrawStep callback functions for each drawing feature
*/
void drawCallback_CIRCLE(DrawStep *step) {
drawCircle(step->x, step->y, step->r);
}
@ -309,8 +336,27 @@ public:
fillSurface();
}
void drawCallback_TRIANGLE(DrawStep *step) {
drawTriangle(step->x, step->y, step->w, step->h, (TriangleOrientation)step->extra);
}
void drawCallback_BEVELSQ(DrawStep *step) {
drawBeveledSquare(step->x, step->y, step->w, step->h, step->extra);
}
/**
* Draws the specified draw step on the screen.
*
* @see DrawStep
* @param step Pointer to a DrawStep struct.
*/
virtual void drawStep(DrawStep *step);
/**
* Copies the current surface to the system overlay
*
* @param sys Pointer to the global System class
*/
virtual void copyFrame(OSystem *sys) = 0;
protected:
@ -427,6 +473,9 @@ public:
}
}
/**
* @see VectorRenderer::copyFrame()
*/
virtual void copyFrame(OSystem *sys) {
#ifdef OVERLAY_MULTIPLE_DEPTHS
sys->copyRectToOverlay((const PixelType*)_activeSurface->getBasePtr(0, 0),