diff options
Diffstat (limited to 'graphics/VectorRenderer.h')
| -rw-r--r-- | graphics/VectorRenderer.h | 43 |
1 files changed, 36 insertions, 7 deletions
diff --git a/graphics/VectorRenderer.h b/graphics/VectorRenderer.h index 0c476d3e27..2226907670 100644 --- a/graphics/VectorRenderer.h +++ b/graphics/VectorRenderer.h @@ -48,6 +48,7 @@ struct DrawStep { color2; /** Background color/gradient end */ uint16 x, y, w, h, r; /** Shape size */ + uint16 offset_x, offset_y; /** Offset when drawing directly to the whole screen */ uint8 shadow, stroke, factor; /** Misc options... */ int fill_mode; /** active fill mode */ @@ -87,7 +88,12 @@ VectorRenderer *createRenderer(int mode); */ class VectorRenderer { public: - VectorRenderer() : _shadowOffset(0), _fillMode(kFillDisabled), _activeSurface(NULL), _strokeWidth(1), _gradientFactor(1) {} + VectorRenderer() : _shadowOffset(0), _fillMode(kFillDisabled), + _activeSurface(NULL), _strokeWidth(1), _gradientFactor(1), + _stepOffsetX(0), _stepOffsetY(0) { + + } + virtual ~VectorRenderer() {} /** Specifies the way in which a shape is filled */ @@ -317,19 +323,19 @@ public: * DrawStep callback functions for each drawing feature */ void drawCallback_CIRCLE(DrawStep *step) { - drawCircle(step->x, step->y, step->r); + drawCircle(_stepOffsetX + step->x, _stepOffsetY + step->y, step->r); } void drawCallback_SQUARE(DrawStep *step) { - drawSquare(step->x, step->y, step->w, step->h); + drawSquare(_stepOffsetX + step->x, _stepOffsetY + step->y, step->w, step->h); } void drawCallback_LINE(DrawStep *step) { - drawLine(step->x, step->y, step->x + step->w, step->y + step->h); + drawLine(_stepOffsetX + step->x, _stepOffsetY + step->y, step->x + step->w, step->y + step->h); } void drawCallback_ROUNDSQ(DrawStep *step) { - drawRoundedSquare(step->x, step->y, step->r, step->w, step->h); + drawRoundedSquare(_stepOffsetX + step->x, _stepOffsetY + step->y, step->r, step->w, step->h); } void drawCallback_FILLSURFACE(DrawStep *step) { @@ -337,11 +343,11 @@ public: } void drawCallback_TRIANGLE(DrawStep *step) { - drawTriangle(step->x, step->y, step->w, step->h, (TriangleOrientation)step->extra); + drawTriangle(_stepOffsetX + step->x, _stepOffsetY + 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); + drawBeveledSquare(_stepOffsetX + step->x, _stepOffsetY + step->y, step->w, step->h, step->extra); } /** @@ -359,9 +365,32 @@ public: */ virtual void copyFrame(OSystem *sys) = 0; + /** + * Enables drawing offset for all the Draw Step operations, + * i.e. when we are drawing widgets directly on a whole screen + * instead of individual surfaces for caching/blitting. + * + * @param x Horizontal drawing offset. + * @param y Veritcal drawing offset. + */ + void setDrawOffset(int x, int y) { + _stepOffsetX = x; + _stepOffsetY = y; + } + + /** + * Disables the drawing offset for draw step operations. + */ + void disableDrawOffset() { + _stepOffsetX = _stepOffsetY = 0; + } + protected: Surface *_activeSurface; /** Pointer to the surface currently being drawn */ + int _stepOffsetX; /** Offset for all the drawing steps */ + int _stepOffsetY; /** Offset for all the drawing steps */ + FillMode _fillMode; /** Defines in which way (if any) are filled the drawn shapes */ int _shadowOffset; /** offset for drawn shadows */ |