347 (*env)->GetDoubleArrayRegion(env, matrix, 0, 4, dmat);
348 ptsz = euclidianDistance(dmat[2], dmat[3]); //i.e. y-size
349 if (ptsz < 1.0) {
350 //text can not be smaller than 1 point
351 ptsz = 1.0;
352 }
353 context->ptsz = (int)(ptsz * 64);
354 context->transform.xx = FloatToFTFixed((float)dmat[0]/ptsz);
355 context->transform.yx = -FloatToFTFixed((float)dmat[1]/ptsz);
356 context->transform.xy = -FloatToFTFixed((float)dmat[2]/ptsz);
357 context->transform.yy = FloatToFTFixed((float)dmat[3]/ptsz);
358 context->aaType = aa;
359 context->fmType = fm;
360
361 /* If using algorithmic styling, the base values are
362 * boldness = 1.0, italic = 0.0.
363 */
364 context->doBold = (boldness != 1.0);
365 context->doItalize = (italic != 0);
366
367 return ptr_to_jlong(context);
368 }
369
370 static int setupFTContext(JNIEnv *env,
371 jobject font2D,
372 FTScalerInfo *scalerInfo,
373 FTScalerContext *context) {
374 int errCode = 0;
375
376 scalerInfo->env = env;
377 scalerInfo->font2D = font2D;
378
379 if (context != NULL) {
380 FT_Set_Transform(scalerInfo->face, &context->transform, NULL);
381
382 errCode = FT_Set_Char_Size(scalerInfo->face, 0, context->ptsz, 72, 72);
383
384 if (errCode == 0) {
385 errCode = FT_Activate_Size(scalerInfo->face->size);
386 }
668 GlyphInfo *glyphInfo;
669 int glyph_index;
670 int renderFlags = FT_LOAD_RENDER, target;
671 FT_GlyphSlot ftglyph;
672
673 FTScalerContext* context =
674 (FTScalerContext*) jlong_to_ptr(pScalerContext);
675 FTScalerInfo *scalerInfo =
676 (FTScalerInfo*) jlong_to_ptr(pScaler);
677
678 if (isNullScalerContext(context) || scalerInfo == NULL) {
679 return ptr_to_jlong(getNullGlyphImage());
680 }
681
682 error = setupFTContext(env, font2D, scalerInfo, context);
683 if (error) {
684 invalidateJavaScaler(env, scaler, scalerInfo);
685 return ptr_to_jlong(getNullGlyphImage());
686 }
687
688 /* if algorithmic styling is required then we do not request bitmap */
689 if (context->doBold || context->doItalize) {
690 renderFlags = FT_LOAD_DEFAULT;
691 }
692
693 /* NB: in case of non identity transform
694 we might also prefer to disable transform before hinting,
695 and apply it explicitly after hinting is performed.
696 Or we can disable hinting. */
697
698 /* select appropriate hinting mode */
699 if (context->aaType == TEXT_AA_OFF) {
700 target = FT_LOAD_TARGET_MONO;
701 } else if (context->aaType == TEXT_AA_ON) {
702 target = FT_LOAD_TARGET_NORMAL;
703 } else if (context->aaType == TEXT_AA_LCD_HRGB ||
704 context->aaType == TEXT_AA_LCD_HBGR) {
705 target = FT_LOAD_TARGET_LCD;
706 } else {
707 target = FT_LOAD_TARGET_LCD_V;
708 }
709 renderFlags |= target;
710
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347 (*env)->GetDoubleArrayRegion(env, matrix, 0, 4, dmat);
348 ptsz = euclidianDistance(dmat[2], dmat[3]); //i.e. y-size
349 if (ptsz < 1.0) {
350 //text can not be smaller than 1 point
351 ptsz = 1.0;
352 }
353 context->ptsz = (int)(ptsz * 64);
354 context->transform.xx = FloatToFTFixed((float)dmat[0]/ptsz);
355 context->transform.yx = -FloatToFTFixed((float)dmat[1]/ptsz);
356 context->transform.xy = -FloatToFTFixed((float)dmat[2]/ptsz);
357 context->transform.yy = FloatToFTFixed((float)dmat[3]/ptsz);
358 context->aaType = aa;
359 context->fmType = fm;
360
361 /* If using algorithmic styling, the base values are
362 * boldness = 1.0, italic = 0.0.
363 */
364 context->doBold = (boldness != 1.0);
365 context->doItalize = (italic != 0);
366
367 /* freetype is very keen to use embedded bitmaps, even if it knows
368 * there is a rotation or you asked for antialiasing.
369 * In the rendering path we will check useSBits and disable
370 * bitmaps unless it is set. And here we set it only if none
371 * of the conditions invalidate using it.
372 * Note that we allow embedded bitmaps for the LCD case.
373 */
374 if ((aa != TEXT_AA_ON) && (fm != TEXT_FM_ON) &&
375 !context->doBold && !context->doItalize &&
376 (context->transform.yx == 0) && (context->transform.xy == 0))
377 {
378 context->useSbits = 1;
379 }
380 return ptr_to_jlong(context);
381 }
382
383 static int setupFTContext(JNIEnv *env,
384 jobject font2D,
385 FTScalerInfo *scalerInfo,
386 FTScalerContext *context) {
387 int errCode = 0;
388
389 scalerInfo->env = env;
390 scalerInfo->font2D = font2D;
391
392 if (context != NULL) {
393 FT_Set_Transform(scalerInfo->face, &context->transform, NULL);
394
395 errCode = FT_Set_Char_Size(scalerInfo->face, 0, context->ptsz, 72, 72);
396
397 if (errCode == 0) {
398 errCode = FT_Activate_Size(scalerInfo->face->size);
399 }
681 GlyphInfo *glyphInfo;
682 int glyph_index;
683 int renderFlags = FT_LOAD_RENDER, target;
684 FT_GlyphSlot ftglyph;
685
686 FTScalerContext* context =
687 (FTScalerContext*) jlong_to_ptr(pScalerContext);
688 FTScalerInfo *scalerInfo =
689 (FTScalerInfo*) jlong_to_ptr(pScaler);
690
691 if (isNullScalerContext(context) || scalerInfo == NULL) {
692 return ptr_to_jlong(getNullGlyphImage());
693 }
694
695 error = setupFTContext(env, font2D, scalerInfo, context);
696 if (error) {
697 invalidateJavaScaler(env, scaler, scalerInfo);
698 return ptr_to_jlong(getNullGlyphImage());
699 }
700
701 if (!context->useSbits) {
702 renderFlags |= FT_LOAD_NO_BITMAP;
703 }
704
705 /* NB: in case of non identity transform
706 we might also prefer to disable transform before hinting,
707 and apply it explicitly after hinting is performed.
708 Or we can disable hinting. */
709
710 /* select appropriate hinting mode */
711 if (context->aaType == TEXT_AA_OFF) {
712 target = FT_LOAD_TARGET_MONO;
713 } else if (context->aaType == TEXT_AA_ON) {
714 target = FT_LOAD_TARGET_NORMAL;
715 } else if (context->aaType == TEXT_AA_LCD_HRGB ||
716 context->aaType == TEXT_AA_LCD_HBGR) {
717 target = FT_LOAD_TARGET_LCD;
718 } else {
719 target = FT_LOAD_TARGET_LCD_V;
720 }
721 renderFlags |= target;
722
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