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-rw-r--r--graphics/VectorRenderer.h3
-rw-r--r--graphics/VectorRendererSpec.cpp293
-rw-r--r--graphics/VectorRendererSpec.h17
-rw-r--r--gui/ThemeEngine.cpp25
-rw-r--r--gui/ThemeEngine.h2
-rw-r--r--gui/widgets/scrollbar.cpp7
6 files changed, 338 insertions, 9 deletions
diff --git a/graphics/VectorRenderer.h b/graphics/VectorRenderer.h
index 2af91d3587..a84062c358 100644
--- a/graphics/VectorRenderer.h
+++ b/graphics/VectorRenderer.h
@@ -187,6 +187,7 @@ public:
* @param orient Orientation of the triangle.
*/
virtual void drawTriangle(int x, int y, int base, int height, TriangleOrientation orient) = 0;
+ virtual void drawTriangleClip(int x, int y, int base, int height, TriangleOrientation orient, Common::Rect clipping) = 0;
/**
* Draws a beveled square like the ones in the Classic GUI themes.
@@ -390,7 +391,7 @@ public:
void drawCallback_TRIANGLE(const Common::Rect &area, const DrawStep &step, const Common::Rect &clip) { //TODO
uint16 x, y, w, h;
stepGetPositions(step, area, x, y, w, h);
- drawTriangle(x, y, w, h, (TriangleOrientation)step.extraData);
+ drawTriangleClip(x, y, w, h, (TriangleOrientation)step.extraData, clip);
}
void drawCallback_BEVELSQ(const Common::Rect &area, const DrawStep &step, const Common::Rect &clip) { //TODO
diff --git a/graphics/VectorRendererSpec.cpp b/graphics/VectorRendererSpec.cpp
index 9339c8e49a..f2a69d3fca 100644
--- a/graphics/VectorRendererSpec.cpp
+++ b/graphics/VectorRendererSpec.cpp
@@ -872,6 +872,13 @@ blendPixelPtr(PixelType *ptr, PixelType color, uint8 alpha) {
template<typename PixelType>
inline void VectorRendererSpec<PixelType>::
+blendPixelPtrClip(PixelType *ptr, PixelType color, uint8 alpha, int x, int y) {
+ if (IS_IN_CLIP(x, y))
+ blendPixelPtr(ptr, color, alpha);
+}
+
+template<typename PixelType>
+inline void VectorRendererSpec<PixelType>::
blendPixelDestAlphaPtr(PixelType *ptr, PixelType color, uint8 alpha) {
int idst = *ptr;
// This function is only used for corner pixels in rounded rectangles, so
@@ -1263,8 +1270,88 @@ drawTriangle(int x, int y, int w, int h, TriangleOrientation orient) {
}
}
+template<typename PixelType>
+void VectorRendererSpec<PixelType>::
+drawTriangleClip(int x, int y, int w, int h, TriangleOrientation orient, Common::Rect clipping) {
+ 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;
+
+ Common::Rect backup = _clippingArea;
+ _clippingArea = clipping;
+ bool useClippingVersions = !(_clippingArea.isEmpty() || _clippingArea.contains(Common::Rect(x, y, x + w, y + h)));
+
+ if (w == h) {
+ int newW = w;
+
+ switch (orient) {
+ case kTriangleUp:
+ case kTriangleDown:
+ if (useClippingVersions)
+ drawTriangleVertAlgClip(x, y, newW, newW, (orient == kTriangleDown), color, Base::_fillMode);
+ else
+ drawTriangleVertAlg(x, y, newW, 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) {
+ if (useClippingVersions)
+ drawTriangleVertAlgClip(x, y, newW, newW, (orient == kTriangleDown), color, Base::_fillMode);
+ else
+ drawTriangleVertAlg(x, y, newW, newW, (orient == kTriangleDown), color, Base::_fillMode);
+ }
+ } else {
+ int newW = w;
+ int newH = h;
+
+ switch (orient) {
+ case kTriangleUp:
+ case kTriangleDown:
+ if (useClippingVersions)
+ drawTriangleVertAlgClip(x, y, newW, newH, (orient == kTriangleDown), color, Base::_fillMode);
+ else
+ drawTriangleVertAlg(x, y, newW, newH, (orient == kTriangleDown), color, Base::_fillMode);
+ break;
+
+ case kTriangleLeft:
+ case kTriangleRight:
+ case kTriangleAuto:
+ break;
+ }
+
+ if (Base::_strokeWidth > 0) {
+ if (Base::_fillMode == kFillBackground || Base::_fillMode == kFillGradient) {
+ if (useClippingVersions)
+ drawTriangleVertAlgClip(x, y, newW, newH, (orient == kTriangleDown), _fgColor, kFillDisabled);
+ else
+ drawTriangleVertAlg(x, y, newW, newH, (orient == kTriangleDown), _fgColor, kFillDisabled);
+ }
+ }
+ }
+
+ _clippingArea = backup;
+}
/********************************************************************
@@ -1821,6 +1908,212 @@ drawTriangleVertAlg(int x1, int y1, int w, int h, bool inverted, PixelType color
}
+/////////////
+
+template<typename PixelType>
+void VectorRendererSpec<PixelType>::
+drawTriangleVertAlgClip(int x1, int y1, int w, int h, bool inverted, PixelType color, VectorRenderer::FillMode fill_m) {
+ // Don't draw anything for empty rects. This assures dy is always different
+ // from zero.
+ if (w <= 0 || h <= 0) {
+ return;
+ }
+
+ int pitch = _activeSurface->pitch / _activeSurface->format.bytesPerPixel;
+ int gradient_h = 0;
+ int y_pitch_sign = 1;
+ if (!inverted) {
+ pitch = -pitch;
+ y1 += h;
+ y_pitch_sign = -1;
+ }
+
+ PixelType *ptr_right = (PixelType *)_activeSurface->getBasePtr(x1, y1);
+ PixelType *floor = ptr_right - 1;
+ PixelType *ptr_left = (PixelType *)_activeSurface->getBasePtr(x1 + w, y1);
+
+ int x2 = x1 + w / 2;
+ int y2 = y1 + h;
+ int x_right = x1;
+ int y_right = y1;
+ int x_left = x1 + w;
+ int y_left = y1;
+ int x_floor = x_right - 1;
+ int y_floor = y_right;
+
+#if FIXED_POINT
+ int dx = (x2 - x1) << 8;
+ int dy = (y2 - y1) << 8;
+
+ if (abs(dx) > abs(dy)) {
+#else
+ double dx = (double)x2 - (double)x1;
+ double dy = (double)y2 - (double)y1;
+
+ if (fabs(dx) > fabs(dy)) {
+#endif
+ while (floor++ != ptr_left)
+ blendPixelPtrClip(floor, color, 50, ++x_floor, y_floor);
+
+#if FIXED_POINT
+ // In this branch dx is always different from zero. This is because
+ // abs(dx) is strictly greater than abs(dy), and abs returns zero
+ // as minimal value.
+ int gradient = (dy << 8) / dx;
+ int intery = (y1 << 8) + gradient;
+#else
+ double gradient = dy / dx;
+ double intery = y1 + gradient;
+#endif
+
+ for (int x = x1 + 1; x < x2; x++) {
+#if FIXED_POINT
+ if (intery + gradient > ipart(intery) + 0x100) {
+#else
+ if (intery + gradient > ipart(intery) + 1) {
+#endif
+ ptr_right++;
+ ptr_left--;
+ ++x_right;
+ --x_left;
+ }
+
+ ptr_left += pitch;
+ ptr_right += pitch;
+ y_right += y_pitch_sign;
+ y_left += y_pitch_sign;
+
+ intery += gradient;
+
+ switch (fill_m) {
+ case kFillDisabled:
+ if (IS_IN_CLIP(x_left, y_left)) *ptr_left = color;
+ if (IS_IN_CLIP(x_right, y_right)) *ptr_right = color;
+ break;
+ case kFillForeground:
+ case kFillBackground:
+ colorFillClip<PixelType>(ptr_right + 1, ptr_left, color, x_right+1, y_right, _clippingArea);
+ blendPixelPtrClip(ptr_right, color, rfpart(intery), x_right, y_right);
+ blendPixelPtrClip(ptr_left, color, rfpart(intery), x_left, y_left);
+ break;
+ case kFillGradient:
+ colorFillClip<PixelType>(ptr_right, ptr_left, calcGradient(gradient_h++, h), x_right, y_right, _clippingArea);
+ blendPixelPtrClip(ptr_right, color, rfpart(intery), x_right, y_right);
+ blendPixelPtrClip(ptr_left, color, rfpart(intery), x_left, y_left);
+ break;
+ }
+ }
+
+ return;
+ }
+
+#if FIXED_POINT
+ if (abs(dx) < abs(dy)) {
+#else
+ if (fabs(dx) < fabs(dy)) {
+#endif
+ ptr_left--;
+ --x_left;
+ while (floor++ != ptr_left)
+ blendPixelPtrClip(floor, color, 50, ++x_floor, y_floor);
+
+#if FIXED_POINT
+ int gradient = (dx << 8) / (dy + 0x100);
+ int interx = (x1 << 8) + gradient;
+#else
+ double gradient = dx / (dy + 1);
+ double interx = x1 + gradient;
+#endif
+
+ for (int y = y1 + 1; y < y2; y++) {
+#if FIXED_POINT
+ if (interx + gradient > ipart(interx) + 0x100) {
+#else
+ if (interx + gradient > ipart(interx) + 1) {
+#endif
+ ptr_right++;
+ ptr_left--;
+ ++x_right;
+ --x_left;
+ }
+
+ ptr_left += pitch;
+ ptr_right += pitch;
+ y_right += y_pitch_sign;
+ y_left += y_pitch_sign;
+
+ interx += gradient;
+
+ switch (fill_m) {
+ case kFillDisabled:
+ if (IS_IN_CLIP(x_left, y_left)) *ptr_left = color;
+ if (IS_IN_CLIP(x_right, y_right)) *ptr_right = color;
+ break;
+ case kFillForeground:
+ case kFillBackground:
+ colorFillClip<PixelType>(ptr_right + 1, ptr_left, color, x_right+1, y_right, _clippingArea);
+ blendPixelPtrClip(ptr_right, color, rfpart(interx), x_right, y_right);
+ blendPixelPtrClip(ptr_left, color, rfpart(interx), x_left, y_left);
+ break;
+ case kFillGradient:
+ colorFillClip<PixelType>(ptr_right, ptr_left, calcGradient(gradient_h++, h), x_right, y_right, _clippingArea);
+ blendPixelPtrClip(ptr_right, color, rfpart(interx), x_right, y_right);
+ blendPixelPtrClip(ptr_left, color, rfpart(interx), x_left, y_left);
+ break;
+ }
+ }
+
+ return;
+ }
+
+ ptr_left--;
+ --x_left;
+ while (floor++ != ptr_left)
+ blendPixelPtrClip(floor, color, 50, ++x_floor, y_floor);
+
+#if FIXED_POINT
+ int gradient = (dx / dy) << 8;
+ int interx = (x1 << 8) + gradient;
+#else
+ double gradient = dx / dy;
+ double interx = x1 + gradient;
+#endif
+
+ for (int y = y1 + 1; y < y2; y++) {
+ ptr_right++;
+ ptr_left--;
+ ++x_right;
+ --x_left;
+
+ ptr_left += pitch;
+ ptr_right += pitch;
+ y_right += y_pitch_sign;
+ y_left += y_pitch_sign;
+
+ interx += gradient;
+
+ switch (fill_m) {
+ case kFillDisabled:
+ if (IS_IN_CLIP(x_left, y_left)) *ptr_left = color;
+ if (IS_IN_CLIP(x_right, y_right)) *ptr_right = color;
+ break;
+ case kFillForeground:
+ case kFillBackground:
+ colorFillClip<PixelType>(ptr_right + 1, ptr_left, color, x_right+1, y_right, _clippingArea);
+ blendPixelPtrClip(ptr_right, color, rfpart(interx), x_right, y_right);
+ blendPixelPtrClip(ptr_left, color, rfpart(interx), x_left, y_left);
+ break;
+ case kFillGradient:
+ colorFillClip<PixelType>(ptr_right, ptr_left, calcGradient(gradient_h++, h), x_right, y_right, _clippingArea);
+ blendPixelPtrClip(ptr_right, color, rfpart(interx), x_right, y_right);
+ blendPixelPtrClip(ptr_left, color, rfpart(interx), x_left, y_left);
+ break;
+ }
+ }
+}
+
+/////////////
+
/** VERTICAL TRIANGLE DRAWING - FAST VERSION FOR SQUARED TRIANGLES */
template<typename PixelType>
void VectorRendererSpec<PixelType>::
diff --git a/graphics/VectorRendererSpec.h b/graphics/VectorRendererSpec.h
index 7a1fe369f0..42d906c639 100644
--- a/graphics/VectorRendererSpec.h
+++ b/graphics/VectorRendererSpec.h
@@ -50,14 +50,15 @@ class VectorRendererSpec : public VectorRenderer {
public:
VectorRendererSpec(PixelFormat format);
- void drawLine(int x1, int y1, int x2, int y2);
- void drawCircle(int x, int y, int r);
- void drawSquare(int x, int y, int w, int h);
+ void drawLine(int x1, int y1, int x2, int y2); //TODO
+ void drawCircle(int x, int y, int r); //TODO
+ void drawSquare(int x, int y, int w, int h); //TODO
void drawRoundedSquare(int x, int y, int r, int w, int h);
void drawRoundedSquareClip(int x, int y, int r, int w, int h, int cx, int cy, int cw, int ch);
- void drawTriangle(int x, int y, int base, int height, TriangleOrientation orient);
- void drawTab(int x, int y, int r, int w, int h);
- void drawBeveledSquare(int x, int y, int w, int h, int bevel) {
+ void drawTriangle(int x, int y, int base, int height, TriangleOrientation orient); //TODO
+ void drawTriangleClip(int x, int y, int base, int height, TriangleOrientation orient, Common::Rect clipping);
+ void drawTab(int x, int y, int r, int w, int h); //TODO
+ void drawBeveledSquare(int x, int y, int w, int h, int bevel) { //TODO
drawBevelSquareAlg(x, y, w, h, bevel, _bevelColor, _fgColor, Base::_fillMode != kFillDisabled);
}
void drawString(const Graphics::Font *font, const Common::String &text,
@@ -122,6 +123,7 @@ protected:
* @param alpha Alpha intensity of the pixel (0-255)
*/
inline void blendPixelPtr(PixelType *ptr, PixelType color, uint8 alpha);
+ inline void blendPixelPtrClip(PixelType *ptr, PixelType color, uint8 alpha, int x, int y);
/**
* Blends a single pixel on the surface in the given pixel pointer, using supplied color
@@ -182,6 +184,9 @@ protected:
virtual void drawTriangleVertAlg(int x, int y, int w, int h,
bool inverted, PixelType color, FillMode fill_m);
+ virtual void drawTriangleVertAlgClip(int x, int y, int w, int h,
+ bool inverted, PixelType color, FillMode fill_m);
+
virtual void drawTriangleFast(int x, int y, int size,
bool inverted, PixelType color, FillMode fill_m);
diff --git a/gui/ThemeEngine.cpp b/gui/ThemeEngine.cpp
index a38e565f6c..6d9f7d8a7d 100644
--- a/gui/ThemeEngine.cpp
+++ b/gui/ThemeEngine.cpp
@@ -1127,6 +1127,29 @@ void ThemeEngine::drawScrollbar(const Common::Rect &r, int sliderY, int sliderHe
queueDD(scrollState == kScrollbarStateSlider ? kDDScrollbarHandleHover : kDDScrollbarHandleIdle, r2);
}
+void ThemeEngine::drawScrollbarClip(const Common::Rect &r, const Common::Rect &clippingRect, int sliderY, int sliderHeight, ScrollbarState scrollState, WidgetStateInfo state) {
+ if (!ready())
+ return;
+
+ queueDDClip(kDDScrollbarBase, r, clippingRect);
+
+ Common::Rect r2 = r;
+ const int buttonExtra = (r.width() * 120) / 100;
+
+ r2.bottom = r2.top + buttonExtra;
+ queueDDClip(scrollState == kScrollbarStateUp ? kDDScrollbarButtonHover : kDDScrollbarButtonIdle, r2, clippingRect, Graphics::VectorRenderer::kTriangleUp);
+
+ r2.translate(0, r.height() - r2.height());
+ queueDDClip(scrollState == kScrollbarStateDown ? kDDScrollbarButtonHover : kDDScrollbarButtonIdle, r2, clippingRect, Graphics::VectorRenderer::kTriangleDown);
+
+ r2 = r;
+ r2.left += 1;
+ r2.right -= 1;
+ r2.top += sliderY;
+ r2.bottom = r2.top + sliderHeight;
+ queueDDClip(scrollState == kScrollbarStateSlider ? kDDScrollbarHandleHover : kDDScrollbarHandleIdle, r2, clippingRect);
+}
+
void ThemeEngine::drawDialogBackground(const Common::Rect &r, DialogBackground bgtype, WidgetStateInfo state) {
if (!ready())
return;
@@ -1199,7 +1222,7 @@ void ThemeEngine::drawPopUpWidgetClip(const Common::Rect &r, const Common::Rect
else if (state == kStateDisabled)
dd = kDDPopUpDisabled;
- queueDDClip(dd, r, clip);
+ queueDDClip(dd, r, clip);
if (!sel.empty()) {
Common::Rect text(r.left + 3, r.top + 1, r.right - 10, r.bottom);
diff --git a/gui/ThemeEngine.h b/gui/ThemeEngine.h
index af8c293a36..c854b0025d 100644
--- a/gui/ThemeEngine.h
+++ b/gui/ThemeEngine.h
@@ -368,6 +368,8 @@ public:
void drawScrollbar(const Common::Rect &r, int sliderY, int sliderHeight,
ScrollbarState, WidgetStateInfo state = kStateEnabled);
+ void drawScrollbarClip(const Common::Rect &r, const Common::Rect &clippingRect, int sliderY, int sliderHeight,
+ ScrollbarState scrollState, WidgetStateInfo state = kStateEnabled);
void drawPopUpWidget(const Common::Rect &r, const Common::String &sel,
int deltax, WidgetStateInfo state = kStateEnabled, Graphics::TextAlign align = Graphics::kTextAlignLeft);
diff --git a/gui/widgets/scrollbar.cpp b/gui/widgets/scrollbar.cpp
index f1306b9c4a..d8bcb18336 100644
--- a/gui/widgets/scrollbar.cpp
+++ b/gui/widgets/scrollbar.cpp
@@ -26,6 +26,7 @@
#include "gui/widgets/scrollbar.h"
#include "gui/gui-manager.h"
#include "gui/ThemeEngine.h"
+#include "gui/widgets/scrollcontainer.h"
namespace GUI {
@@ -202,7 +203,11 @@ void ScrollBarWidget::drawWidget() {
state = ThemeEngine::kScrollbarStateSlider;
}
- g_gui.theme()->drawScrollbar(Common::Rect(_x, _y, _x+_w, _y+_h), _sliderPos, _sliderHeight, state, _state);
+ Common::Rect clipRect = getBossClipRect();
+ //scrollbar is not a usual child of ScrollContainerWidget, so it gets this special treatment
+ if (dynamic_cast<ScrollContainerWidget *>(_boss))
+ clipRect.right += _w;
+ g_gui.theme()->drawScrollbarClip(Common::Rect(_x, _y, _x+_w, _y+_h), clipRect, _sliderPos, _sliderHeight, state, _state);
}
} // End of namespace GUI
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 11:53:56 +0000