diff options
| author | Matthias Melcher <fltk@matthiasm.com> | 2016-01-27 22:35:58 +0000 |
|---|---|---|
| committer | Matthias Melcher <fltk@matthiasm.com> | 2016-01-27 22:35:58 +0000 |
| commit | 780f43a4f14f56678c503fa279517c418b697877 (patch) | |
| tree | fdb76e5f5b0b47ca652b497e5c096d60d0a67c54 /src/drivers/Quartz/Fl_Quartz_Graphics_Driver_image.cxx | |
| parent | 6177c23d901c8748fd908b3bd1106b403f017d7f (diff) | |
Removed all references to Quartz driver files from library headers in Xcode. Works in Xcode.
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11065 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
Diffstat (limited to 'src/drivers/Quartz/Fl_Quartz_Graphics_Driver_image.cxx')
| -rw-r--r-- | src/drivers/Quartz/Fl_Quartz_Graphics_Driver_image.cxx | 122 |
1 files changed, 121 insertions, 1 deletions
diff --git a/src/drivers/Quartz/Fl_Quartz_Graphics_Driver_image.cxx b/src/drivers/Quartz/Fl_Quartz_Graphics_Driver_image.cxx index 87fcbc068..8b3229459 100644 --- a/src/drivers/Quartz/Fl_Quartz_Graphics_Driver_image.cxx +++ b/src/drivers/Quartz/Fl_Quartz_Graphics_Driver_image.cxx @@ -16,7 +16,10 @@ // http://www.fltk.org/str.php // -//////////////////////////////////////////////////////////////// +#include "config_lib.h" +#ifdef FL_CFG_GFX_QUARTZ + +#include "Fl_Quartz_Graphics_Driver.h" #include <config.h> #include <FL/Fl.H> @@ -162,6 +165,123 @@ void fl_rectf(int x, int y, int w, int h, uchar r, uchar g, uchar b) { fl_rectf(x,y,w,h); } +void Fl_Quartz_Graphics_Driver::draw(Fl_Bitmap *bm, int XP, int YP, int WP, int HP, int cx, int cy) { + int X, Y, W, H; + if (bm->start(XP, YP, WP, HP, cx, cy, X, Y, W, H)) { + return; + } + if (bm->id_ && fl_gc) { + CGRect rect = { { (CGFloat)X, (CGFloat)Y }, { (CGFloat)W, (CGFloat)H } }; + Fl_X::q_begin_image(rect, cx, cy, bm->w(), bm->h()); + CGContextDrawImage(fl_gc, rect, (CGImageRef)bm->id_); + Fl_X::q_end_image(); + } +} + +static void imgProviderReleaseData (void *info, const void *data, size_t size) +{ + if (!info || *(bool*)info) delete[] (unsigned char *)data; + delete (bool*)info; +} + +static int start(Fl_RGB_Image *img, int XP, int YP, int WP, int HP, int w, int h, int &cx, int &cy, + int &X, int &Y, int &W, int &H) +{ + // account for current clip region (faster on Irix): + fl_clip_box(XP,YP,WP,HP,X,Y,W,H); + cx += X-XP; cy += Y-YP; + // clip the box down to the size of image, quit if empty: + if (cx < 0) {W += cx; X -= cx; cx = 0;} + if (cx+W > w) W = w-cx; + if (W <= 0) return 1; + if (cy < 0) {H += cy; Y -= cy; cy = 0;} + if (cy+H > h) H = h-cy; + if (H <= 0) return 1; + return 0; +} + +void Fl_Quartz_Graphics_Driver::draw(Fl_RGB_Image *img, int XP, int YP, int WP, int HP, int cx, int cy) { + int X, Y, W, H; + // Don't draw an empty image... + if (!img->d() || !img->array) { + img->draw_empty(XP, YP); + return; + } + if (start(img, XP, YP, WP, HP, img->w(), img->h(), cx, cy, X, Y, W, H)) { + return; + } + if (!img->id_) { + CGColorSpaceRef lut = img->d()<=2 ? CGColorSpaceCreateDeviceGray() : CGColorSpaceCreateDeviceRGB(); + int ld = img->ld(); + if (!ld) ld = img->w() * img->d(); + // If img->alloc_array == 0, the CGImage data provider must not release the image data. + // If img->alloc_array != 0, the CGImage data provider will take responsibilty of deleting RGB image data after use: + // when the CGImage is deallocated, the release callback of its data provider + // (imgProviderReleaseData) is called and can delete the RGB image data. + // If the CGImage is printed, it is not deallocated until after the end of the page, + // therefore, with img->alloc_array != 0, the RGB image can be safely deleted any time after return from this function. + // The previously unused mask_ member allows to make sure the RGB image data is not deleted by Fl_RGB_Image::uncache(). + if (img->alloc_array) img->mask_ = new bool(true); + CGDataProviderRef src = CGDataProviderCreateWithData(img->mask_, img->array, ld * img->h(), + img->alloc_array?imgProviderReleaseData:NULL); + img->id_ = CGImageCreate(img->w(), img->h(), 8, img->d()*8, ld, + lut, (img->d()&1)?kCGImageAlphaNone:kCGImageAlphaLast, + src, 0L, false, kCGRenderingIntentDefault); + CGColorSpaceRelease(lut); + CGDataProviderRelease(src); + } + if (img->id_ && fl_gc) { + if (!img->alloc_array && has_feature(PRINTER) && !CGImageGetShouldInterpolate((CGImageRef)img->id_)) { + // When printing, the image data is used when the page is completed, that is, after return from this function. + // If the image has alloc_array = 0, we must protect against image data being freed before it is used: + // we duplicate the image data and have it deleted after use by the release-callback of the CGImage data provider + Fl_RGB_Image* img2 = (Fl_RGB_Image*)img->copy(); + img2->alloc_array = 0; + const uchar *img_bytes = img2->array; + int ld = img2->ld(); + if (!ld) ld = img2->w() * img2->d(); + delete img2; + img->uncache(); + CGColorSpaceRef lut = img->d()<=2 ? CGColorSpaceCreateDeviceGray() : CGColorSpaceCreateDeviceRGB(); + CGDataProviderRef src = CGDataProviderCreateWithData( NULL, img_bytes, ld * img->h(), imgProviderReleaseData); + img->id_ = CGImageCreate(img->w(), img->h(), 8, img->d()*8, ld, + lut, (img->d()&1)?kCGImageAlphaNone:kCGImageAlphaLast, + src, 0L, true, kCGRenderingIntentDefault); + CGColorSpaceRelease(lut); + CGDataProviderRelease(src); + } + CGRect rect = CGRectMake(X, Y, W, H); + Fl_X::q_begin_image(rect, cx, cy, img->w(), img->h()); + CGContextDrawImage(fl_gc, rect, (CGImageRef)img->id_); + Fl_X::q_end_image(); + } +} + +int Fl_Quartz_Graphics_Driver::draw_scaled(Fl_Image *img, int XP, int YP, int WP, int HP) { + int X, Y, W, H; + fl_clip_box(XP,YP,WP,HP,X,Y,W,H); // X,Y,W,H will give the unclipped area of XP,YP,WP,HP + if (W == 0 || H == 0) return 1; + fl_push_no_clip(); // remove the FLTK clip that can't be rescaled + CGContextSaveGState(fl_gc); + CGContextClipToRect(fl_gc, CGRectMake(X, Y, W, H)); // this clip path will be rescaled & translated + CGContextTranslateCTM(fl_gc, XP, YP); + CGContextScaleCTM(fl_gc, float(WP)/img->w(), float(HP)/img->h()); + img->draw(0, 0, img->w(), img->h(), 0, 0); + CGContextRestoreGState(fl_gc); + fl_pop_clip(); // restore FLTK's clip + return 1; +} + +void Fl_Quartz_Graphics_Driver::draw(Fl_Pixmap *pxm, int XP, int YP, int WP, int HP, int cx, int cy) { + int X, Y, W, H; + if (pxm->prepare(XP, YP, WP, HP, cx, cy, X, Y, W, H)) return; + copy_offscreen(X, Y, W, H, (Fl_Offscreen)pxm->id_, cx, cy); +} + + + +#endif // FL_CFG_GFX_QUARTZ + // // End of "$Id$". // |
