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0029350: Visualization, OpenGl_Text - add Aspect_TODT_SHADOW text style

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Within new style Aspect_TODT_SHADOW, a tiny shadow is drawn at right-bottom corner
with one pixel shift, producing a slightly nicer visual look than Aspect_TODT_DEKALE.
This commit is contained in:
kgv 2017-11-28 09:46:42 +03:00
parent 64c6d8df50
commit 3cbd0a8e87
4 changed files with 36 additions and 30 deletions
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17
src/Aspect/Aspect_TypeOfDisplayText.hxx
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@ -17,19 +17,14 @@
#define _Aspect_TypeOfDisplayText_HeaderFile
//! Define the display type of the text.
//!
//! TODT_NORMAL Default display. Text only.
//! TODT_SUBTITLE There is a subtitle under the text.
//! TODT_DEKALE The text is displayed with a 3D style.
//! TODT_BLEND The text is displayed in XOR.
//! TODT_DIMENSION Dimension line under text will be invisible.
enum Aspect_TypeOfDisplayText
{
Aspect_TODT_NORMAL,
Aspect_TODT_SUBTITLE,
Aspect_TODT_DEKALE,
Aspect_TODT_BLEND,
Aspect_TODT_DIMENSION
Aspect_TODT_NORMAL, //!< default display, text only
Aspect_TODT_SUBTITLE, //!< there is a subtitle under the text
Aspect_TODT_DEKALE, //!< the text is displayed with a 3D style
Aspect_TODT_BLEND, //!< the text is displayed in XOR
Aspect_TODT_DIMENSION, //!< dimension line under text will be invisible
Aspect_TODT_SHADOW //!< the text will have a shadow at the right-bottom corner
};
#endif // _Aspect_TypeOfDisplayText_HeaderFile

7
src/OpenGl/OpenGl_Text.cxx
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@ -919,6 +919,13 @@ void OpenGl_Text::render (const Handle(OpenGl_Context)& theCtx,
drawText (theCtx, theTextAspect);
break;
}
case Aspect_TODT_SHADOW:
{
theCtx->SetColor4fv (theColorSubs);
setupMatrix (theCtx, theTextAspect, OpenGl_Vec3 (+1.0f, -1.0f, 0.00001f));
drawText (theCtx, theTextAspect);
break;
}
case Aspect_TODT_DIMENSION:
case Aspect_TODT_NORMAL:
{

4
src/ViewerTest/ViewerTest_ObjectCommands.cxx
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@ -2554,6 +2554,8 @@ static int VDrawText (Draw_Interpretor& theDI,
aDisplayType = Aspect_TODT_DIMENSION;
else if (aType == "normal")
aDisplayType = Aspect_TODT_NORMAL;
else if (aType == "shadow")
aDisplayType = Aspect_TODT_SHADOW;
else
{
std::cout << "Error: wrong display type '" << aType << "'.\n";
@ -6584,7 +6586,7 @@ void ViewerTest::ObjectCommands(Draw_Interpretor& theCommands)
"\n\t\t X and Y define the coordinate origin in 2d space relative to the view window"
"\n\t\t Example: X=0 Y=0 is center, X=1 Y=1 is upper right corner etc..."
"\n\t\t Z coordinate defines the gap from border of view window (except center position)."
"\n\t\t: [-disptype {blend|decal|subtitle|dimension|normal}=normal}"
"\n\t\t: [-disptype {blend|decal|shadow|subtitle|dimension|normal}=normal}"
"\n\t\t: [-subcolor {R G B|name}=white]"
"\n\t\t: [-noupdate]"
"\n\t\t: [-plane NormX NormY NormZ DirX DirY DirZ]"

38
tests/3rdparty/fonts/A7 vendored
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@ -6,28 +6,30 @@ puts ""
vfont add [locate_data_file DejaVuSans.ttf] SansFont
vdrawtext t1 "Overlay Test Blend" -2d -perspos -1 1 -pos 100 -50 0 -height 16 -font SansFont -color 1 1 0 -disptype blend -subcolor 0 0 1
set aParams "-height 16 -font SansFont -2d -persPos -1 1 -subColor BLUE1"
vdrawtext t2 "Overlay Test Decal" -2d -perspos -1 1 -pos 100 -100 0 -height 16 -font SansFont -color 1 1 0 -disptype decal -subcolor 0 0 1
vclear
vviewparams -scale 254.5 -proj 0.89 -0.37 0.26 -up -0.21 0.16 0.96 -at 0.69 1.05 1.46
vdrawtext t3 "Overlay Test Subtitle" -2d -perspos -1 1 -pos 100 -150 0 -height 16 -font SansFont -color 1 1 0 -disptype subtitle -subcolor 0 0 1
vdrawtext td "Overlay Test Decal" {*}$aParams -pos 20 -100 0 -color WHITE -dispType decal
vdrawtext ts "Overlay Test Shadow" {*}$aParams -pos 20 -150 0 -color WHITE -dispType shadow
vdrawtext tx "Overlay Test XOR" {*}$aParams -pos 20 -200 0 -color YELLOW -dispType blend
vdrawtext tt "Overlay Test Subtitle" {*}$aParams -pos 20 -250 0 -color WHITE -dispType subtitle
vdrawtext tw "Overlay Test Normal" {*}$aParams -pos 20 -300 0 -color WHITE -dispType normal
vdrawtext tb "Overlay Test Normal" {*}$aParams -pos 20 -350 0 -color GRAY33 -dispType normal
vdrawtext t4 "Overlay Test Normal" -2d -perspos -1 1 -pos 100 -200 0 -height 16 -font SansFont -color 0 1 1 -disptype normal -subcolor 0 0 1
vdrawtext t5 " Overlay Test Normal \n Second line" -2d -perspos -1 1 -pos 100 -250 0 -height 16 -font SansFont -color 0 1 1 -disptype normal -subcolor 0 0 1
vdrawtext t6 " Overlay Test Subtitle\n Second line" -2d -perspos -1 1 -pos 100 -300 0 -height 16 -font SansFont -color 1 1 0 -disptype subtitle -subcolor 0 0 1
vdrawtext t7 " Overlay Test Decal \n Second line" -2d -perspos -1 1 -pos 100 -350 0 -height 16 -font SansFont -color 1 1 0 -disptype decal -subcolor 0 0 1
vdrawtext t8 " Overlay Test Blend \n Second line" -2d -perspos -1 1 -pos 100 -400 0 -height 16 -font SansFont -color 1 1 0 -disptype blend -subcolor 0 0 1
vdrawtext td2 " Overlay Test Decal \n Second line" {*}$aParams -pos 200 -100 0 -color WHITE -dispType decal
vdrawtext ts2 " Overlay Test Shadow \n Second line" {*}$aParams -pos 200 -150 0 -color WHITE -dispType shadow
vdrawtext tx2 " Overlay Test XOR \n Second line" {*}$aParams -pos 200 -200 0 -color YELLOW -dispType blend
vdrawtext tt2 " Overlay Test Subtitle\n Second line" {*}$aParams -pos 200 -250 0 -color WHITE -dispType subtitle
vdrawtext tw2 " Overlay Test Normal \n Second line" {*}$aParams -pos 200 -300 0 -color WHITE -dispType normal
vdrawtext tb2 " Overlay Test Normal \n Second line" {*}$aParams -pos 200 -350 0 -color GRAY33 -dispType normal
box b 1 2 3
vsetdispmode 1
vdisplay b
vfit
vfps
vdisplay -dispMode 1 b
vselprops localSelHighlight -dispMode 1 -material SILVER -color WHITE
vselmode b FACE 1
vselect 250 250
vglinfo
checkview -screenshot -3d -path ${imagedir}/${test_image}.png
vdump ${imagedir}/${casename}.png