This commit is contained in:
bkaradzic 2013-05-16 20:35:08 -07:00
parent 7cbe31b823
commit 50a92db146
2 changed files with 56 additions and 70 deletions

View file

@ -1,7 +1,7 @@
/* /*
* Copyright 2013 Jeremie Roy. All rights reserved. * Copyright 2013 Jeremie Roy. All rights reserved.
* License: http://www.opensource.org/licenses/BSD-2-Clause * License: http://www.opensource.org/licenses/BSD-2-Clause
*/ */
#include <bgfx.h> #include <bgfx.h>
#include <bx/bx.h> #include <bx/bx.h>
@ -34,17 +34,17 @@ int _main_(int /*_argc*/, char** /*_argv*/)
// Set view 0 clear state. // Set view 0 clear state.
bgfx::setViewClear(0 bgfx::setViewClear(0
, BGFX_CLEAR_COLOR_BIT | BGFX_CLEAR_DEPTH_BIT , BGFX_CLEAR_COLOR_BIT | BGFX_CLEAR_DEPTH_BIT
, 0x303030ff , 0x303030ff
, 1.0f , 1.0f
, 0 , 0
); );
//init the text rendering system // Init the text rendering system.
FontManager* fontManager = new FontManager(512); FontManager* fontManager = new FontManager(512);
TextBufferManager* textBufferManager = new TextBufferManager(fontManager); TextBufferManager* textBufferManager = new TextBufferManager(fontManager);
//load some truetype files // Load some TTF files.
const char* fontNames[7] = const char* fontNames[7] =
{ {
"font/droidsans.ttf", "font/droidsans.ttf",
@ -56,83 +56,79 @@ int _main_(int /*_argc*/, char** /*_argv*/)
"font/five_minutes.otf" "font/five_minutes.otf"
}; };
const uint32_t fontCount = sizeof(fontNames) / sizeof(const char*); const uint32_t fontCount = countof(fontNames);
TrueTypeHandle fontFiles[fontCount]; TrueTypeHandle fontFiles[fontCount];
FontHandle fonts[fontCount]; FontHandle fonts[fontCount];
for (uint32_t ii = 0; ii < fontCount; ++ii) for (uint32_t ii = 0; ii < fontCount; ++ii)
{ {
//instantiate a usable font // Instantiate a usable font.
fontFiles[ii] = fontManager->loadTrueTypeFromFile(fontNames[ii]); fontFiles[ii] = fontManager->loadTrueTypeFromFile(fontNames[ii]);
fonts[ii] = fontManager->createFontByPixelSize(fontFiles[ii], 0, 32); fonts[ii] = fontManager->createFontByPixelSize(fontFiles[ii], 0, 32);
//preload glyphs and blit them to atlas
// Preload glyphs and blit them to atlas.
fontManager->preloadGlyph(fonts[ii], L"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ. \n"); fontManager->preloadGlyph(fonts[ii], L"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ. \n");
//You can unload the truetype files at this stage, but in that case, the set of glyph's will be limited to the set of preloaded glyph
// You can unload the truetype files at this stage, but in that
// case, the set of glyph's will be limited to the set of preloaded
// glyph.
fontManager->unloadTrueType(fontFiles[ii]); fontManager->unloadTrueType(fontFiles[ii]);
} }
TrueTypeHandle console_tt = fontManager->loadTrueTypeFromFile("font/visitor1.ttf"); TrueTypeHandle console_tt = fontManager->loadTrueTypeFromFile("font/visitor1.ttf");
//this font doesn't have any preloaded glyph's but the truetype file is loaded // This font doesn't have any preloaded glyph's but the truetype file
//so glyph will be generated as needed // is loaded so glyph will be generated as needed.
FontHandle consola_16 = fontManager->createFontByPixelSize(console_tt, 0, 10); FontHandle consola_16 = fontManager->createFontByPixelSize(console_tt, 0, 10);
//create a static text buffer compatible with alpha font //create a static text buffer compatible with alpha font
//a static text buffer content cannot be modified after its first submit. //a static text buffer content cannot be modified after its first submit.
TextBufferHandle staticText = textBufferManager->createTextBuffer(FONT_TYPE_ALPHA, STATIC); TextBufferHandle staticText = textBufferManager->createTextBuffer(FONT_TYPE_ALPHA, STATIC);
//the pen position represent the top left of the box of the first line of text // The pen position represent the top left of the box of the first line
// of text.
textBufferManager->setPenPosition(staticText, 24.0f, 100.0f); textBufferManager->setPenPosition(staticText, 24.0f, 100.0f);
for (uint32_t ii = 0; ii < fontCount; ++ii) for (uint32_t ii = 0; ii < fontCount; ++ii)
{ {
//add some text to the buffer // Add some text to the buffer.
// The position of the pen is adjusted when there is an endline.
textBufferManager->appendText(staticText, fonts[ii], L"The quick brown fox jumps over the lazy dog\n"); textBufferManager->appendText(staticText, fonts[ii], L"The quick brown fox jumps over the lazy dog\n");
//the position of the pen is adjusted when there is an endline
} }
// Now write some styled text // Now write some styled text.
//setup style colors // Setup style colors.
textBufferManager->setBackgroundColor(staticText, 0x551111FF); textBufferManager->setBackgroundColor(staticText, 0x551111FF);
textBufferManager->setUnderlineColor(staticText, 0xFF2222FF); textBufferManager->setUnderlineColor(staticText, 0xFF2222FF);
textBufferManager->setOverlineColor(staticText, 0x2222FFFF); textBufferManager->setOverlineColor(staticText, 0x2222FFFF);
textBufferManager->setStrikeThroughColor(staticText, 0x22FF22FF); textBufferManager->setStrikeThroughColor(staticText, 0x22FF22FF);
//text + bkg // Background.
textBufferManager->setStyle(staticText, STYLE_BACKGROUND); textBufferManager->setStyle(staticText, STYLE_BACKGROUND);
textBufferManager->appendText(staticText, fonts[0], L"The quick "); textBufferManager->appendText(staticText, fonts[0], L"The quick ");
//text + strike-through // Strike-through.
textBufferManager->setStyle(staticText, STYLE_STRIKE_THROUGH); textBufferManager->setStyle(staticText, STYLE_STRIKE_THROUGH);
textBufferManager->appendText(staticText, fonts[0], L"brown fox "); textBufferManager->appendText(staticText, fonts[0], L"brown fox ");
//text + overline // Overline.
textBufferManager->setStyle(staticText, STYLE_OVERLINE); textBufferManager->setStyle(staticText, STYLE_OVERLINE);
textBufferManager->appendText(staticText, fonts[0], L"jumps over "); textBufferManager->appendText(staticText, fonts[0], L"jumps over ");
//text + underline // Underline.
textBufferManager->setStyle(staticText, STYLE_UNDERLINE); textBufferManager->setStyle(staticText, STYLE_UNDERLINE);
textBufferManager->appendText(staticText, fonts[0], L"the lazy "); textBufferManager->appendText(staticText, fonts[0], L"the lazy ");
//text + bkg + strike-through // Background + strike-through.
textBufferManager->setStyle(staticText, STYLE_BACKGROUND | STYLE_STRIKE_THROUGH); textBufferManager->setStyle(staticText, STYLE_BACKGROUND | STYLE_STRIKE_THROUGH);
textBufferManager->appendText(staticText, fonts[0], L"dog\n"); textBufferManager->appendText(staticText, fonts[0], L"dog\n");
//create a transient buffer for realtime data // Create a transient buffer for real-time data.
TextBufferHandle transientText = textBufferManager->createTextBuffer(FONT_TYPE_ALPHA, TRANSIENT); TextBufferHandle transientText = textBufferManager->createTextBuffer(FONT_TYPE_ALPHA, TRANSIENT);
uint32_t w = 0, h = 0;
while (!processEvents(width, height, debug, reset) ) while (!processEvents(width, height, debug, reset) )
{ {
if (w != width
|| h != height)
{
w = width;
h = height;
printf("ri: %d,%d\n", width, height);
}
// Set view 0 default viewport. // Set view 0 default viewport.
bgfx::setViewRect(0, 0, 0, width, height); bgfx::setViewRect(0, 0, 0, width, height);
@ -156,7 +152,6 @@ int _main_(int /*_argc*/, char** /*_argv*/)
//Use transient text to display debug information //Use transient text to display debug information
//Code below is similar to commented code above //Code below is similar to commented code above
wchar_t fpsText[64]; wchar_t fpsText[64];
//swprintf(fpsText,L"Frame: % 7.3f[ms]", double(frameTime)*toMs);
swprintf(fpsText, countof(fpsText), L"Frame: % 7.3f[ms]", double(frameTime) * toMs); swprintf(fpsText, countof(fpsText), L"Frame: % 7.3f[ms]", double(frameTime) * toMs);
textBufferManager->clearTextBuffer(transientText); textBufferManager->clearTextBuffer(transientText);
@ -178,10 +173,10 @@ int _main_(int /*_argc*/, char** /*_argv*/)
// Set view and projection matrix for view 0. // Set view and projection matrix for view 0.
bgfx::setViewTransform(0, view, proj); bgfx::setViewTransform(0, view, proj);
//submit the debug text // Submit the debug text.
textBufferManager->submitTextBuffer(transientText, 0); textBufferManager->submitTextBuffer(transientText, 0);
//submit the static text // Submit the static text.
textBufferManager->submitTextBuffer(staticText, 0); textBufferManager->submitTextBuffer(staticText, 0);
// Advance to next frame. Rendering thread will be kicked to // Advance to next frame. Rendering thread will be kicked to
@ -190,7 +185,8 @@ int _main_(int /*_argc*/, char** /*_argv*/)
} }
fontManager->unloadTrueType(console_tt); fontManager->unloadTrueType(console_tt);
//destroy the fonts
// Destroy the fonts.
fontManager->destroyFont(consola_16); fontManager->destroyFont(consola_16);
for (uint32_t ii = 0; ii < fontCount; ++ii) for (uint32_t ii = 0; ii < fontCount; ++ii)
{ {

View file

@ -1,7 +1,7 @@
/* /*
* Copyright 2013 Jeremie Roy. All rights reserved. * Copyright 2013 Jeremie Roy. All rights reserved.
* License: http://www.opensource.org/licenses/BSD-2-Clause * License: http://www.opensource.org/licenses/BSD-2-Clause
*/ */
#include <bgfx.h> #include <bgfx.h>
#include <bx/bx.h> #include <bx/bx.h>
@ -48,46 +48,35 @@ int _main_(int /*_argc*/, char** /*_argv*/)
// Set view 0 clear state. // Set view 0 clear state.
bgfx::setViewClear(0 bgfx::setViewClear(0
, BGFX_CLEAR_COLOR_BIT | BGFX_CLEAR_DEPTH_BIT , BGFX_CLEAR_COLOR_BIT | BGFX_CLEAR_DEPTH_BIT
//, 0x303030ff , 0x303030ff
//, 0xffffffff , 1.0f
, 0x000000FF , 0
, 1.0f );
, 0
);
//init the text rendering system // Init the text rendering system.
FontManager* fontManager = new FontManager(512); FontManager* fontManager = new FontManager(512);
TextBufferManager* textBufferManager = new TextBufferManager(fontManager); TextBufferManager* textBufferManager = new TextBufferManager(fontManager);
//load a truetype files
/*
"font/droidsans.ttf",
"font/chp-fire.ttf",
"font/bleeding_cowboys.ttf",
"font/mias_scribblings.ttf",
"font/ruritania.ttf",
"font/signika-regular.ttf",
"font/five_minutes.otf"
*/
TrueTypeHandle times_tt = fontManager->loadTrueTypeFromFile("font/bleeding_cowboys.ttf"); TrueTypeHandle times_tt = fontManager->loadTrueTypeFromFile("font/bleeding_cowboys.ttf");
//create a distance field font // Create a distance field font.
FontHandle distance_font = fontManager->createFontByPixelSize(times_tt, 0, 48, FONT_TYPE_DISTANCE); FontHandle distance_font = fontManager->createFontByPixelSize(times_tt, 0, 48, FONT_TYPE_DISTANCE);
//create a scalled down version of the same font (without adding anything to the atlas)
// Create a scalled down version of the same font (without adding
// anything to the atlas).
FontHandle smaller_font = fontManager->createScaledFontToPixelSize(distance_font, 32); FontHandle smaller_font = fontManager->createScaledFontToPixelSize(distance_font, 32);
//preload glyph and generate (generate bitmap's) // Preload glyph and generate (generate bitmap's).
fontManager->preloadGlyph(distance_font, L"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.,\" \n"); fontManager->preloadGlyph(distance_font, L"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.,\" \n");
//You can unload the truetype files at this stage, but in that case, the set of glyph's will be limited to the set of preloaded glyph // You can unload the TTF files at this stage, but in that case, the
// set of glyph's will be limited to the set of preloaded glyph.
fontManager->unloadTrueType(times_tt); fontManager->unloadTrueType(times_tt);
TextBufferHandle staticText = textBufferManager->createTextBuffer(FONT_TYPE_DISTANCE, STATIC); TextBufferHandle staticText = textBufferManager->createTextBuffer(FONT_TYPE_DISTANCE, STATIC);
textBufferManager->setTextColor(staticText, 0xDD0000FF); textBufferManager->setTextColor(staticText, 0xDD0000FF);
//textBufferManager->appendText(staticText, distance_font, L"The quick brown fox jumps over the lazy dog\n");
//textBufferManager->appendText(staticText, distance_font, L"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ\n");
textBufferManager->appendText(staticText, distance_font, L"BGFX "); textBufferManager->appendText(staticText, distance_font, L"BGFX ");
textBufferManager->appendText(staticText, smaller_font, L"bgfx"); textBufferManager->appendText(staticText, smaller_font, L"bgfx");
@ -122,7 +111,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
float proj[16]; float proj[16];
mtxLookAt(view, eye, at); mtxLookAt(view, eye, at);
float centering = 0.5f; float centering = 0.5f;
//setup a top-left ortho matrix for screen space drawing // Setup a top-left ortho matrix for screen space drawing.
mtxOrtho(proj, centering, width + centering, height + centering, centering, -1.0f, 1.0f); mtxOrtho(proj, centering, width + centering, height + centering, centering, -1.0f, 1.0f);
// Set view and projection matrix for view 0. // Set view and projection matrix for view 0.
@ -147,7 +136,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
// Set model matrix for rendering. // Set model matrix for rendering.
bgfx::setTransform(mtxA); bgfx::setTransform(mtxA);
//draw your text // Draw your text.
textBufferManager->submitTextBuffer(staticText, 0); textBufferManager->submitTextBuffer(staticText, 0);
// Advance to next frame. Rendering thread will be kicked to // Advance to next frame. Rendering thread will be kicked to
@ -155,7 +144,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
bgfx::frame(); bgfx::frame();
} }
//destroy the fonts // Destroy the fonts.
fontManager->destroyFont(distance_font); fontManager->destroyFont(distance_font);
fontManager->destroyFont(smaller_font); fontManager->destroyFont(smaller_font);
@ -163,6 +152,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
delete textBufferManager; delete textBufferManager;
delete fontManager; delete fontManager;
// Shutdown bgfx. // Shutdown bgfx.
bgfx::shutdown(); bgfx::shutdown();