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path: root/src/drivers/GDI/Fl_GDI_Graphics_Driver_image.cxx
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4 dayswip: forkmaxim nikonov
2024-10-31Windows: fix compiler warning [-Wstrict-aliasing]Albrecht Schlosser
In function ‘void innards(...)’: src/drivers/GDI/Fl_GDI_Graphics_Driver_image.cxx:132:23: dereferencing type-punned pointer will break strict-aliasing rules BITMAPINFO &bmi = *((BITMAPINFO*)bmibuffer); ~^~~~~~~~~~~~~~~~~~~~~~~ Found with gcc 12 (MinGW cross compiler) Also: use correct sizes (sizeof) rather than hardcoded values.
2024-08-03Fix indenting, add comments for clarityAlbrecht Schlosser
no operative code changes in this commit
2024-08-03Remove obsolete statement (#1033)Albrecht Schlosser
Thanks to @xuyun018 for finding this.
2024-07-28GDI: fix StretchBlt mode settingCyprinus Carpio
2024-05-09Wayland documentation: improve "Input Methods" and various detailsManoloFLTK
also fix typo mentionned -> mentioned
2022-11-25Make Fl_XXX_Graphics_Driver::create_bitmask() a static member functionManoloFLTK
2022-11-25Fix GDI graphics driver use for bitmasksMatthias Melcher
2022-08-29Make hybrid Wayland/X11 platform.ManoloFLTK
2022-03-24Remove platform-dependent type Fl_Bitmask (not in documented public API).ManoloFLTK
2021-05-28New virtual member function Fl_Graphics_Driver::colored_rectf().ManoloFLTK
2021-03-02Windows platform: accurate drawing area of RGB images with scaled GUI.ManoloFLTK
2021-02-24Improve precision of GUI scaling for Windows platform.ManoloFLTK
2021-02-22Simplify source code of Fl_GDI_Graphics_Driver::draw_rgb(Fl_RGB_Image *,…)ManoloFLTK
2021-02-16Remove FL_CFG_SYS_WIN32 preprocessor variable from fl_draw_pixmap.cxxManoloFLTK
2021-02-13Remove compilation warnings issued by Visual Studio 2019.ManoloFLTK
2021-01-25Windows: restore "checkers" app that was damaged after handling of issue #155.ManoloFLTK
2020-11-13Fix for issue #155 - continuedManoloFLTK
This fix takes care of the Windows platform.
2020-11-12Fix for issue #155 - continuedManoloFLTK
The issue lies in details how floating point scaled coordinates are converted to integer values and its impact on the drawing of large SVG images. This commit fixes the X11 platform. The macOS platform is immune because drawing uses floating point coordinates. The Windows platform still needs fixing.
2020-07-30Fix use of an SVG image in Fl_Tiled_Image when display is rescaled.ManoloFLTK
2020-07-06Remove $Id$ tags, update URL's, and moreAlbrecht Schlosser
- remove obsolete svn '$Id$' tags from all source files - update .fl files and generated files accordingly - replace 'http://www.fltk.org' URL's with 'https://...' - replace bug report URL 'str.php' with 'bugs.php' - remove trailing whitespace - fix other whitespace errors flagged by Git - add and/or fix missing or wrong standard headers - convert tabs to spaces in all source files The only relevant code changes are in the fluid/ folder where some .fl files and other source files were used to generate the '$Id' headers and footers.
2020-01-15Fix uninitialized vars in calls to fl_clip_box() (issue #6)Albrecht Schlosser
The main fixes are only to avoid static code analyzer warnings reported in issue #5, but there are also minor bug fixes included. These bug fixes are more of theoretical concerns though. Close #6.
2018-05-09Remove a bunch of useless #include <FL/Fl_Printer.H> statements.Manolo Gouy
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12909 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2018-05-06Make member function Fl_Image_Surface::get_offscreen_before_delete() be private.Manolo Gouy
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12904 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2018-04-20Fix Fl_GDI_Graphics_Driver::cache(Fl_Pixmap *) where 2 distinct ↵Manolo Gouy
Fl_GDI_Graphics_Driver objects should be used in the right way. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12865 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2018-04-19Fix handling of bg argument of fl_draw_pixmap(char**, int , int , Fl_Color ↵Manolo Gouy
bg) during direct drawing of pixmap image data. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12859 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2018-04-19Reorganise access to the value of the GUI scaling factor with public getter ↵Manolo Gouy
and protected, virtual setter member functions. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12858 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2018-04-18Add comments: "Implementation note about how Fl_Pixmap objects get printed ↵Manolo Gouy
under Windows" git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12852 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2018-04-18Simplify the implementation of printing of Fl_Pixmap images under Windows.Manolo Gouy
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12851 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2018-04-18Fix crash in test/device after scale-GUI + Fl_Printer + Fl_Image_SurfaceManolo Gouy
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12850 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2018-04-16Remove virtual member Fl_GraphicsDriver::mask_bitmap(char **) and its ↵Manolo Gouy
re-implementations. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12843 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2018-04-13Homogenise and simplify the API of Fl_Graphics_Driver::cache(image-type *) ↵Manolo Gouy
virtual member functions. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12833 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2018-04-12Image drawing: simplify the code organisation to better support ↵Manolo Gouy
Fl_Image::scale(). Graphics drivers now use up to 6 virtual member functions to support Fl_Image drawing in the context of GUI and image rescaling : virtual void draw_pixmap(Fl_Pixmap *pxm, int XP, int YP, int WP, int HP, int cx, int cy) virtual void draw_bitmap(Fl_Bitmap *bm, int XP, int YP, int WP, int HP, int cx, int cy) virtual void draw_rgb(Fl_RGB_Image *rgb, int XP, int YP, int WP, int HP, int cx, int cy) and virtual void draw_fixed(Fl_Pixmap *pxm, int XP, int YP, int WP, int HP, int cx, int cy) virtual void draw_fixed(Fl_Bitmap *bm, int XP, int YP, int WP, int HP, int cx, int cy) virtual void draw_fixed(Fl_RGB_Image *rgb, int XP, int YP, int WP, int HP, int cx, int cy) git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12828 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2018-03-28Image classes: memorise the width and the height of the cached form of the ↵Manolo Gouy
image to support GUI scaling git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12811 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2018-03-22Rename Fl_Image::pixel_w() and pixel_h() to Fl_Image::data_w() and data_h().Manolo Gouy
The docs of class Fl_Image and of Fl_Image::scale() are beefed up. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12784 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2018-03-19New member function Fl_Image::scale(int width, int height) to set the FLTK ↵Manolo Gouy
size of an image. Each image has now two sizes implemented as follows: - the pixel size is stored in private members pixel_w_ and pixel_h_ with public accessors pixel_w() and pixel_h() - the FLTK size is stored in private members w_ and h_ and read by w() and h() - when the image is constructed, the two sizes have the same value - the protected w(int) and h(int) member functions set both FLTK and pixel sizes. - the public scale(int, int) member function is essentially nothing but set the FLTK size and don't change the pixel size. - when the image is drawn, its FLTK size determines how big it is drawn, its pixel size determines how much data are available to draw it. FLTK 1.3.4 with FL_ABI_VERSION=10304 contained an equivalent member function but only for the Fl_Shared_Image class. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12776 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2018-02-09Replace "WIN32" with "_WIN32" or "Windows".Albrecht Schlosser
Replace compiler/preprocessor/platform macro "WIN32" with "_WIN32". Replace "WIN32" in text and documentation with "Windows". Replace "MSWindows" with "Windows". To do: README.Windows.txt (and maybe other documentation as well) needs updates. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12655 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2018-01-31Replace FL/x.H with FL/platform.H - step 2 (STR #3435).Albrecht Schlosser
This second step replaces FL/x.H with FL/platform.H in all source files. Dependencies have been adjusted as well. This commit completes the replacement of FL/x.H with FL/platform.H. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12641 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2017-12-19Fix Fl_GDI_Graphics_Driver::uncache(Fl_RGB_Image*,...) that did not delete ↵Manolo Gouy
correctly the cached offscreen object. This bug was detected by a test program that rotates an SVG image. But it's not related to SVG, and concerns any Fl_RGB_Image on the WIN32 platform. It was introduced when image support was modified according to the driver model. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12600 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2017-08-25X11 and WIN32: slightly change Fl_XXX_Graphics_Driver::cache(Fl_Pixmap*) to ↵Manolo Gouy
use the Fl_Image_Surface object. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12399 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2017-05-17Introduce HiDPI + rescaling support for the X11 platform (+ partial support ↵Manolo Gouy
for WIN32) Corresponds to STR #3320 1) HiDPI support consists in detecting the adequate scaling factor for the screen on which FLTK maps a window, and scaling all FLTK units by this factor. FLTK tries to detect the correct value of this factor at startup (see more details below). Environment variable FLTK_SCALING_FACTOR can also be used to set this value. 2) Rescaling support consists in changing the scaling factor of all FLTK windows in reply to ctrl/+/-/0/ keystrokes. More details for the various platforms : - X11: Support is very advanced. Some details need still to be improved. Automatic detection of the correct starting value of the scaling factor works well with the gnome desktop. The present code contains no support for this on other desktops. FLTK_SCALING_FACTOR provides a workaround. -WIN32: Support is incomplete at this point, although many test applications have partial or complete HiDPI and scaling support. The current value of the system's scaling factor is correctly detected at application startup. Apps respond to changes of this value in real time. Support needs to define the FLTK_HIDPI_SUPPORT preprocessor variable at compile time. This way, standard builds produce a code with the default WIN32 HiDPI support, that is, where all graphics goes to an internal buffer that gets enlarged by the system and then mapped to the HiDPI display. To experiment with (or develop) the new HiDPI support requires a modified build procedure in which FLTK_HIDPI_SUPPORT is defined at compile time. When the support will be complete, the requirement for the definition of this preprocessor variable will be removed. The present commit contains support for a single scaling factor. Eventually, per-screen scaling factors should be implemented, as done for X11. - MacOS: this commit does not give new HiDPI for this platform. Eventually, window rescaling in reply to command/+/-/0/ is desirable. Per-screen scaling factor makes no sense on this platform because the OS itself takes care of the difference between the resolutions of traditional and retina displays. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12239 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2017-05-06De-duplicate code to load pointer to the TransparentBlt() system function at ↵Manolo Gouy
run-time. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12234 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2016-11-17WIN32 platform: Fix drawing of depth-4 scaled image when ↵Manolo Gouy
can_do_alpha_blending() is false. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12116 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2016-11-05Slightly improve the parameter list of member function int ↵Manolo Gouy
Fl_Graphics_Driver::start_image(...) git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@12079 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2016-11-03Rename Fl_Bitmap::start() to Fl_Bitmap::prepare().Manolo Gouy
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@12078 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2016-11-03Factorize repeated code across platform-specific graphics drivers and image ↵Manolo Gouy
types git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@12077 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2016-11-02Replace declarations such as "friend class Fl_Xlib_Graphics_Driver;" by ↵Manolo Gouy
platform-independent declarations. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@12076 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2016-10-30Replace erroneous bitwise & by logical &&Manolo Gouy
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@12063 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2016-10-30Add virtual Fl_RGB_Image* Fl_Image::as_rgb_image() to detect whether an ↵Manolo Gouy
Fl_Image is derived from Fl_RGB_Image git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@12061 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2016-10-22WIN platform: implement Fl_GDI_Graphics_Driver::draw_scaled(Fl_Image ↵Manolo Gouy
*img,int,int,int,int) when img is a Fl_RGB_Image Implementation uses StretchBlt() when img->d() is 1 or 3 and AlphaBlend() when it is 2 or 4. This should turn useful to draw images on HighDPI displays using the display's true resolution. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@12053 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
generated by cgit v1.2.3 (git 2.25.1) at 2026-02-09 00:23:26 +0000