From b53220d2cc97afa1ecc1a3b499a8571a5e8885e4 Mon Sep 17 00:00:00 2001 From: Vicent Marti Date: Sun, 31 Aug 2008 13:51:48 +0000 Subject: Split VectorRenderer interface from custom vector renderers. svn-id: r34226 --- graphics/VectorRenderer.cpp | 1312 ------------------------------------------- 1 file changed, 1312 deletions(-) (limited to 'graphics/VectorRenderer.cpp') diff --git a/graphics/VectorRenderer.cpp b/graphics/VectorRenderer.cpp index 655602ef20..ae72ce0ce1 100644 --- a/graphics/VectorRenderer.cpp +++ b/graphics/VectorRenderer.cpp @@ -37,19 +37,6 @@ namespace Graphics { -VectorRenderer *createRenderer(int mode) { - switch (mode) { - case GUI::ThemeRenderer::kGfxStandard16bit: - return new VectorRendererSpec >; - - case GUI::ThemeRenderer::kGfxAntialias16bit: - return new VectorRendererAA >; - - default: - return 0; - } -} - const VectorRenderer::ConvolutionDataSet VectorRenderer::_convolutionData[VectorRenderer::kConvolutionMAX] = { { {{1, 1, 1}, {1, 8, 1}, {1, 1, 1}}, 16, 0 }, // soft blur matrix { {{2, 2, 2}, {2, 2, 2}, {2, 2, 2}}, 18, 0 }, // hard blur matrix @@ -169,1303 +156,4 @@ void VectorRenderer::stepGetPositions(const DrawStep &step, const Common::Rect & } } -/******************************************************************** - * MISCELANEOUS functions - ********************************************************************/ -template -void VectorRendererSpec:: -areaConvolution(const Common::Rect &area, const int filter[3][3], int filterDiv, int offset) { - PixelType *ptr = 0; - int newR, newG, newB; - uint8 r, g, b; - int yVal; - - for (int y = area.top; y < area.bottom; ++y) { - for (int x = area.left; x < area.right; ++x) { - newR = newG = newB = 0; - - for (int j = 0; j < 3; ++j) { - yVal = MIN(MAX(y - 1 + j, 0), area.bottom - 1); - - for (int i = 0; i < 3; ++i) { - ptr = (PixelType *)Base::_activeSurface->getBasePtr(MIN(MAX(x - 1 + j, 0), area.right - 1), yVal); - colorToRGB((uint32)*ptr, r, g, b); - - newR += r * filter[j][i]; - newG += g * filter[j][i]; - newB += b * filter[j][i]; - } - } - - newR = (newR / filterDiv) + offset; - newG = (newG / filterDiv) + offset; - newB = (newB / filterDiv) + offset; - - ptr = (PixelType *)Base::_activeSurface->getBasePtr(x, y); - *ptr = RGBToColor(CLIP(newR, 0, 255), CLIP(newG, 0, 255), CLIP(newB, 0, 255)); - } - } -} - -/** 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_DRAWCIRCLE_XCOLOR(ptr1,ptr2,ptr3,ptr4,x,y,px,py) { \ - *(ptr1 + (y) - (px)) = color1; \ - *(ptr1 + (x) - (py)) = color2; \ - *(ptr2 - (x) - (py)) = color2; \ - *(ptr2 - (y) - (px)) = color1; \ - *(ptr3 - (y) + (px)) = color3; \ - *(ptr3 - (x) + (py)) = color4; \ - *(ptr4 + (x) + (py)) = color4; \ - *(ptr4 + (y) + (px)) = color3; \ -} - -#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 - ********************************************************************/ -template -void VectorRendererSpec:: -drawString(const Graphics::Font *font, const Common::String &text, const Common::Rect &area, - GUI::Theme::TextAlign alignH, GUI::Theme::TextAlignVertical alignV, int deltax, bool ellipsis) { - - int offset = area.top; - - if (font->getFontHeight() < area.height()) { - switch (alignV) { - case GUI::Theme::kTextAlignVCenter: - offset = area.top + ((area.height() - font->getFontHeight()) >> 1); - break; - case GUI::Theme::kTextAlignVBottom: - offset = area.bottom - font->getFontHeight(); - break; - default: - break; - } - } - - font->drawString(_activeSurface, text, area.left, offset, area.width(), _fgColor, (Graphics::TextAlignment)alignH, deltax, ellipsis); -} - -/** LINES **/ -template -void VectorRendererSpec:: -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(); - int st = Base::_strokeWidth >> 1; - - if (dy == 0) { // horizontal lines - // these can be filled really fast with a single memset. - colorFill(ptr, ptr + dx + 1, (PixelType)_fgColor); - - for (int i = 0, p = pitch; i < st; ++i, p += pitch) { - colorFill(ptr + p, ptr + dx + 1 + p, (PixelType)_fgColor); - colorFill(ptr - p, ptr + dx + 1 - p, (PixelType)_fgColor); - } - - } else if (dx == 0) { // vertical lines - // these ones use a static pitch increase. - while (y1++ <= y2) { - colorFill(ptr - st, ptr + st, (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--) { - colorFill(ptr - st, ptr + st, (PixelType)_fgColor); - ptr += pitch; - } - - } else { // generic lines, use the standard algorithm... - drawLineAlg(x1, y1, x2, y2, dx, dy, (PixelType)_fgColor); - } -} - -/** CIRCLES **/ -template -void VectorRendererSpec:: -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 -void VectorRendererSpec:: -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 -void VectorRendererSpec:: -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) - return; - - if ((r << 1) > w || (r << 1) > h) - r = MIN(w >> 1, h >> 1); - - 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; - } - - if (Base::_bevel) - drawRoundedSquareFakeBevel(x, y, r, w, h, Base::_bevel); -} - -template -void VectorRendererSpec:: -drawTab(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 > w || r > h) - return; - - if (r == 0 && Base::_bevel > 0) { - drawBevelTabAlg(x, y, w, h, Base::_bevel, _bevelColor, _fgColor, (Base::_dynamicData >> 16), (Base::_dynamicData & 0xFFFF)); - return; - } - - if (r == 0) return; - - switch (Base::_fillMode) { - case kFillDisabled: - return; - - case kFillGradient: - case kFillBackground: - drawTabAlg(x, y, w, h, r, (Base::_fillMode == kFillBackground) ? _bgColor : _fgColor, Base::_fillMode); - if (Base::_strokeWidth) - drawTabAlg(x, y, w, h, r, _fgColor, kFillDisabled, (Base::_dynamicData >> 16), (Base::_dynamicData & 0xFFFF)); - break; - - case kFillForeground: - drawTabAlg(x, y, w, h, r, (Base::_fillMode == kFillBackground) ? _bgColor : _fgColor, Base::_fillMode); - break; - } -} - -template -void VectorRendererSpec:: -drawTriangle(int x, int y, int w, int h, TriangleOrientation orient) { - // Awesome hack: the AA messes up the last pixel triangles if their width is even - // ...fix the width instead of fixing the AA :p - // if (w % 2 == 0) { - // w++; h++; - // } - - 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; - } - - if (Base::_dynamicData != 0) - orient = (TriangleOrientation)Base::_dynamicData; - - int newW = w / 2; - if (newW % 2) newW++; - - switch(orient) { - case kTriangleUp: - case kTriangleDown: - drawTriangleFast(x + (newW / 2), y + (h / 2) - (newW / 2), newW, (orient == kTriangleDown), color, Base::_fillMode); - break; - - case kTriangleLeft: - case kTriangleRight: - case kTriangleAuto: - break; - } - - if (Base::_strokeWidth > 0) - if (Base::_fillMode == kFillBackground || Base::_fillMode == kFillGradient) { - drawTriangleFast(x + (newW / 2), y + (h / 2) - (newW / 2), newW, (orient == kTriangleDown), _fgColor, kFillDisabled); - } -} - -/******************************************************************** - * Aliased Primitive drawing ALGORITHMS - VectorRendererSpec - ********************************************************************/ -/** TAB ALGORITHM - NON AA */ -template -void VectorRendererSpec:: -drawTabAlg(int x1, int y1, int w, int h, int r, PixelType color, VectorRenderer::FillMode fill_m, int baseLeft, int baseRight) { - int f, ddF_x, ddF_y; - int x, y, px, py; - int pitch = Base::surfacePitch(); - int sw = 0, sp = 0, hp = 0; - - 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_fill = (PixelType *)Base::_activeSurface->getBasePtr(x1, y1); - - int real_radius = r; - int short_h = h - 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(); - *(ptr_tr + (y) - (px)) = color; - *(ptr_tr + (x) - (py)) = color; - *(ptr_tl - (x) - (py)) = color; - *(ptr_tl - (y) - (px)) = color; - - if (Base::_strokeWidth > 1) { - *(ptr_tr + (y) - (px - pitch)) = color; - *(ptr_tr + (x) - (py)) = color; - *(ptr_tl - (x) - (py)) = color; - *(ptr_tl - (y) - (px - pitch)) = color; - } - } - } - - ptr_fill += pitch * real_radius; - while (short_h--) { - colorFill(ptr_fill, ptr_fill + Base::_strokeWidth - 1, color); - colorFill(ptr_fill + w - Base::_strokeWidth + 2, ptr_fill + w, color); - ptr_fill += pitch; - } - - if (baseLeft) { - sw = 0; - ptr_fill = (PixelType *)Base::_activeSurface->getBasePtr(x1, y1 + h); - while (sw++ < Base::_strokeWidth) { - colorFill(ptr_fill - baseLeft, ptr_fill, color); - ptr_fill += pitch; - } - } - - if (baseRight) { - sw = 0; - ptr_fill = (PixelType *)Base::_activeSurface->getBasePtr(x1 + w, y1 + h); - while (sw++ < Base::_strokeWidth) { - colorFill(ptr_fill, ptr_fill + baseRight, color); - ptr_fill += pitch; - } - } - } else { - __BE_RESET(); - - PixelType color1, color2; - color1 = color2 = color; - - while (x++ < y) { - __BE_ALGORITHM(); - - if (fill_m == kFillGradient) { - color1 = calcGradient(real_radius - x, long_h); - color2 = calcGradient(real_radius - y, long_h); - } - - colorFill(ptr_tl - x - py, ptr_tr + x - py, color2); - colorFill(ptr_tl - y - px, ptr_tr + y - px, color1); - - *(ptr_tr + (y) - (px)) = color1; - *(ptr_tr + (x) - (py)) = color2; - *(ptr_tl - (x) - (py)) = color2; - *(ptr_tl - (y) - (px)) = color1; - } - - 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; - } - } -} - - -/** BEVELED TABS FOR CLASSIC THEME **/ -template -void VectorRendererSpec:: -drawBevelTabAlg(int x, int y, int w, int h, int bevel, PixelType top_color, PixelType bottom_color, int baseLeft, int baseRight) { - int pitch = Base::surfacePitch(); - int i, j; - - PixelType *ptr_left = (PixelType *)_activeSurface->getBasePtr(x, y); - - i = bevel; - while (i--) { - colorFill(ptr_left, ptr_left + w, top_color); - ptr_left += pitch; - } - - if (baseLeft > 0) { - i = h - bevel; - ptr_left = (PixelType *)_activeSurface->getBasePtr(x, y); - while (i--) { - colorFill(ptr_left, ptr_left + bevel, top_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; - } - - i = bevel; - ptr_left = (PixelType *)_activeSurface->getBasePtr(x + w - bevel, y + h - bevel); - while (i--) { - colorFill(ptr_left, ptr_left + baseRight + bevel, bottom_color); - - if (baseLeft) - colorFill(ptr_left - w - baseLeft + bevel, ptr_left - w + bevel + bevel, top_color); - ptr_left += pitch; - } -} - -/** SQUARE ALGORITHM **/ -template -void VectorRendererSpec:: -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 -void VectorRendererSpec:: -drawBevelSquareAlg(int x, int y, int w, int h, int bevel, PixelType top_color, PixelType bottom_color, bool fill) { - int pitch = Base::surfacePitch(); - - int height = h; - PixelType *ptr_fill = (PixelType *)_activeSurface->getBasePtr(x, y); - - if (fill) { - while (height--) { - blendFill(ptr_fill, ptr_fill + w, _bgColor, 200); - ptr_fill += pitch; - } - } - - int i, j; - x = MAX(x - bevel, 0); - y = MAX(y - bevel, 0); - h += bevel << 1; - w += bevel << 1; - - PixelType *ptr_left = (PixelType *)_activeSurface->getBasePtr(x, y); - - 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 -void VectorRendererSpec:: -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 -void VectorRendererSpec:: -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; - } - } -} - - -/** VERTICAL TRIANGLE DRAWING - FAST VERSION FOR SQUARED TRIANGLES */ -template -void VectorRendererSpec:: -drawTriangleFast(int x1, int y1, int size, bool inverted, PixelType color, VectorRenderer::FillMode fill_m) { - int pitch = Base::surfacePitch(); - int hstep = 0, dy = size; - bool grad = (fill_m == kFillGradient); - - PixelType *ptr_right = 0, *ptr_left = 0; - - if (inverted) { - ptr_left = (PixelType *)_activeSurface->getBasePtr(x1, y1); - ptr_right = (PixelType *)_activeSurface->getBasePtr(x1 + size, y1); - } else { - ptr_left = (PixelType *)_activeSurface->getBasePtr(x1, y1 + size); - ptr_right = (PixelType *)_activeSurface->getBasePtr(x1 + size, y1 + size); - pitch = -pitch; - } - - if (fill_m == kFillDisabled) { - while (ptr_left < ptr_right) { - *ptr_left = color; - *ptr_right = color; - ptr_left += pitch; - ptr_right += pitch; - if (hstep++ % 2) { - ptr_left++; - ptr_right--; - } - } - } else { - while (ptr_left < ptr_right) { - colorFill(ptr_left, ptr_right, grad ? calcGradient(dy--, size) : color); - ptr_left += pitch; - ptr_right += pitch; - if (hstep++ % 2) { - ptr_left++; - ptr_right--; - } - } - } -} - -/** ROUNDED SQUARE ALGORITHM **/ -template -void VectorRendererSpec:: -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; - -// if (r < 8) r = 3; - - 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(); - PixelType color1, color2, color3, color4; - - if (fill_m == kFillGradient) { - while (x++ < y) { - __BE_ALGORITHM(); - - color1 = calcGradient(real_radius - x, long_h); - color2 = calcGradient(real_radius - y, long_h); - color3 = calcGradient(long_h - r + x, long_h); - color4 = calcGradient(long_h - r + y, long_h); - - colorFill(ptr_tl - x - py, ptr_tr + x - py, color2); - colorFill(ptr_tl - y - px, ptr_tr + y - px, color1); - - colorFill(ptr_bl - x + py, ptr_br + x + py, color4); - colorFill(ptr_bl - y + px, ptr_br + y + px, color3); - - __BE_DRAWCIRCLE_XCOLOR(ptr_tr, ptr_tl, ptr_bl, ptr_br, x, y, px, py); - } - } 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); - - // do not remove - messes up the drawing at lower resolutions - __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 -void VectorRendererSpec:: -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 -void VectorRendererSpec:: -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 -void VectorRendererSpec:: -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. - uint32 hb = 0; - - while (x++ < y) { - __BE_ALGORITHM(); - - if (((1 << x) & hb) == 0) { - blendFill(ptr_tr - px - r, ptr_tr + y - px, 0, alpha); - blendFill(ptr_bl - y + px, ptr_br + y + px, 0, alpha); - hb |= (1 << x); - } - - if (((1 << y) & hb) == 0) { - blendFill(ptr_tr - r - py, ptr_tr + x - py, 0, alpha); - blendFill(ptr_bl - x + py, ptr_br + x + py, 0, alpha); - hb |= (1 << y); - } - } - - while (short_h--) { - blendFill(ptr_fill - r, ptr_fill + blur, 0, alpha); - ptr_fill += pitch; - } -} - -template -void VectorRendererSpec:: -drawRoundedSquareFakeBevel(int x1, int y1, int r, int w, int h, int amount) { - int x, y; - int p = Base::surfacePitch(), px, py; - int sw = 0, sp = 0; - - uint32 rsq = (r * r) << 16; - uint32 T = 0, oldT; - uint8 a1, a2; - - PixelType color = _bevelColor; //RGBToColor(63, 60, 17); - - 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_fill = (PixelType *)Base::_activeSurface->getBasePtr(x1, y1); - - int short_h = h - 2 * r; - - while (sw++ < amount) { - colorFill(ptr_fill + sp + r, ptr_fill + w + 1 + sp - r, color); - sp += p; - - x = r - (sw - 1); y = 0; T = 0; - px = p * x; py = 0; - - while (x > y++) { - __WU_ALGORITHM(); - - blendPixelPtr(ptr_tr + (y) - (px - p), color, a2); - blendPixelPtr(ptr_tr + (x - 1) - (py), color, a2); - blendPixelPtr(ptr_tl - (x - 1) - (py), color, a2); - blendPixelPtr(ptr_tl - (y) - (px - p), color, a2); - blendPixelPtr(ptr_bl - (y) + (px - p), color, a2); - blendPixelPtr(ptr_bl - (x - 1) + (py), color, a2); - - blendPixelPtr(ptr_tr + (y) - (px), color, a1); - blendPixelPtr(ptr_tr + (x) - (py), color, a1); - blendPixelPtr(ptr_tl - (x) - (py), color, a1); - blendPixelPtr(ptr_tl - (y) - (px), color, a1); - blendPixelPtr(ptr_bl - (y) + (px), color, a1); - blendPixelPtr(ptr_bl - (x) + (py), color, a1); - } - } - - ptr_fill += p * r; - while (short_h-- >= 0) { - colorFill(ptr_fill, ptr_fill + amount, color); - ptr_fill += p; - } -} - - -/******************************************************************** - * ANTIALIASED PRIMITIVES drawing algorithms - VectorRendererAA - ********************************************************************/ -/** LINES **/ -template -void VectorRendererAA:: -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 -void VectorRendererAA:: -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 -void VectorRendererAA:: -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 -- cgit v1.2.3