class SkBitmap;
class SkEvent;
-class SkTypeface;
struct SkUnixWindow {
Display* fDisplay;
bool attachGL();
void detachGL();
void presentGL();
- void updatePointer(int x, int y);
- void toggleZoomer();
- bool zoomIn();
- bool zoomOut();
//static bool PostEvent(SkEvent* evt, SkEventSinkID, SkMSec delay);
SkUnixWindow fUnixWindow;
void doPaint();
- // Latest position of the mouse.
- int fMouseX, fMouseY;
- int fScale;
- // Used by the text showing position and color values.
- SkTypeface* fTypeface;
- bool fShowZoomer;
typedef SkWindow INHERITED;
};
#include "SampleCode.h"
#include "GrContext.h"
#include "SkTouchGesture.h"
+#include "SkTypeface.h"
#define USE_ARROWS_FOR_ZOOM true
//#define DEFAULT_TO_GPU
bool fScale;
bool fRequestGrabImage;
+ // The following are for the 'fatbits' drawing
+ // Latest position of the mouse.
+ int fMouseX, fMouseY;
+ int fFatBitsScale;
+ // Used by the text showing position and color values.
+ SkTypeface* fTypeface;
+ bool fShowZoomer;
+
LCDTextDrawFilter::Mode fLCDMode;
int fScrollTestX, fScrollTestY;
void updateTitle();
bool nextSample();
+ void toggleZoomer();
+ bool zoomIn();
+ bool zoomOut();
+ void updatePointer(int x, int y);
+
void postAnimatingEvent() {
if (fAnimating) {
SkEvent* evt = new SkEvent(ANIMATING_EVENTTYPE);
typedef SkOSWindow INHERITED;
};
+bool SampleWindow::zoomIn()
+{
+ // Arbitrarily decided
+ if (fFatBitsScale == 25) return false;
+ fFatBitsScale++;
+ this->inval(NULL);
+ return true;
+}
+
+bool SampleWindow::zoomOut()
+{
+ if (fFatBitsScale == 1) return false;
+ fFatBitsScale--;
+ this->inval(NULL);
+ return true;
+}
+
+void SampleWindow::toggleZoomer()
+{
+ fShowZoomer = !fShowZoomer;
+ this->inval(NULL);
+}
+
+void SampleWindow::updatePointer(int x, int y)
+{
+ fMouseX = x;
+ fMouseY = y;
+ if (fShowZoomer) {
+ this->inval(NULL);
+ }
+}
+
bool SampleWindow::make3DReady() {
#if defined(SK_SUPPORT_GL)
fLCDMode = LCDTextDrawFilter::kNeutral_Mode;
fScrollTestX = fScrollTestY = 0;
+ fMouseX = fMouseY = 0;
+ fFatBitsScale = 1;
+ fTypeface = SkTypeface::CreateFromTypeface(NULL, SkTypeface::kBold);
+ fShowZoomer = false;
+
fZoomLevel = 0;
fZoomScale = SK_Scalar1;
if (NULL != fGrContext) {
fGrContext->unref();
}
+ fTypeface->unref();
}
static SkBitmap capture_bitmap(SkCanvas* canvas) {
return false;
}
+static void drawText(SkCanvas* canvas, SkString string, SkScalar left, SkScalar top, SkPaint& paint)
+{
+ SkColor desiredColor = paint.getColor();
+ paint.setColor(SK_ColorWHITE);
+ const char* c_str = string.c_str();
+ size_t size = string.size();
+ SkRect bounds;
+ paint.measureText(c_str, size, &bounds);
+ bounds.offset(left, top);
+ SkScalar inset = SkIntToScalar(-2);
+ bounds.inset(inset, inset);
+ canvas->drawRect(bounds, paint);
+ if (desiredColor != SK_ColorBLACK) {
+ paint.setColor(SK_ColorBLACK);
+ canvas->drawText(c_str, size, left + SK_Scalar1, top + SK_Scalar1, paint);
+ }
+ paint.setColor(desiredColor);
+ canvas->drawText(c_str, size, left, top, paint);
+}
+
#define XCLIP_N 8
#define YCLIP_N 8
} else {
this->INHERITED::draw(canvas);
}
+ if (fShowZoomer) {
+ int count = canvas->save();
+ canvas->resetMatrix();
+ // Ensure the mouse position is on screen.
+ int width = this->width();
+ int height = this->height();
+ if (fMouseX >= width) fMouseX = width - 1;
+ else if (fMouseX < 0) fMouseX = 0;
+ if (fMouseY >= height) fMouseY = height - 1;
+ else if (fMouseY < 0) fMouseY = 0;
+ SkBitmap bitmap = capture_bitmap(canvas);
+ // Find the size of the zoomed in view, forced to be odd, so the examined pixel is in the middle.
+ int zoomedWidth = (width >> 2) | 1;
+ int zoomedHeight = (height >> 2) | 1;
+ SkIRect src;
+ src.set(0, 0, zoomedWidth / fFatBitsScale, zoomedHeight / fFatBitsScale);
+ src.offset(fMouseX - (src.width()>>1), fMouseY - (src.height()>>1));
+ SkRect dest;
+ dest.set(0, 0, SkIntToScalar(zoomedWidth), SkIntToScalar(zoomedHeight));
+ dest.offset(SkIntToScalar(width - zoomedWidth), SkIntToScalar(height - zoomedHeight));
+ SkPaint paint;
+ // Clear the background behind our zoomed in view
+ paint.setColor(SK_ColorWHITE);
+ canvas->drawRect(dest, paint);
+ canvas->drawBitmapRect(bitmap, &src, dest);
+ paint.setColor(SK_ColorBLACK);
+ paint.setStyle(SkPaint::kStroke_Style);
+ // Draw a border around the pixel in the middle
+ SkRect originalPixel;
+ originalPixel.set(SkIntToScalar(fMouseX), SkIntToScalar(fMouseY), SkIntToScalar(fMouseX + 1), SkIntToScalar(fMouseY + 1));
+ SkMatrix matrix;
+ SkRect scalarSrc;
+ scalarSrc.set(src);
+ SkColor color = bitmap.getColor(fMouseX, fMouseY);
+ if (matrix.setRectToRect(scalarSrc, dest, SkMatrix::kFill_ScaleToFit)) {
+ SkRect pixel;
+ matrix.mapRect(&pixel, originalPixel);
+ // TODO Perhaps measure the values and make the outline white if it's "dark"
+ if (color == SK_ColorBLACK) {
+ paint.setColor(SK_ColorWHITE);
+ }
+ canvas->drawRect(pixel, paint);
+ }
+ paint.setColor(SK_ColorBLACK);
+ // Draw a border around the destination rectangle
+ canvas->drawRect(dest, paint);
+ paint.setStyle(SkPaint::kStrokeAndFill_Style);
+ // Identify the pixel and its color on screen
+ paint.setTypeface(fTypeface);
+ paint.setAntiAlias(true);
+ SkScalar lineHeight = paint.getFontMetrics(NULL);
+ SkString string;
+ string.appendf("(%i, %i)", fMouseX, fMouseY);
+ SkScalar left = dest.fLeft + SkIntToScalar(3);
+ SkScalar i = SK_Scalar1;
+ drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
+ // Alpha
+ i += SK_Scalar1;
+ string.reset();
+ string.appendf("A: %X", SkColorGetA(color));
+ drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
+ // Red
+ i += SK_Scalar1;
+ string.reset();
+ string.appendf("R: %X", SkColorGetR(color));
+ paint.setColor(SK_ColorRED);
+ drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
+ // Green
+ i += SK_Scalar1;
+ string.reset();
+ string.appendf("G: %X", SkColorGetG(color));
+ paint.setColor(SK_ColorGREEN);
+ drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
+ // Blue
+ i += SK_Scalar1;
+ string.reset();
+ string.appendf("B: %X", SkColorGetB(color));
+ paint.setColor(SK_ColorBLUE);
+ drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
+ canvas->restoreToCount(count);
+ }
}
void SampleWindow::onDraw(SkCanvas* canvas) {
this->updateTitle();
this->inval(NULL);
break;
-#ifdef SK_BUILD_FOR_UNIX
- // These methods have not been written for other platforms yet.
case 'i':
this->zoomIn();
break;
case 'z':
this->toggleZoomer();
break;
-#endif
default:
break;
}
static const char gGestureClickType[] = "GestureClickType";
bool SampleWindow::onDispatchClick(int x, int y, Click::State state) {
+ if (Click::kMoved_State == state) {
+ updatePointer(x, y);
+ }
int w = SkScalarRound(this->width());
int h = SkScalarRound(this->height());
{ kEventClassKeyboard, kEventRawKeyUp },
{ kEventClassMouse, kEventMouseDown },
{ kEventClassMouse, kEventMouseDragged },
+ { kEventClassMouse, kEventMouseMoved },
{ kEventClassMouse, kEventMouseUp },
{ kEventClassTextInput, kEventTextInputUnicodeForKeyEvent },
{ kEventClassWindow, kEventWindowBoundsChanged },
result = noErr;
}
break;
+ case kEventMouseMoved:
+ // fall through
case kEventMouseDragged:
(void)win->handleClick(pt.h, pt.v, Click::kMoved_State);
// result = noErr;
#include "SkCanvas.h"
#include "SkColor.h"
#include "SkEvent.h"
-#include "SkTypeface.h"
SkOSWindow::SkOSWindow(void* unused)
{
fUnixWindow.fDisplay = NULL;
- fMouseX = fMouseY = 0;
- fTypeface = SkTypeface::CreateFromTypeface(NULL, SkTypeface::kBold);
- fShowZoomer = false;
- fScale = 4;
}
SkOSWindow::~SkOSWindow()
{
- fTypeface->unref();
}
void SkOSWindow::setUnixWindow(Display* dsp, Window win, size_t screenNumber, GC gc)
}
-bool SkOSWindow::zoomIn()
-{
- // Arbitrarily decided
- if (fScale == 25) return false;
- fScale++;
- inval(NULL);
- return true;
-}
-
-bool SkOSWindow::zoomOut()
-{
- if (fScale == 1) return false;
- fScale--;
- inval(NULL);
- return true;
-}
-
-void SkOSWindow::toggleZoomer()
-{
- fShowZoomer = !fShowZoomer;
- inval(NULL);
-}
-
void SkOSWindow::onSetTitle(const char title[])
{
if (!fUnixWindow.fDisplay) return;
return XInitImage(&image);
}
-void SkOSWindow::updatePointer(int x, int y)
-{
- fMouseX = x;
- fMouseY = y;
- inval(NULL);
-}
-
-static void drawText(SkCanvas& canvas, SkString string, SkScalar left, SkScalar top, SkPaint& paint)
-{
- SkColor desiredColor = paint.getColor();
- paint.setColor(SK_ColorWHITE);
- const char* c_str = string.c_str();
- size_t size = string.size();
- SkRect bounds;
- paint.measureText(c_str, size, &bounds);
- bounds.offset(left, top);
- SkScalar inset = SkIntToScalar(-2);
- bounds.inset(inset, inset);
- canvas.drawRect(bounds, paint);
- if (desiredColor != SK_ColorBLACK) {
- paint.setColor(SK_ColorBLACK);
- canvas.drawText(c_str, size, left + SK_Scalar1, top + SK_Scalar1, paint);
- }
- paint.setColor(desiredColor);
- canvas.drawText(c_str, size, left, top, paint);
-}
-
void SkOSWindow::doPaint() {
if (!fUnixWindow.fDisplay) return;
// Draw the bitmap to the screen.
int width = bitmap.width();
int height = bitmap.height();
- if (!fShowZoomer) {
- XImage image;
- if (!convertBitmapToXImage(image, bitmap)) return;
+ XImage image;
+ if (!convertBitmapToXImage(image, bitmap)) return;
- XPutImage(fUnixWindow.fDisplay, fUnixWindow.fWin, fUnixWindow.fGc, &image, 0, 0, 0, 0, width, height);
- } else {
- // Ensure the mouse position is on screen.
- if (fMouseX >= width) fMouseX = width - 1;
- else if (fMouseX < 0) fMouseX = 0;
- if (fMouseY >= height) fMouseY = height - 1;
- else if (fMouseY < 0) fMouseY = 0;
- // zoomedBitmap will show the original bitmap, plus a zoomed in view (fat bits).
- SkBitmap zoomedBitmap;
- bitmap.copyTo(&zoomedBitmap, bitmap.getConfig());
- SkCanvas canvas(zoomedBitmap);
- // Find the size of the zoomed in view, forced to be odd, so the examined pixel is in the middle.
- int zoomedWidth = (width >> 2) | 1;
- int zoomedHeight = (height >> 2) | 1;
- SkIRect src;
- src.set(0, 0, zoomedWidth / fScale, zoomedHeight / fScale);
- src.offset(fMouseX - (src.width()>>1), fMouseY - (src.height()>>1));
- SkRect dest;
- dest.set(0, 0, SkIntToScalar(zoomedWidth), SkIntToScalar(zoomedHeight));
- dest.offset(SkIntToScalar(width - zoomedWidth), SkIntToScalar(height - zoomedHeight));
- SkPaint paint;
- // Clear the background behind our zoomed in view
- paint.setColor(SK_ColorWHITE);
- canvas.drawRect(dest, paint);
- canvas.drawBitmapRect(bitmap, &src, dest);
- paint.setColor(SK_ColorBLACK);
- paint.setStyle(SkPaint::kStroke_Style);
- // Draw a border around the pixel in the middle
- SkRect originalPixel;
- originalPixel.set(SkIntToScalar(fMouseX), SkIntToScalar(fMouseY), SkIntToScalar(fMouseX + 1), SkIntToScalar(fMouseY + 1));
- SkMatrix matrix;
- SkRect scalarSrc;
- scalarSrc.set(src);
- SkColor color = bitmap.getColor(fMouseX, fMouseY);
- if (matrix.setRectToRect(scalarSrc, dest, SkMatrix::kFill_ScaleToFit)) {
- SkRect pixel;
- matrix.mapRect(&pixel, originalPixel);
- // TODO Perhaps measure the values and make the outline white if it's "dark"
- if (color == SK_ColorBLACK) {
- paint.setColor(SK_ColorWHITE);
- }
- canvas.drawRect(pixel, paint);
- }
- paint.setColor(SK_ColorBLACK);
- // Draw a border around the destination rectangle
- canvas.drawRect(dest, paint);
- paint.setStyle(SkPaint::kStrokeAndFill_Style);
- // Identify the pixel and its color on screen
- paint.setTypeface(fTypeface);
- paint.setAntiAlias(true);
- SkScalar lineHeight = paint.getFontMetrics(NULL);
- SkString string;
- string.appendf("(%i, %i)", fMouseX, fMouseY);
- SkScalar left = dest.fLeft + SkIntToScalar(3);
- SkScalar i = SK_Scalar1;
- drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
- // Alpha
- i += SK_Scalar1;
- string.reset();
- string.appendf("A: %X", SkColorGetA(color));
- drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
- // Red
- i += SK_Scalar1;
- string.reset();
- string.appendf("R: %X", SkColorGetR(color));
- paint.setColor(SK_ColorRED);
- drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
- // Green
- i += SK_Scalar1;
- string.reset();
- string.appendf("G: %X", SkColorGetG(color));
- paint.setColor(SK_ColorGREEN);
- drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
- // Blue
- i += SK_Scalar1;
- string.reset();
- string.appendf("B: %X", SkColorGetB(color));
- paint.setColor(SK_ColorBLUE);
- drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
- // Finally, put our bitmap on the screen
- XImage zoomedImage;
- convertBitmapToXImage(zoomedImage, zoomedBitmap);
- XPutImage(fUnixWindow.fDisplay, fUnixWindow.fWin, fUnixWindow.fGc, &zoomedImage, 0, 0, 0, 0, width, height);
- }
+ XPutImage(fUnixWindow.fDisplay, fUnixWindow.fWin, fUnixWindow.fGc, &image, 0, 0, 0, 0, width, height);
}
bool SkOSWindow::onHandleChar(SkUnichar)
window->handleClick(evt.xbutton.x, evt.xbutton.y, SkView::Click::kUp_State);
break;
case MotionNotify:
- // FIXME: 272 corresponds to the left mouse button, but should be a constant.
- if (evt.xmotion.state == 272)
- window->handleClick(evt.xmotion.x, evt.xmotion.y, SkView::Click::kMoved_State);
- window->updatePointer(evt.xmotion.x, evt.xmotion.y);
+ window->handleClick(evt.xmotion.x, evt.xmotion.y, SkView::Click::kMoved_State);
break;
case KeyPress:
{
projects / platform / upstream / libSkiaSharp.git / commitdiff