From 96dd1cbed3fe31d42e3deec35cace115c077c3ee Mon Sep 17 00:00:00 2001 From: Vicent Marti Date: Sun, 18 May 2008 13:09:37 +0000 Subject: - Massive cleanup - Documentation update - Boundaries check svn-id: r32169 --- graphics/VectorRenderer.cpp | 591 +++++++++++++++++++++++--------------------- 1 file changed, 310 insertions(+), 281 deletions(-) (limited to 'graphics/VectorRenderer.cpp') diff --git a/graphics/VectorRenderer.cpp b/graphics/VectorRenderer.cpp index 221f525820..d626c2aa51 100644 --- a/graphics/VectorRenderer.cpp +++ b/graphics/VectorRenderer.cpp @@ -25,38 +25,19 @@ #include "common/util.h" #include "graphics/surface.h" -#include "graphics/VectorRenderer.h" #include "graphics/colormasks.h" #include "common/system.h" #include "common/events.h" -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; -} +#include "graphics/VectorRenderer.h" namespace Graphics { +/******************************************************************** + * DEBUG FUNCTIONS + ********************************************************************/ VectorRenderer *createRenderer() { - return new VectorRendererAA >; + return new VectorRendererSpec >; } @@ -114,10 +95,153 @@ void vector_renderer_test(OSystem *_system) { _system->hideOverlay(); } +/******************************************************************** + * 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; \ +} + +/******************************************************************** + * Primitive shapes drawing - Public API calls - VectorRendererSpec + ********************************************************************/ +/** 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(); + + if (dy == 0) { // horizontal lines + // these can be filled really fast with a single memset. + // TODO: Platform specific ASM in set_to, would make this thing fly + Common::set_to(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 void VectorRendererSpec:: drawCircle(int x, int y, int r) { - if (Base::_fillMode != kNoFill && Base::_shadowOffset) { + if (x + r > Base::_activeSurface->w || y + r > Base::_activeSurface->h) + return; + + if (Base::_fillMode != kNoFill && 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, kForegroundFill); } @@ -146,10 +270,16 @@ drawCircle(int x, int y, int r) { } } +/** SQUARES **/ template void VectorRendererSpec:: drawSquare(int x, int y, int w, int h) { - if (Base::_fillMode != kNoFill && Base::_shadowOffset) { + if (x + w > Base::_activeSurface->w || y + h > Base::_activeSurface->h) + return; + + if (Base::_fillMode != kNoFill && Base::_shadowOffset + && x + w + Base::_shadowOffset < Base::_activeSurface->w + && y + h + Base::_shadowOffset < Base::_activeSurface->h) { drawSquareShadow(x, y, w, h, Base::_shadowOffset); } @@ -176,10 +306,16 @@ drawSquare(int x, int y, int w, int h) { } } +/** ROUNDED SQUARES **/ template void VectorRendererSpec:: drawRoundedSquare(int x, int y, int r, int w, int h) { - if (Base::_fillMode != kNoFill && Base::_shadowOffset) { + if (x + w > Base::_activeSurface->w || y + h > Base::_activeSurface->h) + return; + + if (Base::_fillMode != kNoFill && Base::_shadowOffset + && x + w + Base::_shadowOffset < Base::_activeSurface->w + && y + h + Base::_shadowOffset < Base::_activeSurface->h) { drawRoundedSquareShadow(x, y, r, w, h, Base::_shadowOffset); } @@ -212,6 +348,10 @@ drawRoundedSquare(int x, int y, int r, int w, int h) { } } +/******************************************************************** + * Aliased Primitive drawing ALGORITHMS - VectorRendererSpec + ********************************************************************/ +/** SQUARE ALGORITHM **/ template void VectorRendererSpec:: drawSquareAlg(int x, int y, int w, int h, PixelType color, FillMode fill_m) { @@ -244,42 +384,7 @@ drawSquareAlg(int x, int y, int w, int h, PixelType color, FillMode fill_m) { } } -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; - } -} - +/** GENERIC LINE ALGORITHM **/ template void VectorRendererSpec:: drawLineAlg(int x1, int y1, int x2, int y2, int dx, int dy, PixelType color) { @@ -327,160 +432,89 @@ drawLineAlg(int x1, int y1, int x2, int y2, int dx, int dy, PixelType color) { *ptr = (PixelType)color; } - +/** ROUNDED SQUARE ALGORITHM **/ template void VectorRendererSpec:: -blendPixelPtr(PixelType *ptr, PixelType color, uint8 alpha) { - if (alpha == 255) { - *ptr = color; - return; - } - - register int idst = *ptr; - register int isrc = color; - - *ptr = (PixelType)( - (PixelFormat::kRedMask & ((idst & PixelFormat::kRedMask) + - ((int)(((int)(isrc & PixelFormat::kRedMask) - - (int)(idst & PixelFormat::kRedMask)) * alpha) >> 8))) | - (PixelFormat::kGreenMask & ((idst & PixelFormat::kGreenMask) + - ((int)(((int)(isrc & PixelFormat::kGreenMask) - - (int)(idst & PixelFormat::kGreenMask)) * alpha) >> 8))) | - (PixelFormat::kBlueMask & ((idst & PixelFormat::kBlueMask) + - ((int)(((int)(isrc & PixelFormat::kBlueMask) - - (int)(idst & PixelFormat::kBlueMask)) * alpha) >> 8))) ); -} - - -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); +drawRoundedSquareAlg(int x1, int y1, int r, int w, int h, PixelType color, FillMode fill_m) { + int f, ddF_x, ddF_y; + int x, y, px, py; int pitch = Base::surfacePitch(); - int xdir = (x2 > x1) ? 1 : -1; - uint16 error_tmp, error_acc, gradient; - uint8 alpha; - - *ptr = (PixelType)color; + 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); - if (dx > dy) { - gradient = (uint32)(dy << 16) / (uint32)dx; - error_acc = 0; + int real_radius = r; + int short_h = h - (2 * r) + 2; + int long_h = h; - while (--dx) { - error_tmp = error_acc; - error_acc += gradient; + if (fill_m == kNoFill) { + while (sw++ < Base::_strokeWidth) { + Common::set_to(ptr_fill + sp + r, ptr_fill + w + 1 + sp - r, color); + Common::set_to(ptr_fill + hp - sp + r, ptr_fill + w + hp + 1 - sp - r, color); + sp += pitch; - if (error_acc <= error_tmp) - ptr += pitch; + __BE_RESET(); + r--; + + while (x++ < y) { + __BE_ALGORITHM(); + __BE_DRAWCIRCLE(ptr_tr, ptr_tl, ptr_bl, ptr_br, x, y, px, py); - ptr += xdir; - alpha = (error_acc >> 8); + 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); + } + } + } - blendPixelPtr(ptr, color, ~alpha); - blendPixelPtr(ptr + pitch, color, alpha); + ptr_fill += pitch * real_radius; + while (short_h--) { + Common::set_to(ptr_fill, ptr_fill + Base::_strokeWidth, color); + Common::set_to(ptr_fill + w - Base::_strokeWidth + 1, ptr_fill + w + 1, color); + ptr_fill += pitch; } } else { - gradient = (uint32)(dx << 16) / (uint32)dy; - error_acc = 0; + __BE_RESET(); - 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); -} - -template -void VectorRendererSpec:: -drawLine(int x1, int y1, int x2, int y2) { - // 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 (fill_m == kGradientFill) { + while (x++ < y) { + __BE_ALGORITHM(); + Common::set_to(ptr_tl - x - py, ptr_tr + x - py, calcGradient(real_radius - y, long_h)); + Common::set_to(ptr_tl - y - px, ptr_tr + y - px, calcGradient(real_radius - x, long_h)); - if (Base::_strokeWidth == 0) - return; + Common::set_to(ptr_bl - x + py, ptr_br + x + py, calcGradient(long_h - r + y, long_h)); + Common::set_to(ptr_bl - y + px, ptr_br + y + px, calcGradient(long_h - r + x, long_h)); + } + } else { + while (x++ < y) { + __BE_ALGORITHM(); - PixelType *ptr = (PixelType *)_activeSurface->getBasePtr(x1, y1); - int pitch = Base::surfacePitch(); + Common::set_to(ptr_tl - x - py, ptr_tr + x - py, color); + Common::set_to(ptr_tl - y - px, ptr_tr + y - px, color); - if (dy == 0) { // horizontal lines - // these can be filled really fast with a single memset. - // TODO: Platform specific ASM in set_to, would make this thing fly - Common::set_to(ptr, ptr + dx + 1, (PixelType)_fgColor); + Common::set_to(ptr_bl - x + py, ptr_br + x + py, color); + Common::set_to(ptr_bl - y + px, ptr_br + y + px, color); - } else if (dx == 0) { // vertical lines - // these ones use a static pitch increase. - while (y1++ <= y2) { - *ptr = (PixelType)_fgColor; - ptr += pitch; + // FIXME: maybe not needed at all? + __BE_DRAWCIRCLE(ptr_tr, ptr_tl, ptr_bl, ptr_br, x, y, px, py); + } } - } 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; + ptr_fill += pitch * r; + while (short_h--) { + if (fill_m == kGradientFill) + color = calcGradient(real_radius++, long_h); + Common::set_to(ptr_fill, ptr_fill + w + 1, color); + ptr_fill += pitch; } - - } else { // generic lines, use the standard algorithm... - drawLineAlg(x1, y1, x2, y2, dx, dy, (PixelType)_fgColor); } } -#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; \ -} - - +/** CIRCLE ALGORITHM **/ template void VectorRendererSpec:: drawCircleAlg(int x1, int y1, int r, PixelType color, FillMode fill_m) { @@ -523,6 +557,46 @@ drawCircleAlg(int x1, int y1, int r, PixelType color, FillMode fill_m) { } } + +/******************************************************************** + * 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) { @@ -578,109 +652,63 @@ drawRoundedSquareShadow(int x1, int y1, int r, int w, int h, int blur) { } } + +/******************************************************************** + * ANTIALIASED PRIMITIVES drawing algorithms - VectorRendererAA + ********************************************************************/ +/** LINES **/ template -void VectorRendererSpec:: -drawRoundedSquareAlg(int x1, int y1, int r, int w, int h, PixelType color, FillMode fill_m) { - int f, ddF_x, ddF_y; - int x, y, px, py; +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 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 xdir = (x2 > x1) ? 1 : -1; + uint16 error_tmp, error_acc, gradient; + uint8 alpha; - int real_radius = r; - int short_h = h - (2 * r) + 2; - int long_h = h; + *ptr = (PixelType)color; - if (fill_m == kNoFill) { - while (sw++ < Base::_strokeWidth) { - Common::set_to(ptr_fill + sp + r, ptr_fill + w + 1 + sp - r, color); - Common::set_to(ptr_fill + hp - sp + r, ptr_fill + w + hp + 1 - sp - r, color); - sp += pitch; + if (dx > dy) { + gradient = (uint32)(dy << 16) / (uint32)dx; + error_acc = 0; - __BE_RESET(); - r--; - - while (x++ < y) { - __BE_ALGORITHM(); - __BE_DRAWCIRCLE(ptr_tr, ptr_tl, ptr_bl, ptr_br, x, y, px, py); + while (--dx) { + error_tmp = error_acc; + error_acc += gradient; - 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); - } - } - } + if (error_acc <= error_tmp) + ptr += pitch; - ptr_fill += pitch * real_radius; - while (short_h--) { - Common::set_to(ptr_fill, ptr_fill + Base::_strokeWidth, color); - Common::set_to(ptr_fill + w - Base::_strokeWidth + 1, ptr_fill + w + 1, color); - ptr_fill += pitch; + ptr += xdir; + alpha = (error_acc >> 8); + + blendPixelPtr(ptr, color, ~alpha); + blendPixelPtr(ptr + pitch, color, alpha); } } else { - __BE_RESET(); - - if (fill_m == kGradientFill) { - while (x++ < y) { - __BE_ALGORITHM(); - Common::set_to(ptr_tl - x - py, ptr_tr + x - py, calcGradient(real_radius - y, long_h)); - Common::set_to(ptr_tl - y - px, ptr_tr + y - px, calcGradient(real_radius - x, long_h)); - - Common::set_to(ptr_bl - x + py, ptr_br + x + py, calcGradient(long_h - r + y, long_h)); - Common::set_to(ptr_bl - y + px, ptr_br + y + px, calcGradient(long_h - r + x, long_h)); - } - } else { - while (x++ < y) { - __BE_ALGORITHM(); + gradient = (uint32)(dx << 16) / (uint32)dy; + error_acc = 0; - Common::set_to(ptr_tl - x - py, ptr_tr + x - py, color); - Common::set_to(ptr_tl - y - px, ptr_tr + y - px, color); + while (--dy) { + error_tmp = error_acc; + error_acc += gradient; - Common::set_to(ptr_bl - x + py, ptr_br + x + py, color); - Common::set_to(ptr_bl - y + px, ptr_br + y + px, color); + if (error_acc <= error_tmp) + ptr += xdir; - // FIXME: maybe not needed at all? - __BE_DRAWCIRCLE(ptr_tr, ptr_tl, ptr_bl, ptr_br, x, y, px, py); - } - } + ptr += pitch; + alpha = (error_acc >> 8); - ptr_fill += pitch * r; - while (short_h--) { - if (fill_m == kGradientFill) - color = calcGradient(real_radius++, long_h); - Common::set_to(ptr_fill, ptr_fill + w + 1, color); - ptr_fill += pitch; + blendPixelPtr(ptr, color, ~alpha); + blendPixelPtr(ptr + xdir, color, alpha); } } -} -#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; \ + 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) { @@ -750,6 +778,7 @@ drawRoundedSquareAlg(int x1, int y1, int r, int w, int h, PixelType color, Vecto } } +/** CIRCLES **/ template void VectorRendererAA:: drawCircleAlg(int x1, int y1, int r, PixelType color, VectorRenderer::FillMode fill_m) { -- cgit v1.2.3