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diff --git a/graphics/VectorRenderer.cpp b/graphics/VectorRenderer.cpp
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+++ b/graphics/VectorRenderer.cpp
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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "common/util.h"
+#include "common/system.h"
+#include "common/events.h"
+
+#include "graphics/surface.h"
+#include "graphics/colormasks.h"
+
+#include "gui/InterfaceManager.h"
+#include "graphics/VectorRenderer.h"
+
+namespace Graphics {
+
+VectorRenderer *createRenderer(int mode) {
+ switch (mode) {
+ case GUI::InterfaceManager::kGfxStandard16bit:
+ return new VectorRendererSpec<uint16, ColorMasks<565> >;
+
+ case GUI::InterfaceManager::kGfxAntialias16bit:
+ return new VectorRendererAA<uint16, ColorMasks<565> >;
+
+ default:
+ return 0;
+ }
+}
+
+/********************************************************************
+ * DRAWSTEP handling functions
+ ********************************************************************/
+void VectorRenderer::drawStep(const Common::Rect &area, const DrawStep &step) {
+
+ if (step.flags & DrawStep::kStepCallbackOnly) {
+ (this->*(step.drawing_call))(area, step);
+ return;
+ }
+
+ if (step.flags & DrawStep::kStepSetBG)
+ setBgColor(step.color2.r, step.color2.g, step.color2.b);
+
+ if (step.flags & DrawStep::kStepSetFG)
+ setFgColor(step.color1.r, step.color1.g, step.color1.b);
+
+ if (step.flags & DrawStep::kStepSetGradient)
+ setGradientColors(step.color1.r, step.color1.g, step.color1.b,
+ step.color2.r, step.color2.g, step.color2.b);
+
+ if (step.flags & DrawStep::kStepSetShadow)
+ shadowEnable(step.shadow);
+
+ if (step.flags & DrawStep::kStepSetGradientFactor)
+ setGradientFactor(step.factor);
+
+ if (step.flags & DrawStep::kStepSetStroke)
+ setStrokeWidth(step.stroke);
+
+ if (step.flags & DrawStep::kStepSetFillMode)
+ setFillMode((FillMode)step.fill_mode);
+
+ if (step.flags & DrawStep::kStepSettingsOnly)
+ return;
+
+ (this->*(step.drawing_call))(area, step);
+}
+
+/********************************************************************
+ * MISCELANEOUS functions
+ ********************************************************************/
+/** Fixed point SQUARE ROOT **/
+inline uint32 fp_sqroot(uint32 x) {
+ register uint32 root, remHI, remLO, testDIV, count;
+
+ root = 0;
+ remHI = 0;
+ remLO = x;
+ count = 23;
+
+ do {
+ remHI = (remHI << 2) | (remLO >> 30);
+ remLO <<= 2;
+ root <<= 1;
+ testDIV = (root << 1) + 1;
+
+ if (remHI >= testDIV) {
+ remHI -= testDIV;
+ root++;
+ }
+ } while (count--);
+
+ return root;
+}
+
+/** HELPER MACROS for BESENHALM's circle drawing algorithm **/
+#define __BE_ALGORITHM() { \
+ if (f >= 0) { \
+ y--; \
+ ddF_y += 2; \
+ f += ddF_y; \
+ py -= pitch; \
+ } \
+ px += pitch; \
+ ddF_x += 2; \
+ f += ddF_x + 1; \
+}
+
+#define __BE_DRAWCIRCLE(ptr1,ptr2,ptr3,ptr4,x,y,px,py) { \
+ *(ptr1 + (y) - (px)) = color; \
+ *(ptr1 + (x) - (py)) = color; \
+ *(ptr2 - (x) - (py)) = color; \
+ *(ptr2 - (y) - (px)) = color; \
+ *(ptr3 - (y) + (px)) = color; \
+ *(ptr3 - (x) + (py)) = color; \
+ *(ptr4 + (x) + (py)) = color; \
+ *(ptr4 + (y) + (px)) = color; \
+}
+
+#define __BE_RESET() { \
+ f = 1 - r; \
+ ddF_x = 0; ddF_y = -2 * r; \
+ x = 0; y = r; px = 0; py = pitch * r; \
+}
+
+/** HELPER MACROS for WU's circle drawing algorithm **/
+#define __WU_DRAWCIRCLE(ptr1,ptr2,ptr3,ptr4,x,y,px,py,a) { \
+ blendPixelPtr(ptr1 + (y) - (px), color, a); \
+ blendPixelPtr(ptr1 + (x) - (py), color, a); \
+ blendPixelPtr(ptr2 - (x) - (py), color, a); \
+ blendPixelPtr(ptr2 - (y) - (px), color, a); \
+ blendPixelPtr(ptr3 - (y) + (px), color, a); \
+ blendPixelPtr(ptr3 - (x) + (py), color, a); \
+ blendPixelPtr(ptr4 + (x) + (py), color, a); \
+ blendPixelPtr(ptr4 + (y) + (px), color, a); \
+}
+
+#define __WU_ALGORITHM() { \
+ oldT = T; \
+ T = fp_sqroot(rsq - ((y * y) << 16)) ^ 0xFFFF; \
+ py += p; \
+ if (T < oldT) { \
+ x--; px -= p; \
+ } \
+ a2 = (T >> 8); \
+ a1 = ~a2; \
+}
+
+#define __TRIANGLE_MAINX() \
+ if (error_term >= 0) { \
+ ptr_right += pitch; \
+ ptr_left += pitch; \
+ error_term += dysub; \
+ } else { \
+ error_term += ddy; \
+ } \
+ ptr_right++; \
+ ptr_left--;
+
+#define __TRIANGLE_MAINY() \
+ if (error_term >= 0) { \
+ ptr_right++; \
+ ptr_left--; \
+ error_term += dxsub; \
+ } else { \
+ error_term += ddx; \
+ } \
+ ptr_right += pitch; \
+ ptr_left += pitch;
+
+/********************************************************************
+ * Primitive shapes drawing - Public API calls - VectorRendererSpec
+ ********************************************************************/
+/** LINES **/
+template<typename PixelType, typename PixelFormat>
+void VectorRendererSpec<PixelType, PixelFormat>::
+drawLine(int x1, int y1, int x2, int y2) {
+ x1 = CLIP(x1, 0, (int)Base::_activeSurface->w);
+ x2 = CLIP(x2, 0, (int)Base::_activeSurface->w);
+ y1 = CLIP(y1, 0, (int)Base::_activeSurface->h);
+ y2 = CLIP(y2, 0, (int)Base::_activeSurface->h);
+
+ // we draw from top to bottom
+ if (y2 < y1) {
+ SWAP(x1, x2);
+ SWAP(y1, y2);
+ }
+
+ int dx = ABS(x2 - x1);
+ int dy = ABS(y2 - y1);
+
+ // this is a point, not a line. stoopid.
+ if (dy == 0 && dx == 0)
+ return;
+
+ if (Base::_strokeWidth == 0)
+ return;
+
+ PixelType *ptr = (PixelType *)_activeSurface->getBasePtr(x1, y1);
+ int pitch = Base::surfacePitch();
+
+ if (dy == 0) { // horizontal lines
+ // these can be filled really fast with a single memset.
+ colorFill(ptr, ptr + dx + 1, (PixelType)_fgColor);
+
+ } else if (dx == 0) { // vertical lines
+ // these ones use a static pitch increase.
+ while (y1++ <= y2) {
+ *ptr = (PixelType)_fgColor;
+ ptr += pitch;
+ }
+
+ } else if (ABS(dx) == ABS(dy)) { // diagonal lines
+ // these ones also use a fixed pitch increase
+ pitch += (x2 > x1) ? 1 : -1;
+
+ while (dy--) {
+ *ptr = (PixelType)_fgColor;
+ ptr += pitch;
+ }
+
+ } else { // generic lines, use the standard algorithm...
+ drawLineAlg(x1, y1, x2, y2, dx, dy, (PixelType)_fgColor);
+ }
+}
+
+/** CIRCLES **/
+template<typename PixelType, typename PixelFormat>
+void VectorRendererSpec<PixelType, PixelFormat>::
+drawCircle(int x, int y, int r) {
+ if (x + r > Base::_activeSurface->w || y + r > Base::_activeSurface->h ||
+ x - r < 0 || y - r < 0 || x == 0 || y == 0 || r <= 0)
+ return;
+
+ if (Base::_fillMode != kFillDisabled && Base::_shadowOffset
+ && x + r + Base::_shadowOffset < Base::_activeSurface->w
+ && y + r + Base::_shadowOffset < Base::_activeSurface->h) {
+ drawCircleAlg(x + Base::_shadowOffset + 1, y + Base::_shadowOffset + 1, r, 0, kFillForeground);
+ }
+
+ switch (Base::_fillMode) {
+ case kFillDisabled:
+ if (Base::_strokeWidth)
+ drawCircleAlg(x, y, r, _fgColor, kFillDisabled);
+ break;
+
+ case kFillForeground:
+ drawCircleAlg(x, y, r, _fgColor, kFillForeground);
+ break;
+
+ case kFillBackground:
+ if (Base::_strokeWidth > 1) {
+ drawCircleAlg(x, y, r, _fgColor, kFillForeground);
+ drawCircleAlg(x, y, r - Base::_strokeWidth, _bgColor, kFillBackground);
+ } else {
+ drawCircleAlg(x, y, r, _bgColor, kFillBackground);
+ drawCircleAlg(x, y, r, _fgColor, kFillDisabled);
+ }
+ break;
+
+ case kFillGradient:
+ break;
+ }
+}
+
+/** SQUARES **/
+template<typename PixelType, typename PixelFormat>
+void VectorRendererSpec<PixelType, PixelFormat>::
+drawSquare(int x, int y, int w, int h) {
+ if (x + w > Base::_activeSurface->w || y + h > Base::_activeSurface->h ||
+ w <= 0 || h <= 0 || x < 0 || y < 0)
+ return;
+
+ if (Base::_fillMode != kFillDisabled && Base::_shadowOffset
+ && x + w + Base::_shadowOffset < Base::_activeSurface->w
+ && y + h + Base::_shadowOffset < Base::_activeSurface->h) {
+ drawSquareShadow(x, y, w, h, Base::_shadowOffset);
+ }
+
+ switch (Base::_fillMode) {
+ case kFillDisabled:
+ if (Base::_strokeWidth)
+ drawSquareAlg(x, y, w, h, _fgColor, kFillDisabled);
+ break;
+
+ case kFillForeground:
+ drawSquareAlg(x, y, w, h, _fgColor, kFillForeground);
+ break;
+
+ case kFillBackground:
+ drawSquareAlg(x, y, w, h, _bgColor, kFillBackground);
+ drawSquareAlg(x, y, w, h, _fgColor, kFillDisabled);
+ break;
+
+ case kFillGradient:
+ VectorRendererSpec::drawSquareAlg(x, y, w, h, 0, kFillGradient);
+ if (Base::_strokeWidth)
+ drawSquareAlg(x, y, w, h, _fgColor, kFillDisabled);
+ break;
+ }
+}
+
+/** ROUNDED SQUARES **/
+template<typename PixelType, typename PixelFormat>
+void VectorRendererSpec<PixelType, PixelFormat>::
+drawRoundedSquare(int x, int y, int r, int w, int h) {
+ if (x + w > Base::_activeSurface->w || y + h > Base::_activeSurface->h ||
+ w <= 0 || h <= 0 || x < 0 || y < 0 || r <= 0 || r > 128)
+ return;
+
+ if (Base::_fillMode != kFillDisabled && Base::_shadowOffset
+ && x + w + Base::_shadowOffset < Base::_activeSurface->w
+ && y + h + Base::_shadowOffset < Base::_activeSurface->h) {
+ drawRoundedSquareShadow(x, y, r, w, h, Base::_shadowOffset);
+ }
+
+ switch (Base::_fillMode) {
+ case kFillDisabled:
+ if (Base::_strokeWidth)
+ drawRoundedSquareAlg(x, y, r, w, h, _fgColor, kFillDisabled);
+ break;
+
+ case kFillForeground:
+ drawRoundedSquareAlg(x, y, r, w, h, _fgColor, kFillForeground);
+ break;
+
+ case kFillBackground:
+ VectorRendererSpec::drawRoundedSquareAlg(x, y, r, w, h, _bgColor, kFillBackground);
+ drawRoundedSquareAlg(x, y, r, w, h, _fgColor, kFillDisabled);
+ break;
+
+ case kFillGradient:
+ if (Base::_strokeWidth > 1) {
+ drawRoundedSquareAlg(x, y, r, w, h, _fgColor, kFillForeground);
+ VectorRendererSpec::drawRoundedSquareAlg(x + Base::_strokeWidth/2, y + Base::_strokeWidth/2,
+ r - Base::_strokeWidth/2, w - Base::_strokeWidth, h - Base::_strokeWidth, 0, kFillGradient);
+ } else {
+ VectorRendererSpec::drawRoundedSquareAlg(x, y, r, w, h, 0, kFillGradient);
+ if (Base::_strokeWidth)
+ drawRoundedSquareAlg(x, y, r, w, h, _fgColor, kFillDisabled);
+ }
+ break;
+ }
+}
+
+template<typename PixelType, typename PixelFormat>
+void VectorRendererSpec<PixelType, PixelFormat>::
+drawTriangle(int x, int y, int w, int h, TriangleOrientation orient) {
+ if (x + w > Base::_activeSurface->w || y + h > Base::_activeSurface->h)
+ return;
+
+ PixelType color = 0;
+
+ if (Base::_strokeWidth <= 1) {
+ if (Base::_fillMode == kFillForeground)
+ color = _fgColor;
+ else if (Base::_fillMode == kFillBackground)
+ color = _bgColor;
+ } else {
+ if (Base::_fillMode == kFillDisabled)
+ return;
+ color = _fgColor;
+ }
+
+ switch(orient) {
+ case kTriangleUp:
+ case kTriangleDown:
+ drawTriangleVertAlg(x, y, w, h, (orient == kTriangleDown), color, Base::_fillMode);
+ break;
+
+ case kTriangleLeft:
+ case kTriangleRight:
+ break;
+ }
+
+ if (Base::_strokeWidth > 0)
+ if (Base::_fillMode == kFillBackground || Base::_fillMode == kFillGradient)
+ drawTriangleVertAlg(x, y, w, h, (orient == kTriangleDown), _fgColor, kFillDisabled);
+}
+
+/********************************************************************
+ * Aliased Primitive drawing ALGORITHMS - VectorRendererSpec
+ ********************************************************************/
+/** SQUARE ALGORITHM **/
+template<typename PixelType, typename PixelFormat>
+void VectorRendererSpec<PixelType, PixelFormat>::
+drawSquareAlg(int x, int y, int w, int h, PixelType color, VectorRenderer::FillMode fill_m) {
+ PixelType *ptr = (PixelType *)_activeSurface->getBasePtr(x, y);
+ int pitch = Base::surfacePitch();
+ int max_h = h;
+
+ if (fill_m != kFillDisabled) {
+ while (h--) {
+ if (fill_m == kFillGradient)
+ color = calcGradient(max_h - h, max_h);
+
+ colorFill(ptr, ptr + w, color);
+ ptr += pitch;
+ }
+ } else {
+ int sw = Base::_strokeWidth, sp = 0, hp = pitch * (h - 1);
+
+ while (sw--) {
+ colorFill(ptr + sp, ptr + w + sp, color);
+ colorFill(ptr + hp - sp, ptr + w + hp - sp, color);
+ sp += pitch;
+ }
+
+ while (h--) {
+ colorFill(ptr, ptr + Base::_strokeWidth, color);
+ colorFill(ptr + w - Base::_strokeWidth, ptr + w, color);
+ ptr += pitch;
+ }
+ }
+}
+
+/** SQUARE ALGORITHM **/
+template<typename PixelType, typename PixelFormat>
+void VectorRendererSpec<PixelType, PixelFormat>::
+drawBevelSquareAlg(int x, int y, int w, int h, int bevel, PixelType top_color, PixelType bottom_color) {
+ PixelType *ptr_left = (PixelType *)_activeSurface->getBasePtr(x, y);
+ int pitch = Base::surfacePitch();
+ int i, j;
+
+ i = bevel;
+ while (i--) {
+ colorFill(ptr_left, ptr_left + w, top_color);
+ ptr_left += pitch;
+ }
+
+ i = h - bevel;
+ ptr_left = (PixelType *)_activeSurface->getBasePtr(x, y + bevel);
+ while (i--) {
+ colorFill(ptr_left, ptr_left + bevel, top_color);
+ ptr_left += pitch;
+ }
+
+ i = bevel;
+ ptr_left = (PixelType *)_activeSurface->getBasePtr(x, y + h - bevel);
+ while (i--) {
+ colorFill(ptr_left + i, ptr_left + w, bottom_color);
+ ptr_left += pitch;
+ }
+
+ i = h - bevel;
+ j = bevel;
+ ptr_left = (PixelType *)_activeSurface->getBasePtr(x + w - bevel, y);
+ while (i--) {
+ colorFill(ptr_left + j, ptr_left + bevel, bottom_color);
+ if (j > 0) j--;
+ ptr_left += pitch;
+ }
+}
+
+/** GENERIC LINE ALGORITHM **/
+template<typename PixelType, typename PixelFormat>
+void VectorRendererSpec<PixelType,PixelFormat>::
+drawLineAlg(int x1, int y1, int x2, int y2, int dx, int dy, PixelType color) {
+ PixelType *ptr = (PixelType *)_activeSurface->getBasePtr(x1, y1);
+ int pitch = Base::surfacePitch();
+ int xdir = (x2 > x1) ? 1 : -1;
+
+ *ptr = (PixelType)color;
+
+ if (dx > dy) {
+ int ddy = dy * 2;
+ int dysub = ddy - (dx * 2);
+ int error_term = ddy - dx;
+
+ while (dx--) {
+ if (error_term >= 0) {
+ ptr += pitch;
+ error_term += dysub;
+ } else {
+ error_term += ddy;
+ }
+
+ ptr += xdir;
+ *ptr = (PixelType)color;
+ }
+ } else {
+ int ddx = dx * 2;
+ int dxsub = ddx - (dy * 2);
+ int error_term = ddx - dy;
+
+ while (dy--) {
+ if (error_term >= 0) {
+ ptr += xdir;
+ error_term += dxsub;
+ } else {
+ error_term += ddx;
+ }
+
+ ptr += pitch;
+ *ptr = (PixelType)color;
+ }
+ }
+
+ ptr = (PixelType *)_activeSurface->getBasePtr(x2, y2);
+ *ptr = (PixelType)color;
+}
+
+/** VERTICAL TRIANGLE DRAWING ALGORITHM **/
+template<typename PixelType, typename PixelFormat>
+void VectorRendererSpec<PixelType,PixelFormat>::
+drawTriangleVertAlg(int x1, int y1, int w, int h, bool inverted, PixelType color, VectorRenderer::FillMode fill_m) {
+ int dx = w >> 1, dy = h, gradient_h = 0;
+ int pitch = Base::surfacePitch();
+ PixelType *ptr_right = 0, *ptr_left = 0;
+
+ if (inverted) {
+ ptr_right = (PixelType *)_activeSurface->getBasePtr(x1, y1);
+ ptr_left = (PixelType *)_activeSurface->getBasePtr(x1 + w, y1);
+ } else {
+ ptr_right = ptr_left = (PixelType *)_activeSurface->getBasePtr(x1 + dx, y1);
+ }
+
+ if (dx > dy) {
+ int ddy = dy * 2;
+ int dysub = ddy - (dx * 2);
+ int error_term = ddy - dx;
+
+ switch(fill_m) {
+ case kFillDisabled:
+ while (dx--) {
+ __TRIANGLE_MAINX();
+ *ptr_right = color;
+ *ptr_left = color;
+ }
+ colorFill(ptr_left, ptr_right, color);
+ break;
+
+ case kFillForeground:
+ case kFillBackground:
+ while (dx--) {
+ __TRIANGLE_MAINX();
+ if (inverted) colorFill(ptr_right, ptr_left, color);
+ else colorFill(ptr_left, ptr_right, color);
+ }
+ break;
+
+ case kFillGradient:
+ while (dx--) {
+ __TRIANGLE_MAINX();
+ if (inverted) colorFill(ptr_right, ptr_left, calcGradient(gradient_h++, h));
+ else colorFill(ptr_left, ptr_right, calcGradient(gradient_h++, h));
+ }
+ break;
+ }
+ } else {
+ int ddx = dx * 2;
+ int dxsub = ddx - (dy * 2);
+ int error_term = ddx - dy;
+
+ switch(fill_m) {
+ case kFillDisabled:
+ while (dy--) {
+ __TRIANGLE_MAINY();
+ *ptr_right = color;
+ *ptr_left = color;
+ }
+ colorFill(ptr_left, ptr_right, color);
+ break;
+
+ case kFillForeground:
+ case kFillBackground:
+ while (dy--) {
+ __TRIANGLE_MAINY();
+ if (inverted) colorFill(ptr_right, ptr_left, color);
+ else colorFill(ptr_left, ptr_right, color);
+ }
+ break;
+ case kFillGradient:
+ while (dy--) {
+ __TRIANGLE_MAINY();
+ if (inverted) colorFill(ptr_right, ptr_left, calcGradient(gradient_h++, h));
+ else colorFill(ptr_left, ptr_right, calcGradient(gradient_h++, h));
+ }
+ break;
+ }
+ }
+}
+
+
+/** ROUNDED SQUARE ALGORITHM **/
+template<typename PixelType, typename PixelFormat>
+void VectorRendererSpec<PixelType, PixelFormat>::
+drawRoundedSquareAlg(int x1, int y1, int r, int w, int h, PixelType color, VectorRenderer::FillMode fill_m) {
+ int f, ddF_x, ddF_y;
+ int x, y, px, py;
+ int pitch = Base::surfacePitch();
+ int sw = 0, sp = 0, hp = h * pitch;
+
+ PixelType *ptr_tl = (PixelType *)Base::_activeSurface->getBasePtr(x1 + r, y1 + r);
+ PixelType *ptr_tr = (PixelType *)Base::_activeSurface->getBasePtr(x1 + w - r, y1 + r);
+ PixelType *ptr_bl = (PixelType *)Base::_activeSurface->getBasePtr(x1 + r, y1 + h - r);
+ PixelType *ptr_br = (PixelType *)Base::_activeSurface->getBasePtr(x1 + w - r, y1 + h - r);
+ PixelType *ptr_fill = (PixelType *)Base::_activeSurface->getBasePtr(x1, y1);
+
+ int real_radius = r;
+ int short_h = h - (2 * r) + 2;
+ int long_h = h;
+
+ if (fill_m == kFillDisabled) {
+ while (sw++ < Base::_strokeWidth) {
+ colorFill(ptr_fill + sp + r, ptr_fill + w + 1 + sp - r, color);
+ colorFill(ptr_fill + hp - sp + r, ptr_fill + w + hp + 1 - sp - r, color);
+ sp += pitch;
+
+ __BE_RESET();
+ r--;
+
+ while (x++ < y) {
+ __BE_ALGORITHM();
+ __BE_DRAWCIRCLE(ptr_tr, ptr_tl, ptr_bl, ptr_br, x, y, px, py);
+
+ if (Base::_strokeWidth > 1) {
+ __BE_DRAWCIRCLE(ptr_tr, ptr_tl, ptr_bl, ptr_br, x - 1, y, px, py);
+ __BE_DRAWCIRCLE(ptr_tr, ptr_tl, ptr_bl, ptr_br, x, y, px - pitch, py);
+ }
+ }
+ }
+
+ ptr_fill += pitch * real_radius;
+ while (short_h--) {
+ colorFill(ptr_fill, ptr_fill + Base::_strokeWidth, color);
+ colorFill(ptr_fill + w - Base::_strokeWidth + 1, ptr_fill + w + 1, color);
+ ptr_fill += pitch;
+ }
+ } else {
+ __BE_RESET();
+
+ if (fill_m == kFillGradient) {
+ while (x++ < y) {
+ __BE_ALGORITHM();
+ colorFill(ptr_tl - x - py, ptr_tr + x - py, calcGradient(real_radius - y, long_h));
+ colorFill(ptr_tl - y - px, ptr_tr + y - px, calcGradient(real_radius - x, long_h));
+
+ colorFill(ptr_bl - x + py, ptr_br + x + py, calcGradient(long_h - r + y, long_h));
+ colorFill(ptr_bl - y + px, ptr_br + y + px, calcGradient(long_h - r + x, long_h));
+ }
+ } else {
+ while (x++ < y) {
+ __BE_ALGORITHM();
+
+ colorFill(ptr_tl - x - py, ptr_tr + x - py, color);
+ colorFill(ptr_tl - y - px, ptr_tr + y - px, color);
+
+ colorFill(ptr_bl - x + py, ptr_br + x + py, color);
+ colorFill(ptr_bl - y + px, ptr_br + y + px, color);
+
+ // FIXME: maybe not needed at all?
+ __BE_DRAWCIRCLE(ptr_tr, ptr_tl, ptr_bl, ptr_br, x, y, px, py);
+ }
+ }
+
+ ptr_fill += pitch * r;
+ while (short_h--) {
+ if (fill_m == kFillGradient)
+ color = calcGradient(real_radius++, long_h);
+ colorFill(ptr_fill, ptr_fill + w + 1, color);
+ ptr_fill += pitch;
+ }
+ }
+}
+
+/** CIRCLE ALGORITHM **/
+template<typename PixelType, typename PixelFormat>
+void VectorRendererSpec<PixelType, PixelFormat>::
+drawCircleAlg(int x1, int y1, int r, PixelType color, VectorRenderer::FillMode fill_m) {
+ int f, ddF_x, ddF_y;
+ int x, y, px, py, sw = 0;
+ int pitch = Base::surfacePitch();
+ PixelType *ptr = (PixelType *)Base::_activeSurface->getBasePtr(x1, y1);
+
+ if (fill_m == kFillDisabled) {
+ while (sw++ < Base::_strokeWidth) {
+ __BE_RESET();
+ r--;
+
+ *(ptr + y) = color;
+ *(ptr - y) = color;
+ *(ptr + py) = color;
+ *(ptr - py) = color;
+
+ while (x++ < y) {
+ __BE_ALGORITHM();
+ __BE_DRAWCIRCLE(ptr, ptr, ptr, ptr, x, y, px, py);
+
+ if (Base::_strokeWidth > 1) {
+ __BE_DRAWCIRCLE(ptr, ptr, ptr, ptr, x - 1, y, px, py);
+ __BE_DRAWCIRCLE(ptr, ptr, ptr, ptr, x, y, px - pitch, py);
+ }
+ }
+ }
+ } else {
+ colorFill(ptr - r, ptr + r, color);
+ __BE_RESET();
+
+ while (x++ < y) {
+ __BE_ALGORITHM();
+ colorFill(ptr - x + py, ptr + x + py, color);
+ colorFill(ptr - x - py, ptr + x - py, color);
+ colorFill(ptr - y + px, ptr + y + px, color);
+ colorFill(ptr - y - px, ptr + y - px, color);
+ }
+ }
+}
+
+
+/********************************************************************
+ * SHADOW drawing algorithms - VectorRendererSpec
+ ********************************************************************/
+template<typename PixelType, typename PixelFormat>
+void VectorRendererSpec<PixelType, PixelFormat>::
+drawSquareShadow(int x, int y, int w, int h, int blur) {
+ PixelType *ptr = (PixelType *)_activeSurface->getBasePtr(x + w - 1, y + blur);
+ int pitch = Base::surfacePitch();
+ int i, j;
+
+ i = h - blur;
+
+ while (i--) {
+ j = blur;
+ while (j--)
+ blendPixelPtr(ptr + j, 0, ((blur - j) << 8) / blur);
+ ptr += pitch;
+ }
+
+ ptr = (PixelType *)_activeSurface->getBasePtr(x + blur, y + h - 1);
+
+ while (i++ < blur) {
+ j = w - blur;
+ while (j--)
+ blendPixelPtr(ptr + j, 0, ((blur - i) << 8) / blur);
+ ptr += pitch;
+ }
+
+ ptr = (PixelType *)_activeSurface->getBasePtr(x + w, y + h);
+
+ i = 0;
+ while (i++ < blur) {
+ j = blur - 1;
+ while (j--)
+ blendPixelPtr(ptr + j, 0, (((blur - j) * (blur - i)) << 8) / (blur * blur));
+ ptr += pitch;
+ }
+}
+
+template<typename PixelType, typename PixelFormat>
+void VectorRendererSpec<PixelType, PixelFormat>::
+drawRoundedSquareShadow(int x1, int y1, int r, int w, int h, int blur) {
+ int f, ddF_x, ddF_y;
+ int x, y, px, py;
+ int pitch = Base::surfacePitch();
+ int alpha = 102;
+
+ x1 += blur;
+ y1 += blur;
+
+ PixelType *ptr_tr = (PixelType *)Base::_activeSurface->getBasePtr(x1 + w - r, y1 + r);
+ PixelType *ptr_bl = (PixelType *)Base::_activeSurface->getBasePtr(x1 + r, y1 + h - r);
+ PixelType *ptr_br = (PixelType *)Base::_activeSurface->getBasePtr(x1 + w - r, y1 + h - r);
+ PixelType *ptr_fill = (PixelType *)Base::_activeSurface->getBasePtr(x1 + w - blur, y1 + r);
+
+ int short_h = h - (2 * r) + 1;
+
+ __BE_RESET();
+
+ // HACK: As we are drawing circles exploting 8-axis symmetry,
+ // there are 4 pixels on each circle which are drawn twice.
+ // this is ok on filled circles, but when blending on surfaces,
+ // we cannot let it blend twice. awful.
+ bool *hb = new bool[r];
+
+ int i = 0;
+ while (i < r)
+ hb[i++] = false;
+
+ while (x++ < y) {
+ __BE_ALGORITHM();
+
+ if (!hb[x]) {
+ blendFill(ptr_tr - px - r, ptr_tr + y - px, 0, alpha);
+ blendFill(ptr_bl - y + px, ptr_br + y + px, 0, alpha);
+ hb[x] = true;
+ }
+
+ if (!hb[y]) {
+ blendFill(ptr_tr - r - py, ptr_tr + x - py, 0, alpha);
+ blendFill(ptr_bl - x + py, ptr_br + x + py, 0, alpha);
+ hb[y] = true;
+ }
+ }
+
+ delete[] hb;
+
+ while (short_h--) {
+ blendFill(ptr_fill - r, ptr_fill + blur, 0, alpha);
+ ptr_fill += pitch;
+ }
+}
+
+
+/********************************************************************
+ * ANTIALIASED PRIMITIVES drawing algorithms - VectorRendererAA
+ ********************************************************************/
+/** LINES **/
+template<typename PixelType, typename PixelFormat>
+void VectorRendererAA<PixelType, PixelFormat>::
+drawLineAlg(int x1, int y1, int x2, int y2, int dx, int dy, PixelType color) {
+
+ PixelType *ptr = (PixelType *)Base::_activeSurface->getBasePtr(x1, y1);
+ int pitch = Base::surfacePitch();
+ int xdir = (x2 > x1) ? 1 : -1;
+ uint16 error_tmp, error_acc, gradient;
+ uint8 alpha;
+
+ *ptr = (PixelType)color;
+
+ if (dx > dy) {
+ gradient = (uint32)(dy << 16) / (uint32)dx;
+ error_acc = 0;
+
+ while (--dx) {
+ error_tmp = error_acc;
+ error_acc += gradient;
+
+ if (error_acc <= error_tmp)
+ ptr += pitch;
+
+ ptr += xdir;
+ alpha = (error_acc >> 8);
+
+ blendPixelPtr(ptr, color, ~alpha);
+ blendPixelPtr(ptr + pitch, color, alpha);
+ }
+ } else {
+ gradient = (uint32)(dx << 16) / (uint32)dy;
+ error_acc = 0;
+
+ while (--dy) {
+ error_tmp = error_acc;
+ error_acc += gradient;
+
+ if (error_acc <= error_tmp)
+ ptr += xdir;
+
+ ptr += pitch;
+ alpha = (error_acc >> 8);
+
+ blendPixelPtr(ptr, color, ~alpha);
+ blendPixelPtr(ptr + xdir, color, alpha);
+ }
+ }
+
+ Base::putPixel(x2, y2, color);
+}
+
+/** ROUNDED SQUARES **/
+template<typename PixelType, typename PixelFormat>
+void VectorRendererAA<PixelType, PixelFormat>::
+drawRoundedSquareAlg(int x1, int y1, int r, int w, int h, PixelType color, VectorRenderer::FillMode fill_m) {
+ int x, y;
+ int p = Base::surfacePitch(), px, py;
+ int sw = 0, sp = 0, hp = h * p;
+
+ uint32 rsq = (r * r) << 16;
+ uint32 T = 0, oldT;
+ uint8 a1, a2;
+
+ PixelType *ptr_tl = (PixelType *)Base::_activeSurface->getBasePtr(x1 + r, y1 + r);
+ PixelType *ptr_tr = (PixelType *)Base::_activeSurface->getBasePtr(x1 + w - r, y1 + r);
+ PixelType *ptr_bl = (PixelType *)Base::_activeSurface->getBasePtr(x1 + r, y1 + h - r);
+ PixelType *ptr_br = (PixelType *)Base::_activeSurface->getBasePtr(x1 + w - r, y1 + h - r);
+ PixelType *ptr_fill = (PixelType *)Base::_activeSurface->getBasePtr(x1, y1);
+
+ int short_h = h - 2 * r;
+
+ if (fill_m == VectorRenderer::kFillDisabled) {
+ while (sw++ < Base::_strokeWidth) {
+ colorFill(ptr_fill + sp + r, ptr_fill + w + 1 + sp - r, color);
+ colorFill(ptr_fill + hp - sp + r, ptr_fill + w + hp + 1 - sp - r, color);
+ sp += p;
+
+ x = r - (sw - 1); y = 0; T = 0;
+ px = p * x; py = 0;
+
+ while (x > y++) {
+ __WU_ALGORITHM();
+
+ if (sw != 1 && sw != Base::_strokeWidth)
+ a2 = a1 = 255;
+
+ __WU_DRAWCIRCLE(ptr_tr, ptr_tl, ptr_bl, ptr_br, (x - 1), y, (px - p), py, a2);
+ __WU_DRAWCIRCLE(ptr_tr, ptr_tl, ptr_bl, ptr_br, x, y, px, py, a1);
+ }
+ }
+
+ ptr_fill += p * r;
+ while (short_h-- >= 0) {
+ colorFill(ptr_fill, ptr_fill + Base::_strokeWidth, color);
+ colorFill(ptr_fill + w - Base::_strokeWidth + 1, ptr_fill + w + 1, color);
+ ptr_fill += p;
+ }
+ } else {
+ x = r; y = 0; T = 0;
+ px = p * x; py = 0;
+
+ while (x > y++) {
+ __WU_ALGORITHM();
+
+ colorFill(ptr_tl - x - py, ptr_tr + x - py, color);
+ colorFill(ptr_tl - y - px, ptr_tr + y - px, color);
+
+ colorFill(ptr_bl - x + py, ptr_br + x + py, color);
+ colorFill(ptr_bl - y + px, ptr_br + y + px, color);
+
+ __WU_DRAWCIRCLE(ptr_tr, ptr_tl, ptr_bl, ptr_br, x, y, px, py, a1);
+ }
+
+ ptr_fill += p * r;
+ while (short_h-- >= 0) {
+ colorFill(ptr_fill, ptr_fill + w + 1, color);
+ ptr_fill += p;
+ }
+ }
+}
+
+/** CIRCLES **/
+template<typename PixelType, typename PixelFormat>
+void VectorRendererAA<PixelType, PixelFormat>::
+drawCircleAlg(int x1, int y1, int r, PixelType color, VectorRenderer::FillMode fill_m) {
+ int x, y, sw = 0;
+ int p = Base::surfacePitch(), px, py;
+
+ uint32 rsq = (r * r) << 16;
+ uint32 T = 0, oldT;
+ uint8 a1, a2;
+
+ PixelType *ptr = (PixelType *)Base::_activeSurface->getBasePtr(x1, y1);
+
+ if (fill_m == VectorRenderer::kFillDisabled) {
+ while (sw++ < Base::_strokeWidth) {
+ x = r - (sw - 1); y = 0; T = 0;
+ px = p * x; py = 0;
+
+ *(ptr + x) = (PixelType)color;
+ *(ptr - x) = (PixelType)color;
+ *(ptr + px) = (PixelType)color;
+ *(ptr - px) = (PixelType)color;
+
+ while (x > y++) {
+ __WU_ALGORITHM();
+
+ if (sw != 1 && sw != Base::_strokeWidth)
+ a2 = a1 = 255;
+
+ __WU_DRAWCIRCLE(ptr, ptr, ptr, ptr, (x - 1), y, (px - p), py, a2);
+ __WU_DRAWCIRCLE(ptr, ptr, ptr, ptr, x, y, px, py, a1);
+ }
+ }
+ } else {
+ colorFill(ptr - r, ptr + r + 1, color);
+ x = r; y = 0; T = 0;
+ px = p * x; py = 0;
+
+ while (x > y++) {
+ __WU_ALGORITHM();
+
+ colorFill(ptr - x + py, ptr + x + py, color);
+ colorFill(ptr - x - py, ptr + x - py, color);
+ colorFill(ptr - y + px, ptr + y + px, color);
+ colorFill(ptr - y - px, ptr + y - px, color);
+
+ __WU_DRAWCIRCLE(ptr, ptr, ptr, ptr, x, y, px, py, a1);
+ }
+ }
+}
+
+} // end of namespace Graphics
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 23:02:37 +0000